EXHIBIT 21 - SUBSIDIARIES OF REGISTRANT SUBSIDIARY NAME JURISDICTION OF INCORPORATION Accounting Principals, Ltd. Pennsylvania Actium Corporation Delaware AD, L.L.C.I Delaware Additional Technical Support of Massachusetts, Inc. Massachusetts Amicus Staffing, Inc. Tennessee AMPL Incorporated California (d/b/a Parker & Lynch) Avalon Systems Development Limited United Kingdom Badenoch & Clark Limited United Kingdom BC, L.L.C.I Delaware Berger IT Co. Delaware (d/b/a Modis Solutions) Brenda Pejovich & Associates, Inc. Texas Career Horizons, Inc. Delaware Consulting Partners, Inc. Texas Cope Management Limited United Kingdom Diversified Search, Inc. Pennsylvania Entegee, Inc. Massachusetts (d/b/a Cadstar International, Ltd., and National Software Associates) Health Force, Inc. New York Health Force Operating Corp. New York Hunterskil Howard PLC United Kingdom IT Link, Ltd. United Kingdom Keystone Consulting Group, Inc. Georgia Lion Recruitment Limited United Kingdom LIT, Inc. New York Manchester, Inc. Pennsylvania (d/b/a CareerInteractive) Medi-Force, Inc. New York Modis, Inc. Florida (d/b/a Actium, Alta Technical Services, Berrett Techalliance Corporation, Business Systems, Computer Consultants Group, Computer Consulting Group, Computer Professionals, Inc. Consultants in Computer Software, Contact Recruiters, Custom Software Services, Datacorp, EMI, Florida Modis, Inc., GW Consulting, HUM Consulting, MGI Services, Mini-Systems, NACS, North American Consulting Services, North American Consulting Services, Inc., Openware Technologies, Inc., Ovation Technologies, Preferred Consulting Services, Perspective Technology Corporation, Realtime Consulting, Resource Solutions Group, Staffware, Technical Software, Technical Software Solutions, The Blackstone Group, TSG Professional Services, Wasser, Why Systems and Zeitech) Modis Factoring Corporation Florida Modis of Georgia, LP Georgia Modis/Computer Action, Inc. Florida Modis GP, Inc. Florida Modis Licensing Corporation Florida Modis LP-2, Inc. Florida Modis of Georgia, Inc. Florida Modis of Pennsylvania, Inc. Florida Modis of Pennsylvania, Ltd. Pennsylvania (d/b/a Actium) Modis Operations, Inc. Florida Modis Professional Services, Inc. Florida (d/b/a Alternative Temps and Modis) Modis (UK) Limited United Kingdom Resource Control and Management Limited United Kingdom Scientific Staffing, Inc. Pennsylvania Software Knowledge Limited United Kingdom Software Knowledge Systems Limited United Kingdom Special Counsel, Inc. Maryland (d/b/a LSP and Legal Support Personnel) System Pros of Massachusetts, Inc. Massachusetts T&H Receivable Holding, Inc. Florida