Exhibit 99.1


      Certification of Chief Executive Officer and Chief Financial Officer

Each of the undersigned  officers hereby  certifies that, to his knowledge,  (1)
the Quarterly Report on Form 10-Q of COMFORCE  Corporation for the quarter ended
June 30, 2002 as to which this  Certification  is an exhibit fully complies with
the  requirements  of Section 13(a) or 15(d) of the  Securities  Exchange Act of
1934 (15 U.S.C.  78m(a) or 78o(d))  and (2) the  information  contained  in such
Report fairly presents,  in all material respects,  the financial  condition and
results of operations of COMFORCE Corporation.

Signed this 13th day of August, 2002.

/s/ John C. Fanning
- ---------------------------------
John C. Fanning
Chairman of the Board and Chief Executive Officer

/s/ Harry V. Maccarrone
- ---------------------------------
Harry V. Maccarrone
Executive Vice President and Chief Financial Officer