Exhibit 32.2



  CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 1350 OF CHAPTER
                    63 OF TITLE 18 OF THE UNITED STATES CODE


I,  Ernest  J.  Mrozek,  the  President  and  Chief  Financial  Officer  of  The
ServiceMaster  Company,  certify that (i) the Quarterly  Report on Form 10-Q for
the quarter ended March 31, 2004,  fully complies with  requirements  of Section
13(a) or 15(d) of the Securities  Exchange Act of 1934 and (ii) the  information
contained  in such Form 10-Q fairly  presents,  in all  material  respects,  the
financial condition and results of operations of The ServiceMaster Company.




                                 /S/ ERNEST J. MROZEK
                                 -----------------------------
                                 Ernest J. Mrozek
                                 President and Chief Financial Officer
                                 May 10, 2004


A signed  original of this  written  statement  required by Section 906 has been
provided to The ServiceMaster  Company and will be retained by The ServiceMaster
Company and  furnished to the  Securities  and Exchange  Commission or its staff
upon request.







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