EXHIBIT 21 SUBSIDIARIES OF OLSTEN CORPORATION ---------------------------------- JURISDICTION OF SUBSIDIARY INCORPORATION BUSINESS NAME ---------- ------------- ------------- The Accounts Team Limited England/Wales The Accountants Team Administracion, Servisios y Asesorias S.A. Chile Administracion y Servisios S.A. Chile Adyser Consultores S.A. Chile Adyser S.A. Chile Aurora Business & Personnel Services Inc. Ontario Archangel Executive Appointments Limited England/Wales Broad Pines Development Corp. Delaware Care One Health Alternatives, Inc. Alabama Olsten Health Services Care One Health Alternatives, Inc. North Carolina Olsten Health Services CCI-ASDS, Inc. Delaware Olsten Health Services Children's Home Care LLC Arizona Chronic Health Management of California California Olsten Health Services CLD Personnel Services Limited Nova Scotia Olsten Staffing Services Co-Counsel, Inc. Texas Commonwealth Home Care, Inc. Massachusetts Olsten Health Services Comprehensive Home Services, Inc. Massachusetts Olsten Health Services Data Vikar AS Norway Dirka Co. Delaware GMS, Inc. Ohio Olsten Staffing Services Harvey Consultants Limited England/Wales Health Care Services Olsten Limited Delaware IMI Systems Inc. New York InfoGen, Inc. Arizona Olsten Health Services Integrated Computer Technologies Limited England/Wales Interior Health Care Services Limited British Columbia Olsten Health Services Kimberly Home Health Care, Inc. Missouri Olsten Health Services Legal Staffing, Inc. Louisiana Lifetime Corporation (UK) Limited England/Wales Network Personnel Inc. Ontario New York HealthCare Services, Inc. New York Olsten Health Services Norsk Personal AS Norway Norsk Personal Benanning AS Norway Norsk Personal Rekruttering AS Norway Norsk Personal Undervisning AS Norway Norsk Prosjekt Konsult AS Norway Norsk Verdiskring AS Norway Office Angels Limited England/Wales Office Angels (Properties) Limited England/Wales Office Angels (Recruitment) Limited England/Wales Office Legals Limited England/Wales OFFiS Unternehemen fur Zeitarbeit GmbH & Co. KG Germany OLS Holdings, Inc. New York Olsten Certified HealthCare Corp. Delaware Olsten Health Services Olsten Chile S.A. Chile Olsten Dataset Oy Finland Olsten de Argentina S.A. Argentina Olsten de Mexico, S.A. de C.V. Mexico Olsten de Puerto Rico, Inc. Puerto Rico Olsten Flying Nurses Corp. Delaware Olsten Integrated Management Services, Inc. Delaware Olsten International B.V. Netherlands EXHIBIT 21 SUBSIDIARIES OF OLSTEN CORPORATION ---------------------------------- JURISDICTION OF SUBSIDIARY INCORPORATION BUSINESS NAME ---------- ------------- ------------- Olsten Kimberly QualityCare Foundation, Inc. Florida Olsten Kimberly QualityCare, Inc. Delaware Olsten Health Services Olsten Latin America, Inc. Delaware Olsten Norway AS Norway Olsten of Georgia, Inc. Georgia Olsten Staffing Services Olsten of Westchester, Inc. New York Covertemp Olsten Personale AS Denmark Olsten Personalkraft AB Sweden Olsten Ready Office S.A. Argentina Olsten Service Corp. Delaware Olsten Services Limited Ontario Olsten Services of New York, Inc. New York Olsten Health Services Olsten Services S.A. Argentina Olsten Staffing Services IV, Inc. Delaware Olsten Staffing Services V, Inc. Delaware Olsten Staffing Services VI, Inc. Delaware Olsten Staffing Services VII, Inc. Delaware Olsten Staff, S.A. de C.V. Mexico Olsten (UK) Holdings Limited England/Whales Olsten UK Limited England/Wales OptimalCare, Inc. Delaware Olsten Health Services Outside Counsel, Inc. D.C. Partnersfirst Management, Inc. Florida Olsten Health Services Personal Eventual de Occidente, S.A. de C.V. Mexico Projobs, S.A. de C.V. Mexico Prospective Health Network, Inc. Delaware Olsten Health Services QC Medi - New York, Inc. New York Olsten Health Services QHR Southwest Business Trust Pennsylvania Olsten Health Services QHR Southwest Holdings Corp. California Olsten Health Services Quality Care - USA., Inc. New York Olsten Health Services Quality Managed Care, Inc. Delaware Olsten Health Services Quantum Care Network, Inc. Massachusetts Olsten Health Services Quantum Disease Management, Inc. Indiana Olsten Health Services Quantum Health Resources California Olsten Health Services Quantum Health Resources, Inc. Delaware Olsten Health Services Quantum Health Resources Inc. (New York) New York Olsten Health Services Quantum Health Resources of Canada, Inc. Canada Quantum Health Resources Southwest, L.P. Texas Olsten Health Services Quantum Information Management Corp. Delaware Olsten Health Services Quantum Services Corp. Delaware Olsten Health Services Resource Corporation Louisiana Olsten Health Services Skilled Nursing Services, Inc. Michigan Olsten Health Services SPTW, Inc. Nevada Olsten Health Services Stafco, Inc. Louisiana Olsten Staffing Services Systems Partners, Inc. California The IV Clinic, Inc. Texas Olsten Health Services The IV Clinic II, Inc. Texas Olsten Health Services The IV Clinic III, Inc. Texas Olsten Health Services Top Level, S.A. de C.V. Mexico Vikar Konsulent AS Norway Vistech, Inc. Virginia York Health Services, Inc. Ontario Olsten Health Services