Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  OCONNOR DEBORAH A
2. Date of Event Requiring Statement (Month/Day/Year)
03/10/2006
3. Issuer Name and Ticker or Trading Symbol
SERVICEMASTER CO [SVM]
(Last)
(First)
(Middle)
3250 LACEY ROAD, SUITE 600
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
TMX - VP/CONTROLLER
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

DOWNERS GROVE, IL 60515-1700
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common stock $.01 par value 121,137
D
 
Common stock $.01 par value 319
I
by 401(k)
Common stock $.01 par value 11,389
I
Trust for spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
1997 Option Plan (Right to Buy) 02/13/1998 02/12/2007 Common stock $.01 par value 27,000 $ 11.2222 D  
1998 Non-Qual.Stock Option (Right to Buy) 12/31/2000 12/31/2009 Common stock $.01 par value 61,989 $ 11.5 D  
1998 Non-Qual.Stock Option (Right to Buy) 01/29/2000 01/28/2009 Common stock $.01 par value 18,000 $ 18.075 D  
1998 Non-Qual.Stock Option (Right to Buy) 01/29/2000 01/28/2009 Common stock $.01 par value 18,000 $ 18.075 D  
1998 Non-Qual.Stock Option (Right to Buy) 02/16/1999 02/15/2008 Common stock $.01 par value 18,000 $ 18.2583 D  
2000 Emplee Stock Option (Right to Buy) 08/08/2001 08/07/2007 Common stock $.01 par value 48,000 $ 8.75 D  
2000 Emplee Stock Option (Right to Buy) 03/18/2004 03/17/2013 Common stock $.01 par value 26,667 $ 9.88 D  
2000 Emplee Stock Option (Right to Buy) 03/16/2002 03/15/2008 Common stock $.01 par value 75,000 $ 10.52 D  
2000 Emplee Stock Option (Right to Buy) 02/08/2003 02/07/2009 Common stock $.01 par value 40,000 $ 13.83 D  
WSH Emplee Stock Option (Right to Buy) 05/04/2001 05/03/2006 Common stock $.01 par value 541 $ 13.87 D  
2003 EIP Stock Appreciation Right 02/13/2005 02/12/2014 Common stock $.01 par value 20,000 $ 10.73 D  
2003 EIP Stock Appreciation Right 02/14/2007 02/13/2016 Common stock $.01 par value 20,000 $ 12.45 D  
2003 EIP Stock Appreciation Right 02/11/2006 02/10/2015 Common stock $.01 par value 20,000 $ 13.44 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
OCONNOR DEBORAH A
3250 LACEY ROAD, SUITE 600
DOWNERS GROVE, IL 60515-1700
      TMX - VP/CONTROLLER  

Signatures

Sandra L. Groman by Power of Attorney 03/20/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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