SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(D) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


       Date of Report (Date of earliest event reported): October 10, 2003


                              QUANTA SERVICES, INC.
             (Exact name of registrant as specified in its charter)


                                    Delaware
                 (State or other jurisdiction of incorporation)


       1-13831                                            74-2851603
(Commission File No.)                          (IRS Employer Identification No.)



                       1360 Post Oak Boulevard, Suite 2100
                              Houston, Texas 77056
          (Address of principal executive offices, including ZIP code)



                                 (713) 629-7600
              (Registrant's telephone number, including area code)

                                 Not Applicable
          (Former name or former address, if changed since last report)







ITEM 5.  OTHER EVENTS.

         On October 10, 2003, Quanta issued a press release announcing, among
other matters, the pricing of an offering of convertible subordinated
debentures. A copy of the press release is attached hereto as Exhibit 99.1.


ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS.

(c) Exhibits.

         The following exhibits are filed as part of this Current Report on
Form 8-K:

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

         99.1               Press Release of Quanta Services Inc. dated October
                            10, 2003


                                    SIGNATURE

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.


Dated: October 10, 2003

                                     QUANTA SERVICES, INC.


                                     By: /s/ DANA A. GORDON
                                         ---------------------------------------
                                         Name:  Dana A. Gordon
                                         Title: Vice President - General Counsel





                                  EXHIBIT INDEX


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

99.1               Press Release of Quanta Services Inc. dated October 10, 2003