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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 10-QSB

             (X) QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934
                For the quarterly period ended September 30, 2004

                                       OR

              ( ) TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934
                    For the transition period from ________ to ________

Commission File Number 1-31398

                        NATURAL GAS SERVICES GROUP, INC.
        (Exact name of small business issuer as specified in its charter)

        Colorado                                                 75-2811855
(State or other jurisdiction of                              (I.R.S. Employer
 incorporation or organization)                              Identification No.)

                                  2911 SCR 1260
                              Midland, Texas 79706
                    (Address of principal executive offices)

                                 (432) 563-3974
                (Issuer's Telephone number, including area code)

                                       N/A
     ----------------------------------------------------------------------
              (Former name, former address and former fiscal year,
                          if changed since last report)


Check  whether the issuer (1) filed all reports  required to be filed by Section
13 or 15(d) of the  Exchange  Act during the past 12 months (or for such shorter
period that the registrant was required to file such reports),  and (2) has been
subject to such filing requirements for the past 90 days.

                              Yes X  No     
                                 ---   ----

                      APPLICABLE ONLY TO CORPORATE ISSUERS

State the number of shares outstanding of each of the issuer's classes of common
equity, as of the latest practicable date.

                                                             Outstanding at
          Class                                             October 22, 2004
----------------------------                                ----------------

Common Stock, $.01 par value                                    6,068,269

Transitional Small Business Disclosure Format (Check one):  Yes    No X    
                                                               ---   ---    





                        NATURAL GAS SERVICES GROUP, INC.


Part I - FINANCIAL INFORMATION
------------------------------

Item 1.  Financial Statements

Unaudited Consolidated Balance Sheet......................................Page 1


Unaudited Consolidated Income Statements..................................Page 2


Unaudited Consolidated Statements of Cash Flows...........................Page 3


Notes to Unaudited Consolidated Financial Statements......................Page 4


Item 2.  Management's Discussion and Analysis or Plan of Operation........Page 7
-------  

Item 3.  Control and Procedures..........................................Page 11
-------

Part II - OTHER INFORMATION

Item 1.  Legal Proceedings...............................................Page 12
-------

Item 6.  Exhibits........................................................Page 13
-------

Signatures...............................................................Page 16





                        Natural Gas Services Group, Inc.
                           Consolidated Balance Sheet
                                   (unaudited)
                               September 30, 2004

                                     ASSETS
Current Assets:
   Cash and cash equivalents                                         $ 4,408,170
   Accounts receivable - trade                                         1,187,402
   Inventory                                                           3,179,066
   Prepaid expenses                                                      178,694
                                                                     -----------
              Total current assets                                     8,953,332

Lease equipment, net                                                  25,818,667
Other property, plant and equipment, net                               3,140,203
Goodwill, net                                                          2,589,655
Patents, net                                                              93,328
Other assets                                                              95,501
                                                                     -----------
         Total assets                                                $40,690,686
                                                                     ===========

                      LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities:
   Current portion of long term debt and capital lease               $ 3,145,056
    Line of Credit                                                       521,461
   Accounts payable and accrued liabilities                            1,647,514
   Unearned Income                                                       118,284
                                                                     -----------
         Total current liabilities                                     5,432,315

Long term debt and capital lease, less current portion                 9,079,435
Subordinated notes, net                                                1,433,060
Deferred income tax payable                                            2,612,013
                                                                     -----------
         Total liabilities                                            18,556,823
                              SHAREHOLDERS' EQUITY
Common stock                                                              60,683
Paid in capital                                                       16,249,850
Retained earnings                                                      5,823,331
                                                                     -----------
         Total shareholders' equity                                   22,133,864
                                                                     -----------
         Total liabilities and shareholders' equity                  $40,690,686
                                                                     ===========




The accompanying notes are an integral part of the consolidated balance sheet



                                                                               1




                        Natural Gas Services Group, Inc.
                         Consolidated Income Statements
                                   (unaudited)

                                              Three months ended September 30,    Nine months ended September 30,
                                                                                                         
                                                    2004              2003              2004              2003
                                              --------------    --------------    --------------    --------------
                                                                                                   
Revenue:                                                                                               
   Sales                                      $      702,679    $    1,372,248    $    2,444,899    $    2,877,358
   Service and maintenance income                    436,584           452,714         1,370,306         1,346,597
   Leasing income                                  2,730,851         1,874,594         7,405,324         5,040,161
                                              --------------    --------------    --------------    --------------
                                                   3,870,113         3,699,556        11,220,529         9,264,116
Cost of revenue:                                                                                       
   Cost of sales                                     451,334         1,008,771         1,699,003         2,155,568
   Cost of service and maintenance                   338,312           290,008         1,030,167           961,237
   Cost of leasing                                   843,725           545,309         2,174,185         1,313,093
                                              --------------    --------------    --------------    --------------
                                                   1,633,371         1,844,088         4,903,355         4,429,898
                                              --------------    --------------    --------------    --------------
Gross Margin                                       2,236,742         1,855,468         6,317,174         4,834,218
                                                                                                       
 Operating Cost:                                                                                       
   Selling expense                                   226,935           159,870           629,545           484,421
   General and administrative expense                425,299           395,918         1,368,524         1,186,922
   Depreciation and amortization                     641,817           455,563         1,750,851         1,235,118
                                              --------------    --------------    --------------    --------------
                                                   1,294,050         1,011,351         3,748,919         2,906,461
                                              --------------    --------------    --------------    --------------
Operating income                                     942,692           844,117         2,568,255         1,927,757
                                                                                                       
   Interest expense                                 (205,532)         (170,971)         (580,083)         (500,760)
   Other income                                        2,306             1,253         1,496,329             2,040
                                              --------------    --------------    --------------    --------------
Income before income taxes                           739,466           674,399         3,484,501         1,429,037
   Provision for income tax                          288,391           289,992           773,932           611,595
                                              --------------    --------------    --------------    --------------
Net income                                           451,074           384,407         2,710,568           817,442
   Preferred dividends                                     0            30,530            53,277            92,550
                                              --------------    --------------    --------------    --------------
Net income available to common shareholders   $      451,074    $      353,877    $    2,657,291    $      724,892
                                              ==============    ==============    ==============    ==============
                                                                                                       
                                                                                                       
         Earnings per share:                                                                           
         Basic                                         $0.08             $0.07             $0.49             $0.15
         Diluted                                       $0.07             $0.07             $0.43             $0.14
         Weighted average Shares:                                                                      
         Basic                                     5,626,280         4,995,713         5,428,146         4,910,062
         Diluted                                   6,492,354         5,389,673         6,216,995         5,208,096

                                                                             

                                                                               
The  accompanying  notes  are  an  integral  part  of  the  consolidated  income
statements.

                                                                               2




                        Natural Gas Services Group, Inc.
                      Consolidated Statements of Cash Flows
                                   (unaudited)
                                                                                Nine Months      Nine Months
                                                                                   Ended            Ended
                                                                               September 30,    September 30,
                                                                                   2004             2003
                                                                               -------------    -------------
                                                                                                    
CASH FLOWS FROM OPERATING ACTIVITIES:                                                              
   Net Income                                                                  $   2,710,568    $     817,442
      Adjustments to reconcile net income to net cash provided by (used in)                        
     operating activities:                                                                         
      Depreciation and amortization                                                1,750,851        1,235,120
      Deferred taxes                                                                 769,507          602,202
      Amortization of debt issuance costs                                             48,717           48,717
      Gain on disposal of assets                                                       6,911           10,547
      Changes in operating assets and liabilities:                                                 
      Trade and other receivables                                                   (370,807)        (938,817)
      Inventory                                                                     (624,827)      (1,000,735)
      Prepaid expenses and other                                                     (71,663)          42,958
      Accounts payable and accrued liabilities                                       575,362          708,971
      Deferred income                                                                (88,932)         174,710
      Other                                                                          (16,745)         (60,436)
                                                                               -------------    -------------
  NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES                              4,688,942        1,640,679
                                                                               -------------    -------------
                                                                                                   
CASH FLOWS FROM INVESTING ACTIVITIES:                                                              
    Purchase of property and equipment                                              (786,941)        (713,245)
    Purchase of rental equipment                                                  (8,150,073)      (5,187,208)
    Acquisition of remaining interest in joint venture, net of cash acquired            --            242,753
    Proceeds from sale of property and equipment                                      50,123          112,500
    Decrease in lease receivable                                                        --            210,512
    Distribution from equity method investment                                          --             49,090
                                                                               -------------    -------------
  NET CASH USED IN INVESTING ACTIVITIES                                           (8,886,891)      (5,285,598)
                                                                               -------------    -------------
                                                                                                   
CASH FLOWS FROM FINANCING ACTIVITIES:                                                              
   Net proceeds from bank loans                                                    5,031,435        2,649,811
   Net proceeds from line of credit                                                  521,461             --
   Repayments of long term debt                                                   (1,821,111)      (1,583,951)
   Repayments of line of credit                                                     (300,000)            --
   Proceeds from sale of common stock, exercised warrants and stock options        5,051,409          216,247
   Dividends paid on preferred stock                                                 (53,277)         (92,550)
                                                                               -------------    -------------
NET CASH PROVIDED BY FINANCING ACTIVITIES                                          8,429,917        1,189,557
                                                                               -------------    -------------
NET CHANGE IN CASH AND CASH EQUIVALENTS                                            4,231,968       (2,455,362)
CASH AT BEGINNING OF PERIOD                                                          176,202        2,713,638
                                                                               -------------    -------------
CASH AT END OF PERIOD                                                          $   4,408,170    $     258,276
                                                                               =============    =============
                                                                                                   
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:                                                  
      Interest paid                                                            $     580,083    $     500,760



--------------------------------------------------------------------------------
The accompanying  notes are an integral part of the  consolidated  statements of
cash flows.


                                                                               3




                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(1) Basis of Presentation

         The   accompanying   unaudited   financial   statements   present   the
consolidated  results of our company  taken from our books and  records.  In our
opinion,  such information  includes all adjustments,  consisting of only normal
recurring  adjustments,  which are necessary to make our  financial  position at
September 30, 2004 and the results of our  operations  for the nine month period
ended September 30, 2004 and 2003 not misleading.  As permitted by the rules and
regulations  of the Securities and Exchange  Commission  (SEC) the  accompanying
financial  statements  do not  include  all  disclosures  normally  required  by
accounting principles generally accepted in the United States of America.  These
financial statements should be read in conjunction with the financial statements
included  in our Annual  Report on Form 10-KSB for the year ended  December  31,
2003 on file with the SEC. In our opinion, the consolidated financial statements
are a fair  presentation  of the financial  position,  results of operations and
cash flows for the periods presented.

         The results of operations for the nine month period ended September 30,
2004 are not necessarily  indicative of the results of operations to be expected
for the full fiscal year ending December 31, 2004.

(2) Stock-based Compensation

         Statement   of   Financial   Accounting   Standards   No.   123  ("SFAS
123"),"Accounting  for  Stock-Based  Compensation,"  encourages,  but  does  not
require,  the adoption of a fair  value-based  method of accounting for employee
stock-based compensation  transactions.  We have elected to apply the provisions
of Accounting  Principles  Board Opinion No. 25 ("Opinion 25"),  "Accounting for
Stock Issued to Employees," and related  interpretations,  in accounting for our
employee stock-based  compensation plans. Under Opinion 25, compensation cost is
measured as the excess,  if any, of the quoted  market price of our stock at the
date of the grant above the amount an employee must pay to acquire the stock.

         Had  compensation  costs for  options  granted  to our  employees  been
determined based on the fair value at the grant dates consistent with the method
prescribed  by SFAS No. 123,  our net income and  earnings  per share would have
been reduced to the pro forma amounts listed below:

                                                        Three Months Ended              Nine Months Ended
                                                           September 30                    September 30
                                                        2004           2003             2004           2003
                                                    -----------    -----------    -------------    -----------
                                                                                               
Pro forma impact of fair value method
Income applicable to common shares, as reported     $   451,074    $   353,877    $   2,657,291        724,892
Pro-forma stock-based compensation costs under
  the fair value method, net of related tax             (10,000)        (7,683)         (30,000)       (23,048)
                                                    -----------    -----------    -------------    -----------
Pro-forma income applicable to common shares
  under the fair-value method                       $   441,074    $   346,194    $   2,627,291    $   701,844
Earnings per common share
Basic earnings per share reported                         $0.08          $0.07            $0.49          $0.15
Diluted earnings per share reported                       $0.07          $0.07            $0.43          $0.14
                                                                                                         
Pro-forma basic earnings per share under the fair                                                        
 value method                                             $0.08          $0.07            $0.48          $0.14
Pro-forma diluted earnings per share under the                                                           
 fair value method                                        $0.07          $0.06            $0.42          $0.13

                                                                         



                                                                               4


Weighted average Black-Scholes fair value
   assumptions:
 Risk free rate                                       4.0%-5.2% 
 Expected life                                        5-10 yrs
 Expected volatility                                    50.0%
 Expected dividend yield                                 0.0%

(3) Merger

         On January 1, 2004, we merged our subsidiaries, Rotary Gas Systems Inc,
NGE Leasing Inc, and Great Lakes  Compression  Inc.  with their parent  Company,
Natural Gas Services Group Inc. This had no effect on our consolidated financial
position or results of  operations,  with the exception of a small impact on our
state tax expenses.

(4)  Preferred Stock Conversion

         In accordance with the provisions of the Convertible Series A Preferred
Stock of Natural  Gas  Services  Group,  Inc.,  on March 26,  2004 each share of
Preferred  Stock  automatically  converted  to one  share of Common  Stock.  The
conversion  occurred after the closing market price of the stock was equal to or
higher than $6.50 for 20 consecutive trading days. 315,154 Preferred shares were
converted  at  that  time.   Dividends  payable  at  the  conversion  date  were
approximately $25,355.

(5)   Common Stock Private Placement

         On July  20,  2004,  Natural  Gas  Services  Group,  Inc.  and  CBarney
Investments,  Ltd.  entered into a  Securities  Purchase  Agreement.  Under this
agreement,  Natural Gas Services  Group  issued and sold  649,574  shares of its
common  stock to  CBarney  at  $7.69736  per  share.  The per  share  price  was
determined by multiplying  (x) $8.747,  the average  closing market price of the
common stock on the American Stock Exchange for the twenty  consecutive  trading
days ended July 15, 2004, times (y) eighty-eight  percent.  Natural Gas Services
Group  received  aggregate  gross  proceeds of  $5,000,000  and net  proceeds of
$4,950,000.  We plan to use  $2,950,000  of the net  proceeds we  received  from
CBarney  to reduce our  existing  bank debt,  and to use the  remainder  of such
proceeds to obtain one or more letters of credit in the aggregate face amount of
$2,000,000  that  will  secure  the  promissory  notes  to  be  issued  by us in
correction with the Screw Compression  Systems,  Inc.  transaction  described in
note (8) below.












                                                                               5




(6) Earnings per common share

         The following table reconciles the numerators and denominators of the
basic and diluted earnings per share computation.

                                                       Three Months Ended            Nine Months Ended
                                                          September 30,                September 30,
                                                       2004          2003           2004           2003
                                                   -----------   -----------    -----------    -----------
                                                                                           
Basic earnings per share Numerator:
     Net income                                    $   451,074   $   384,407    $ 2,710,568        817,442
     Less: dividends on preferred shares                  --         (30,530)       (53,277)       (92,550)
     Net income available to common shareholders   $   451,074   $   353,877    $ 2,657,291    $   724,892

   Denominator -
     Weighted average common shares outstanding      5,626,280     4,995,713      5,428,146      4,910,062

        Basic earnings per share                   $      0.08   $      0.07    $      0.49    $      0.15

Diluted earnings per share Numerator:
     Net income                                    $   451,074   $   384,407    $ 2,710,568    $   817,442

     Less: dividends on preferred shares (1)              --         (30,530)       (53,277)       (92,550)
     Net income available to common shareholders   $   451,074   $   353,877    $ 2,657,291    $   724,892

   Denominator :
     Weighted average common shares outstanding      5,626,280     4,995,713      5,428,146      4,910,062
     Dilutive effect of common stock options
      and warrants                                     866,074       393,960        788,849        298,034

                                                     6,492,354     5,389,673      6,216,995      5,208,096

        Diluted earnings per share                 $      0.07   $      0.07    $      0.43    $      0.14


--------------------------------------------------------------------------------
(1)  Preferred  shares were  anti-dilutive  for the three and nine months  ended
September 30, 2004 and 2003


(7) Other Income

         On March 15, 2004 the President and C.E.O. of our company, Mr. Wayne L.
Vinson,  passed  away  after a  battle  with  cancer.  The  Company  held 2 life
insurance policies on him, 1 for $1,000,000 and 1 for $500,000, with the Company
as the beneficiary. The proceeds of $1,500,000 were recorded as other income.

(8)  Agreement to Purchase SCS.

         On October 18, 2004,  Natural Gas Services Group,  Inc.  entered into a
Stock Purchase Agreement with Screw Compression Systems, Inc., or "SCS", and the
stockholders of SCS. Under this agreement,  Natural Gas Services Group agreed to
purchase all of the outstanding shares of capital stock of SCS.
        
         SCS is a privately owned manufacturer of natural gas compressors,  with
its principal offices located in Tulsa, Oklahoma.



                                                                               6


         The stockholders of SCS will receive, in proportionate shares (based on
their stock ownership of SCS), a total of $15 million, consisting of:

         o        $8 million in cash;
         o        promissory  notes  issued  by  Natural  Gas  Services  in  the
                  aggregate  principal  amount of $3 million bearing interest at
                  the rate of four  percent  (4.00%) per annum,  maturing  three
                  years  from the date of  closing  and  secured  by a letter of
                  credit in the face amount of $2 million; and
         o        609,576 shares of Natural Gas Services  common stock valued at
                  $4 million,  based on the average of the daily closing  prices
                  of the common  stock for the ninety  consecutive  trading days
                  ended April 28, 2004. All of the shares,  upon issuance,  will
                  be  "restricted"  securities  within  the  meaning of Rule 144
                  under the Securities Act of 1933, as amended,  and will bear a
                  legend to that effect.

















                                                                               7


Item 2.  Management's Discussion and Analysis, or Plan of Operation

Overview

         Our company provides  products and services to the oil and gas industry
and is engaged in (1) the manufacture,  service, sale, and rental of natural gas
compressors  to  enhance  the  productivity  of oil and gas  wells,  and (2) the
manufacture,  sale and rental of flares and flare ignition systems for plant and
production facilities.

Critical Accounting Policies and New Accounting Pronouncements

         See our  December  31,  2003  Form  10-KSB  on file  with the SEC for a
discussion   of  our   critical   accounting   policies   and   new   accounting
pronouncements. There have been no substantive changes since that time.

Liquidity and Capital Resources

         We have funded our operations  through public and private  offerings of
our common and preferred stock,  subordinated debt and bank debt.  Proceeds were
primarily  used to pay debt  and to fund  the  manufacture  and  fabrication  of
additional units for our rental fleet of natural gas compressors.

         At  September   30,  2004,  we  had  cash  and  cash   equivalents   of
approximately  $4,408,000,  working  capital of $3,521,000 and  non-subordinated
debt of $12,225,000 of which approximately $3,145,000 was classified as current.
We had  positive  net cash  flow  from  operating  activities  of  approximately
$4,689,000  during the first nine months of 2004.  This was  primarily  from net
income of $2,711,000  plus  depreciation  and  amortization  of  $1,751,000,  an
increase  in deferred  taxes of  $770,000,  an increase in accounts  payable and
accrued   liabilities   of   $575,000,   offset  by  an   increase  in  accounts
receivable-trade of $371,000,  a decrease in deferred income of $17,000,  and an
increase in inventory of $625,000.

         On November  24, 2003 we  completed  a new $10  million  senior  credit
facility with a $7 million  initial  borrowing  base.  The credit  facility is a
Multiple  Advance  Term  Promissory  Note  arranged  by Western  National  Bank,
Midland,  Texas.  The interest  rate is one percent over Wall Street prime rate.
Funds  have  been  drawn  under  this line as of  September  30,  2004  totaling
$5,715,000.   Substantially  all  of  our  equipment,   inventory  and  accounts
receivables have been pledged as collateral for our bank loans.

         Our line of credit for $750,000  with interest at 1% over prime for one
year  expired  March 15, 2004 but was renewed on May 28,  2004.  Funds have been
drawn under the line of credit as of September 30, 2004 totaling $521,461.

         In accordance with the provisions of the Convertible Series A Preferred
Stock of Natural  Gas  Services  Group,  Inc.,  on March 26,  2004 each share of
Preferred  Stock  automatically  converted  to one  share of Common  Stock.  The
conversion  occurred after the closing market price of the stock was equal to or
higher than $6.50 for 20 consecutive trading days. 315,154 Preferred shares were
converted at that time.  As a result the  conversion we will have a reduction in
expected  dividend  payments of  approximately  $68,000 for the remainder of the
year 2004.

         On July  20,  2004,  Natural  Gas  Services  Group,  Inc.  and  CBarney
Investments,  Ltd.  entered into a  Securities  Purchase  Agreement.  Under this
agreement, Natural Gas Services Group agreed to issue and sell 649,574 shares of
its common  stock to  CBarney at  $7.69736  per share.  The per share  price was
determined by multiplying  (x) $8.747,  the average  closing market price of the
common stock on the American Stock Exchange for the twenty  consecutive  trading
days ended July 15, 2004, times (y) eighty-eight  percent.  Natural Gas Services
Group received net proceeds of $4,950,000.  We plan to use $2,950,000 of the net
proceeds we received from CBarney to reduce our existing  bank debt,  and to use
the  remainder  of such  proceeds to obtain one or more letters of credit in the
aggregate face amount of $2,000,000 that will service the promissory notes to be
issued by us in correction with the Screw Compression Systems,  Inc. transaction
described in following paragraph.



                                                                               8


         On October 18, 2004,  Natural Gas Services Group,  Inc.  entered into a
Stock Purchase Agreement with Screw Compression Systems, Inc., or "SCS", and the
stockholders of SCS. Under this agreement,  Natural Gas Services Group agreed to
purchase all of the outstanding shares of capital stock of SCS.
         SCS is a privately owned manufacturer of natural gas compressors,  with
its principal offices located in Tulsa, Oklahoma.
         The stockholders of SCS will receive, in proportionate shares (based on
their stock ownership of SCS), a total of $15 million, consisting of:
         o        $8 million in cash;
         o        promissory  notes  issued  by  Natural  Gas  Services  in  the
                  aggregate principal amount of $3 million,  bearing interest at
                  the rate of four  percent  (4.00%) per annum,  maturing  three
                  years  from the date of  closing  and  secured  by a letter of
                  credit in the face amount of $2 million; and
         o        609,576 shares of Natural Gas Services  common stock valued at
                  $4 million,  based on the average of the daily closing  prices
                  of the common  stock for the ninety  consecutive  trading days
                  ended April 28, 2004. All of the shares,  upon issuance,  will
                  be  "restricted"  securities  within  the  meaning of Rule 144
                  under the Securities Act of 1933, as amended,  and will bear a
                  legend to that effect.

Results of Operations

Nine  Months  Ended  September  30,  2004,  Compared  to the Nine  Months  Ended
September 30, 2003.

         Total revenue  increased from  $9,264,000 to $11,221,000 or 21% for the
nine months ended September 30, 2004 compared to the same period ended September
30,  2003.  This was mainly the result of increased  leasing income. 

         Sales  revenue  from  outside  sources  decreased  from  $2,877,000  to
$2,445,000,  or 15% for the nine months ended September 30, 2004 compared to the
same period ended September 30, 2003. Sales from outside sources  included:  (1)
Compressor  unit sales,  (2) Flare  sales,  (3) Parts  sales and (4)  Compressor
rebuilds.  This  decrease  was mainly the result of a  reduction  in the sale of
compressor units to outside third parties in the nine months ended September 30,
2004 compared to the same period in 2003. Because our products are custom-built,
fluctuations  in revenue from  outside  sources is not unusual and our focus has
been more on building a rental base than on the sale of equipment.

         Service  and   maintenance   revenue   increased  from   $1,347,000  to
$1,370,000,  or 2% for the nine months ended  September 30, 2004 compared to the
same period ended September 30, 2003.

         Leasing revenue increased from $5,040,000 to $7,405,000, or 47% for the
nine months ended September 30, 2004 compared to the same period ended September
30, 2003.  This increase was the result of additional  units added to our rental
fleet and  leased to third  parties.  The  company  ended  the  period  with 533
compressor  packages in its rental fleet, up from 399 units at December 31, 2003
and 354 units at September 30, 2003.




                                                                               9


        ----------------------------------------------------------------
        Total Revenue Breakdown for Nine Months Ended September 30, 2004
        ----------------------------------------------------------------
        ----------------------------------------------------------------
        Sales Revenue                                         22%
        ----------------------------------------------------------------
        Service & Maintenance Revenue                         12%
        ----------------------------------------------------------------
        Leasing Revenue                                       66%
        ----------------------------------------------------------------

         The gross  margin  percentage  increased  from 52% for the nine  months
ended  September 30, 2003, to 56% for the same period ended  September 30, 2004.
This improvement  resulted mainly from the relative  increase in leasing revenue
as a percentage  of the total  revenue.  Our rental fleet carries a gross margin
averaging 70%, and an increase in rentals improves our total gross margin.

         Selling,  general and administrative  expense increased from $1,671,000
to $1,998,000  or 20% for the nine months ended  September 30, 2004, as compared
to the same period ended  September 30, 2003.  This was mainly the result of the
increase in commissions from additional  leasing contracts on gas compressors to
third  parties,   an  increase  in  legal   expenses   related  to  an  internal
investigation concerning an employee matter that was settled in April 2004.

         Depreciation and amortization expense increased 42 % from $1,235,000 to
$1,751,000  for the nine months ended  September 30, 2004,  compared to the same
period ended  September  30, 2003.  This  increase was the result of 179 new gas
compressor  rental units being added to rental equipment from September 30, 2003
to September 30, 2004.

         Other income and expense  increased  approximately  $1,494,000  for the
nine  months  ended  September  30,  2004,  compared  to the same  period  ended
September 30, 2003.  This increase was due mainly from the receipt of $1,500,000
in life insurance  payable in connection  with the death of Mr. Wayne L. Vinson,
our former  President and C.E.O. His death on March 15, 2004 left the company as
the beneficiary of two life insurance policies, one for $1,000,000,  and one for
$500,000.

         Interest expense  increased 16% for the nine months ended September 30,
2004  compared to the same period ended  September  30, 2003,  mainly due to the
increased loan balances on vehicles and rental equipment.

         Provision  for income tax increased  $162,000 or 26%,  primarily due to
the increase in net taxable income.  The income from the life insurance proceeds
described above is not subject to federal income tax.


Three  Months  Ended  September  30,  2004,  Compared to the Three  Months Ended
September 30, 2003.

         Total  revenue  increased  from  $3,700,000 to $3,870,000 or 5% for the
three  months  ended  September  30,  2004  compared  to the same  period  ended
September 30, 2003.  This was mainly the result of increased  leasing income and
offset by a decrease in outside sales as outlined below.

         Sales  revenue  from  outside  sources  decreased  from  $1,372,000  to
$703,000,  or 49% for the three months ended  September 30, 2004 compared to the
same period ended  September 30, 2003.  This decrease was mainly the result of a
reduction in the sales of compressor  units and parts.  Because our products are
custom-built,  fluctuations  in compressor  unit revenue from outside sources is
not  unusual.  The  reduction  in parts  sales is the  result of a change in our
discount status with a major supplier in northern Michigan. We expect this to be
a temporary  situation.  Also our  customer  base has  dictated the trend toward
leasing since most would rather rent than buy.  Also our current plant  capacity
is used to fill our existing customer needs for rental equipment.



                                                                              10


         Service and maintenance revenue decreased from $452,000 to $437,000, or
4% for the three months  ended  September  30, 2004  compared to the same period
ended  September  30, 2003.  This revenue  source is subject to seasonal  change
since over 90% of this activity is generated in northern Michigan and is subject
to swings in weather conditions.

         Leasing revenue increased from $1,875,000 to $2,731,000, or 47% for the
three  months  ended  September  30,  2004  compared  to the same  period  ended
September 30, 2003.  This  increase was the result of additional  units added to
our rental  unit fleet and leased to third  parties.  The  company  added 45 gas
compressors to its rental fleet in the quarter ended September 30, 2004.

        -----------------------------------------------------------------
        Total Revenue Breakdown for Three Months Ended September 30, 2004
        -----------------------------------------------------------------
        -----------------------------------------------------------------
        Sales Revenue                                         18%
        -----------------------------------------------------------------
        Service & Maintenance Revenue                         11%
        -----------------------------------------------------------------
        Leasing Revenue                                       71%
        -----------------------------------------------------------------


         The gross  margin  percentage  increased  from 50% for the three months
ended  September  30, 2003 to 58% for the same period ended  September 30, 2004.
Although  we expect our  margins to  increase  as our rental  revenue  increases
because our rental fleet carries a gross margin  averaging  70%,  changes in the
product mix during the  quarter  help to average  out the gross  margin  company
wide.

         Selling,  general and administrative expense increased from $556,000 to
$652,000 or 17% for the three months ended  September  30, 2004,  as compared to
the same period  ended  September  30,  2003.  This was mainly the result of the
increase in commissions from additional  leasing contracts on gas compressors to
third parties and an increase in sales and administration salary expense.

         Depreciation  and amortization  expense  increased 41% from $456,000 to
$642,000  for the three months ended  September  30, 2004,  compared to the same
period  ended  September  30, 2003.  This  increase was the result of 45 new gas
compressor  rental units being added to rental equipment during the three months
ended September 30, 2004.

         There was a 20% increase in interest expense for the three months ended
September 30, 2004 compared to the same period ended  September 30, 2003,  which
was mainly due to the increase in loan balances for rental equipment.

         Provision for income tax decreased  $2,000, or 1%, primarily due from a
change in our  effective tax rate.  The effective tax rate changed  because of a
reduction  in our  state  taxes  as a  result  the  merger  of our  subsidiaries
effective January 1, 2004.


Forward Looking Statements

         Some   statements   contained  in  this  Report,   and  the   documents
incorporated by reference,  are "forward-looking  statements" within the meaning
of Section 27A of the Securities Act of 1933 (or Securities Act) and Section 21E
of the Exchange Act. These statements include,  without  limitation,  statements
relating  to oil and gas  prices,  demand  for oil and  gas,  budgets,  business
strategies  and other plans,  intentions  and  objectives of our  management for
future  operations and activities and other such matters.  The words  "believe",
"budget", "plan", "estimate", "expect", "intend", "strategy", "project", "will",
"could", "may",



                                                                              11


"anticipate",  "continue",  and  similar  expressions  identify  forward-looking
statements.  We believe the  assumptions  and  expectations  reflected  in these
forward-looking statements are reasonable. However, we cannot give any assurance
that our  expectations  will prove to be correct or that we will be able to take
any actions that are presently  planned.  Actual results could differ materially
from those expressed in the forward-looking statements. Factors that could cause
such a difference include:

         o        fluctuations in prices of oil and gas;
         o        future capital requirements and availability of financing;
         o        competition;
         o        general economic conditions;
         o        governmental regulations;
         o        receipt of amounts owed to us by our customers;
         o        events similar to 9/11; and
         o        fluctuations in interest rates and availability of capital.

         You  are  cautioned  not  to  place  undue   reliance  on  any  of  our
forward-looking  statements,  which speak only as of the date of the document or
in the case of documents incorporated by reference, the date of those documents.

Item 3. Controls and Procedures

(a) Evaluation of disclosure controls and procedures.

         Under the  supervision  and with the  participation  of our management,
including our chief executive officer and chief financial officer,  we evaluated
the  effectiveness  of the design and operation of our  disclosure  controls and
procedures  (as defined in Rule 13a-15(e)  under the Securities  Exchange Act of
1934) as of the end of the  period  covered  by this  report.  Based  upon  that
evaluation,  our chief executive  officer and chief financial  officer concluded
that,  as of the end of the  period  covered  by  this  report,  our  disclosure
controls and  procedures  are effective in timely  alerting them to the material
information  relating to us that are  required  to be  included in our  periodic
filings with the SEC.

(b) Changes in internal controls.

         There were no changes made in our internal  controls  during the period
covered by this report that have materially affected or are reasonably likely to
materially affect our internal controls over financial  reporting.  In addition,
to  our  knowledge   there  were  no  changes,   in  other  factors  that  could
significantly affect these controls subsequent to the date of their evaluation.

                           PART II - OTHER INFORMATION



NATURAL GAS SERVICES GROUP, INC.

Item 1.  Legal Proceedings

         From  time to  time,  we are a party  to  ordinary  routine  litigation
incidental  to our  business.  We are  not  currently  a  party  to any  pending
litigation, and we are not aware of any threatened litigation.


                                                                              12


Item 6.  Exhibits

         The following exhibits are filed herewith or incorporated by reference,
as indicated:

Exhibit No.                                Description
-----------                                -----------

   2.1            Purchase and Sale Agreement by and between Hy-Bon  Engineering
                  Company, Inc. and NGE Leasing, Inc. (Incorporated by reference
                  to Exhibit 2.1 of the Registrant's  Current Report on Form 8-K
                  dated  February  28,  2003 and filed with the  Securities  and
                  Exchange Commission on March 6, 2003)

  *3.1            Articles of Incorporation, as amended

   3.2            Bylaws  (Incorporated  by  reference  to  Exhibit  3.4  of the
                  Registrant's   Registration   Statement  on  Form  SB-2,   No.
                  333-88314)

   4.1            Form of warrant  certificate  (Incorporated  by  reference  to
                  Exhibit 4.1 of the Registrant's Registration Statement on Form
                  SB-2, No. 333-88314)

   4.2            Form of warrant agent agreement  (Incorporated by reference to
                  Exhibit 4.2 of the Registrant's Registration Statement on Form
                  SB-2, No. 333-88314)

   4.3            Form  of  lock-up  agreement  (Incorporated  by  reference  to
                  Exhibit 4.3 of the Registrant's Registration Statement on Form
                  SB-2, No. 333-88314)

   4.4            Form of  representative's  option for the  purchase  of common
                  stock  (Incorporated  by  reference  to  Exhibit  4.4  of  the
                  Registrant's   Registration   Statement  on  Form  SB-2,   No.
                  333-88314)

   4.5            Form of  representative's  option for the purchase of warrants
                  (Incorporated  by reference to Exhibit 4.5 of the Registrant's
                  Registration Statement on Form SB-2, No. 333-88314)

   10.1           1998 Stock Option Plan  (Incorporated  by reference to Exhibit
                  10.1 of the Registrant's  Registration Statement on Form SB-2,
                  No. 333-88314)

   10.2           Asset Purchase  Agreement,  dated January 1, 2001, between the
                  Registrant and Great Lakes Compression,  Inc. (Incorporated by
                  reference  to Exhibit  10.2 of the  Registrant's  Registration
                  Statement on Form SB-2, No. 333-88314)



                                                                              13


Exhibit No.                                Description
-----------                                -----------

   10.3           Exhibits  3(c)(1),  3(c)(2),   3(c)(3),   3(c)(4),   13(d)(1),
                  13(d)(2)  and  13(d)(3)  to Asset  Purchase  Agreement,  dated
                  January  1,  2001,  between  the  Registrant  and Great  Lakes
                  Compression,  Inc. (Incorporated by reference to Exhibit 10.14
                  of the Registrant's  Registration  Statement on Form SB-2, No.
                  333-88314)

   10.4           Amendment to Guaranty  Agreement  between Natural Gas Services
                  Group, Inc. and Dominion Michigan  Production  Services,  Inc.
                  (Incorporated by reference to Exhibit 10.3 of the Registrant's
                  Registration Statement on Form SB-2, No. 333-88314)

   10.5           Form of Series A 10% Subordinated  Notes due December 31, 2006
                  (Incorporated by reference to Exhibit 10.8 of the Registrant's
                  Registration Statement on Form SB-2, No. 333-88314)

   10.6           Form  of   Five-Year   Warrants  to  Purchase   Common   Stock
                  (Incorporated by reference to Exhibit 10.9 of the Registrant's
                  Registration Statement on Form SB-2, No. 333-88314)

   10.7           Warrants issued to Berry-Shino Securities,  Inc. (Incorporated
                  by reference to Exhibit 10.10 of the Registrant's Registration
                  Statement on Form SB-2, No. 333-88314)

   10.8           Warrants   issued   to   Neidiger,    Tucker,   Bruner,   Inc.
                  (Incorporated   by   reference   to   Exhibit   10.11  of  the
                  Registrant's   Registration   Statement  on  Form  SB-2,   No.
                  333-88314)

   10.9           Form of  warrant  issued in March 2001 for  guaranteeing  debt
                  (Incorporated   by   reference   to   Exhibit   10.12  of  the
                  Registrant's   Registration   Statement  on  Form  SB-2,   No.
                  333-88314)

   10.10          Form of  warrant  issued in April 2002 for  guaranteeing  debt
                  (Incorporated   by   reference   to   Exhibit   10.13  of  the
                  Registrant's   Registration   Statement  on  Form  SB-2,   No.
                  333-88314)

   10.11          Articles of Organization of Hy-Bon Rotary Compression, L.L.C.,
                  dated April 17, 2000  (Incorporated  by  reference  to Exhibit
                  10.18 of the Registrant's Registration Statement on Form SB-2,
                  No. 333-88314)




                                                                              14


Exhibit No.                                Description
-----------                                -----------

   10.12          Regulations of Hy-Bon Rotary Compression, L.L.C. (Incorporated
                  by reference to Exhibit 10.19 of the Registrant's Registration
                  Statement on Form SB-2, No. 333-88314)

   10.13          First  Amended  and  Restated  Loan   Agreement   between  the
                  Registrant  and  Western   National  Bank   (Incorporated   by
                  reference to Exhibit 10.1 of the  Registrant's  Current Report
                  on  Form  8-K,  dated  March  27,  2003  and  filed  with  the
                  Securities and Exchange Commission on April 14, 2003)

   10.14          Form of Termination of Employment Agreement Letter relating to
                  the  Employment  Agreement  of  Alan  Kurus  (Incorporated  by
                  reference to Exhibit 10.25 of the  Registrant's  Annual Report
                  on Form 10-KSB for the fiscal year ended December 31, 2002)

   10.15          Form of Termination of Employment Agreement Letter relating to
                  the  Employment  Agreement  of Wayne Vinson  (Incorporated  by
                  reference to Exhibit 10.26 of the  Registrant's  Annual Report
                  on Form 10-KSB for the fiscal year ended December 31, 2002)

   10.16          Form of Termination of Employment Agreement Letter relating to
                  the  Employment   Agreement  of  Earl  Wait  (Incorporated  by
                  reference to Exhibit 10.27 of the  Registrant's  Annual Report
                  on Form 10-KSB for the fiscal year ended December 31, 2002)

   10.17          Triple Net Lease  Agreement,  dated June 1, 2003,  between NGE
                  Leasing, Inc. and Steven J. & Katherina L. Winer (Incorporated
                  by  reference  to  Exhibit  10.17 of the  Registrant's  Annual
                  Report on Form 10-KSB for the fiscal year ended  December  31,
                  2003) 

   10.18          Lease  Agreement,  dated June 19,  2003,  between NGE Leasing,
                  Inc. and Wise Commercial Properties (Incorporated by reference
                  to Exhibit  10.18 of the  Registrant's  Annual  Report on Form
                  10-KSB for the fiscal year ended December 31, 2003)

   10.19          Lease Agreement,  dated March 1, 2004,  between the Registrant
                  and the City of Midland,  Texas  (Incorporated by reference to
                  Exhibit 10.19 of the  Registrant's  Form 10-QSB for the fiscal
                  quarter ended June 30, 2004)

   10.20          Second Amended and Restated Loan Agreement,  dated November 3,
                  2003,   between  the  Registrant  and  Western  National  Bank
                  (Incorporated   by   reference   to   Exhibit   10.20  of  the
                  Registrant's Form 10-QSB for the fiscal quarter ended June 30,
                  2004)

   10.21          Securities  Purchase  Agreement,  dated July 20, 2004, between
                  the Registrant and CBarney Investments,  Ltd. (Incorporated by
                  reference to Exhibit 4.1 of the Registrant's Current Report on
                  Form 8-K dated July 20, 2004 and filed with the Securities and
                  Exchange Commission on July 27, 2004)



                                       15


Exhibit No.                                Description
-----------                                -----------

   10.22          Stock Purchase Agreement, dated October 18, 2004, by and among
                  the  Registrant,  Screw  Compression  Systems,  Inc.,  Paul D.
                  Hensley,  Jim  Hazlett  and  Tony  Vohjesus  (Incorporated  by
                  reference to Exhibit 4.1 of the Registrant's Current Report on
                  Form 8-K dated October 18, 2004 and filed with the  Securities
                  and Exchange Commission on October 21, 2004)

   *31.1          Certification  of Chief Executive  Officer required by Section
                  302 of the Sarbanes-Oxley Act of 2002

   *31.2          Certification  of Chief Financial  Officer required by Section
                  302 of the Sarbanes-Oxley Act of 2002

   *32.1          Certification  required by Section  906 of the  Sarbanes-Oxley
                  Act of 2002

   *32.2          Certification  required by Section  906 of the  Sarbanes-Oxley
                  Act of 2002

--------------------------                           

* Filed herewith.










                                                                              16


                                   SIGNATURES

         In accordance with the requirements of the Exchange Act, the registrant
caused this report to be signed on its behalf by the undersigned, thereunto duly
authorized.


NATURAL GAS SERVICES GROUP, INC.


By:   /s/ Wallace Sparkman
      -----------------------------
      Wallace Sparkman
      President and Chief Executive
      Officer

By:   /s/ Earl R. Wait
      -----------------------------
      Earl R. Wait
      Chief Financial Officer
      And Treasurer

November 9, 2004












                                                                              17



                               INDEX TO EXHIBITS:

Exhibit No.                                Description
-----------                                -----------

   2.1            Purchase and Sale Agreement by and between Hy-Bon  Engineering
                  Company, Inc. and NGE Leasing, Inc. (Incorporated by reference
                  to Exhibit 2.1 of the Registrant's  Current Report on Form 8-K
                  dated  February  28,  2003 and filed with the  Securities  and
                  Exchange Commission on March 6, 2003)

  *3.1            Articles of Incorporation, as amended

   3.2            Bylaws  (Incorporated  by  reference  to  Exhibit  3.4  of the
                  Registrant's   Registration   Statement  on  Form  SB-2,   No.
                  333-88314)

   4.1            Form of warrant  certificate  (Incorporated  by  reference  to
                  Exhibit 4.1 of the Registrant's Registration Statement on Form
                  SB-2, No. 333-88314)

   4.2            Form of warrant agent agreement  (Incorporated by reference to
                  Exhibit 4.2 of the Registrant's Registration Statement on Form
                  SB-2, No. 333-88314)

   4.3            Form  of  lock-up  agreement  (Incorporated  by  reference  to
                  Exhibit 4.3 of the Registrant's Registration Statement on Form
                  SB-2, No. 333-88314)

   4.4            Form of  representative's  option for the  purchase  of common
                  stock  (Incorporated  by  reference  to  Exhibit  4.4  of  the
                  Registrant's   Registration   Statement  on  Form  SB-2,   No.
                  333-88314)

   4.5            Form of  representative's  option for the purchase of warrants
                  (Incorporated  by reference to Exhibit 4.5 of the Registrant's
                  Registration Statement on Form SB-2, No. 333-88314)

   10.1           1998 Stock Option Plan  (Incorporated  by reference to Exhibit
                  10.1 of the Registrant's  Registration Statement on Form SB-2,
                  No. 333-88314)

   10.2           Asset Purchase  Agreement,  dated January 1, 2001, between the
                  Registrant and Great Lakes Compression,  Inc. (Incorporated by
                  reference  to Exhibit  10.2 of the  Registrant's  Registration
                  Statement on Form SB-2, No. 333-88314)

   10.3           Exhibits  3(c)(1),  3(c)(2),   3(c)(3),   3(c)(4),   13(d)(1),
                  13(d)(2)  and  13(d)(3)  to Asset  Purchase  Agreement,  dated
                  January  1,  2001,  between  the  Registrant  and Great  Lakes
                  Compression,  Inc. (Incorporated by reference to Exhibit 10.14
                  of the Registrant's  Registration  Statement on Form SB-2, No.
                  333-88314)




                                                                              18


Exhibit No.                                Description
-----------                                -----------

   10.4           Amendment to Guaranty  Agreement  between Natural Gas Services
                  Group, Inc. and Dominion Michigan  Production  Services,  Inc.
                  (Incorporated by reference to Exhibit 10.3 of the Registrant's
                  Registration Statement on Form SB-2, No. 333-88314)

   10.5           Form of Series A 10% Subordinated  Notes due December 31, 2006
                  (Incorporated by reference to Exhibit 10.8 of the Registrant's
                  Registration Statement on Form SB-2, No. 333-88314)

   10.6           Form  of   Five-Year   Warrants  to  Purchase   Common   Stock
                  (Incorporated by reference to Exhibit 10.9 of the Registrant's
                  Registration Statement on Form SB-2, No. 333-88314)

   10.7           Warrants issued to Berry-Shino Securities,  Inc. (Incorporated
                  by reference to Exhibit 10.10 of the Registrant's Registration
                  Statement on Form SB-2, No. 333-88314)

   10.8           Warrants   issued   to   Neidiger,    Tucker,   Bruner,   Inc.
                  (Incorporated   by   reference   to   Exhibit   10.11  of  the
                  Registrant's   Registration   Statement  on  Form  SB-2,   No.
                  333-88314)

   10.9           Form of  warrant  issued in March 2001 for  guaranteeing  debt
                  (Incorporated   by   reference   to   Exhibit   10.12  of  the
                  Registrant's   Registration   Statement  on  Form  SB-2,   No.
                  333-88314)

   10.10          Form of  warrant  issued in April 2002 for  guaranteeing  debt
                  (Incorporated   by   reference   to   Exhibit   10.13  of  the
                  Registrant's   Registration   Statement  on  Form  SB-2,   No.
                  333-88314)

   10.11          Articles of Organization of Hy-Bon Rotary Compression, L.L.C.,
                  dated April 17, 2000  (Incorporated  by  reference  to Exhibit
                  10.18 of the Registrant's Registration Statement on Form SB-2,
                  No. 333-88314)

   10.12          Regulations of Hy-Bon Rotary Compression, L.L.C. (Incorporated
                  by reference to Exhibit 10.19 of the Registrant's Registration
                  Statement on Form SB-2, No. 333-88314)

   10.13          First  Amended  and  Restated  Loan   Agreement   between  the
                  Registrant  and  Western   National  Bank   (Incorporated   by
                  reference to Exhibit 10.1 of the  Registrant's  Current Report
                  on  Form  8-K,  dated  March  27,  2003  and  filed  with  the
                  Securities and Exchange Commission on April 14, 2003)




                                                                              19


Exhibit No.                                Description
-----------                                -----------

   10.14          Form of Termination of Employment Agreement Letter relating to
                  the  Employment  Agreement  of  Alan  Kurus  (Incorporated  by
                  reference to Exhibit 10.25 of the  Registrant's  Annual Report
                  on Form 10-KSB for the fiscal year ended December 31, 2002)

   10.15          Form of Termination of Employment Agreement Letter relating to
                  the  Employment  Agreement  of Wayne Vinson  (Incorporated  by
                  reference to Exhibit 10.26 of the  Registrant's  Annual Report
                  on Form 10-KSB for the fiscal year ended December 31, 2002)

   10.16          Form of Termination of Employment Agreement Letter relating to
                  the  Employment   Agreement  of  Earl  Wait  (Incorporated  by
                  reference to Exhibit 10.27 of the  Registrant's  Annual Report
                  on Form 10-KSB for the fiscal year ended December 31, 2002)

   10.17          Triple Net Lease  Agreement,  dated June 1, 2003,  between NGE
                  Leasing, Inc. and Steven J. & Katherina L. Winer (Incorporated
                  by  reference  to  Exhibit  10.17 of the  Registrant's  Annual
                  Report on Form 10-KSB for the fiscal year ended  December  31,
                  2003) 

   10.18          Lease  Agreement,  dated June 19,  2003,  between NGE Leasing,
                  Inc. and Wise Commercial Properties (Incorporated by reference
                  to Exhibit  10.18 of the  Registrant's  Annual  Report on Form
                  10-KSB for the fiscal year ended December 31, 2003)

   10.19          Lease Agreement,  dated March 1, 2004,  between the Registrant
                  and the City of Midland,  Texas  (Incorporated by reference to
                  Exhibit 10.19 of the  Registrant's  Form 10-QSB for the fiscal
                  quarter ended June 30, 2004)

   10.20          Second Amended and Restated Loan Agreement,  dated November 3,
                  2003,   between  the  Registrant  and  Western  National  Bank
                  (Incorporated   by   reference   to   Exhibit   10.20  of  the
                  Registrant's Form 10-QSB for the fiscal quarter ended June 30,
                  2004)

   10.21          Securities  Purchase  Agreement,  dated July 20, 2004, between
                  the Registrant and CBarney Investments,  Ltd. (Incorporated by
                  reference to Exhibit 4.1 of the Registrant's Current Report on
                  Form 8-K dated July 20, 2004 and filed with the Securities and
                  Exchange Commission on July 27, 2004)




                                                                              20


Exhibit No.                                Description
-----------                                -----------

   10.22          Stock Purchase Agreement, dated October 18, 2004, by and among
                  the  Registrant,  Screw  Compression  Systems,  Inc.,  Paul D.
                  Hensley,  Jim  Hazlett  and  Tony  Vohjesus  (Incorporated  by
                  reference to Exhibit 4.1 of the Registrant's Current Report on
                  Form 8-K dated October 18, 2004 and filed with the  Securities
                  and Exchange Commission on October 21, 2004)

   *31.1          Certification  of Chief Executive  Officer required by Section
                  302 of the Sarbanes-Oxley Act of 2002

   *31.2          Certification  of Chief Financial  Officer required by Section
                  302 of the Sarbanes-Oxley Act of 2002

   *32.1          Certification  required by Section  906 of the  Sarbanes-Oxley
                  Act of 2002

   *32.2          Certification  required by Section  906 of the  Sarbanes-Oxley
                  Act of 2002

--------------------------                           

* Filed herewith.









                                                                              21