4 EXHIBIT 21 SUBSIDIARIES OF THE COMPANY The following is a list of subsidiaries of the Company as of December 31, 1998, omitting some subsidiaries which, considered in the aggregate, would not constitute a significant subsidiary. NAME WHERE INCORPORATED - ---- ------------------ A S Ruffel (Mozambique) Limitada................................................Mozambique A S Ruffel (Private) Ltd........................................................Zimbabwe A/O Pfizer......................................................................Russia AMS Medical Systems AG..........................................................Switzerland Adforce Inc.....................................................................New York Anaderm Research Corp...........................................................Delaware Bioindustria Farmaceutici S.p.A.................................................Italy Biomedical Sensors (Holdings) Limited...........................................United Kingdom Blue Cross S.r.l................................................................Italy C.P. Pharmaceuticals International C.V..........................................Netherlands Charwell Pharmaceuticals Limited................................................United Kingdom Community Care Health Solutions Inc.............................................Delaware Compania Distribuidora Del Centro, S.A. de C.V..................................Mexico Duchem Laboratories Limited.....................................................India Farkemo S.r.l...................................................................Italy Farminova, Produtos Farmaceuticos de Inovacao, Lda..............................Portugal HII Holding, LLC................................................................Delaware Harmag, Inc.....................................................................Panama Health Care Ventures, Inc.......................................................Delaware Healthcare Market Research......................................................New York Heinrich Mack Nachf G.m.b.H. & Co...............................................Germany Howmedica France S.C.A..........................................................France Howmedica Handelsgesellschaft G.m.b.H...........................................Austria Invicta Farma, S.A..............................................................Spain Irkafarm S.r.l..................................................................Italy Laboratoire Beral, S.A..........................................................France Laboratoires Pfizer S.A.........................................................Morocco Laboratorios Pfizer Lda.........................................................Portugal Laboratorios Pfizer Ltda........................................................Brazil Laboratorios Pfizer de Venezuela, S.A...........................................Venezuela Leema Chemicals & Cosmetics Pvt. Ltd............................................India MED Urological, Inc.............................................................Minnesota MTG Divestitures Limited........................................................United Kingdom MTG Divestitures Inc............................................................Delaware MTG Divestitures Pty. Ltd.......................................................Australia Measureaim......................................................................United Kingdom Nefox Farma, S.A................................................................Spain NAME WHERE INCORPORATED - ---- ------------------ Nostrum Farma, S.A..............................................................Spain Orsim, S.A......................................................................France PFIZER, S.A., S. en C...........................................................Spain PQI Inc.........................................................................Canada PT. Pfizer Indonesia............................................................Indonesia Pfizer (Ireland) Limited........................................................Ireland Pfizer (Malaysia) Sendirian Berhad..............................................Malaysia Pfizer (Namibia) (Proprietary) Limited..........................................Namibia Pfizer A.B......................................................................Sweden Pfizer A.G......................................................................Switzerland Pfizer A/S......................................................................Denmark Pfizer A/S......................................................................Norway Pfizer Agricare Pty. Ltd........................................................Australia Pfizer Algerie Sante et Nutrition Animale s.p.a.................................Algeria Pfizer Animal Health B.V........................................................Netherlands Pfizer Animal Health Korea Ltd..................................................South Korea Pfizer Animal Health S.A........................................................Belgium Pfizer B.V......................................................................Netherlands Pfizer Beteiligungs G.m.b.H.....................................................Germany Pfizer Bioquimicos S.A..........................................................Venezuela Pfizer C.A......................................................................Ecuador Pfizer Canada Inc...............................................................Canada Pfizer Chemical Corp. Ltd.......................................................Isle of Man Pfizer Commercial Holdings Limited..............................................Isle of Man Pfizer Continental Holdings.....................................................Ireland Pfizer Corporation..............................................................Panama Pfizer Corporation Austria G.m.b.H..............................................Austria Pfizer Egypt S.A.E..............................................................Egypt Pfizer Enterprises Inc..........................................................Delaware Pfizer European Service Center N.V..............................................Belgium Pfizer G.m.b.H..................................................................Germany Pfizer Global Holdings B.V......................................................Netherlands Pfizer Group Limited............................................................United Kingdom Pfizer H.C.P. Corporation.......................................................New York Pfizer Health Solutions Inc.....................................................Delaware Pfizer Hellas, A.E..............................................................Greece Pfizer Holdings France..........................................................France Pfizer Holding Mexico, S. de R.L. de C.V........................................Mexico Pfizer Holding und Verwaltungs G.m.b.H..........................................Germany Pfizer Holdings B.V.............................................................Netherlands Pfizer Holdings Europe..........................................................Ireland Pfizer Holdings Ireland.........................................................Ireland Pfizer Ilaclari A.S.............................................................Turkey Pfizer International Bank Europe................................................Ireland Pfizer International Corporation................................................Panama Pfizer International Holdings Limited...........................................Ireland Pfizer International Inc........................................................New York Pfizer Italiana S.p.A...........................................................Italy Pfizer Laboratories (Proprietary) Limited.......................................South Africa Pfizer Laboratories Korea Limited...............................................South Korea 2 NAME WHERE INCORPORATED - ---- ------------------ Pfizer Laboratories Limited.....................................................Kenya Pfizer Laboratories Limited.....................................................New Zealand Pfizer Laboratories Limited.....................................................Pakistan Pfizer Limitada.................................................................Angola Pfizer Limited..................................................................Ghana Pfizer Limited..................................................................India Pfizer Limited Korea............................................................South Korea Pfizer Limited..................................................................Tanzania Pfizer Limited..................................................................Thailand Pfizer Limited..................................................................Uganda Pfizer Limited..................................................................United Kingdom Pfizer Ltd......................................................................Taiwan Pfizer Manufacturing Ireland....................................................Ireland Pfizer Manufacturing LLC........................................................Delaware Pfizer Med-Inform Beratungs G.m.b.H.............................................Austria Pfizer Medical Systems, Inc.....................................................Delaware Pfizer Medical Technology Group (Belgium) N.V...................................Belgium Pfizer Medical Technology Group (Netherlands) BV................................Netherlands Pfizer Medical Technology Group Aktiebolag......................................Sweden Pfizer Medical Technology Group Limited.........................................United Kingdom Pfizer Medical Technology Group Pension Trustees Limited........................United Kingdom Pfizer Netherlands L.P..........................................................New York Pfizer Overseas, Inc............................................................Delaware Pfizer Oy.......................................................................Finland Pfizer Pension Trustees (Ireland) Limited.......................................Ireland Pfizer Pension Trustees Ltd.....................................................United Kingdom Pfizer Pharm Algerie SPA........................................................Algeria Pfizer Pharmaceutical Trading Limited Liability Company.........................Hungary Pfizer Pharmaceuticals B.V......................................................Netherlands Pfizer Pharmaceuticals Inc. [a/k/a Pfizer Seiyaku Kabushiki Kaisha (PSK)]..............................Japan Pfizer Pharmaceuticals Korea Limited............................................South Korea Pfizer Pharmaceuticals Ltd......................................................People's Republic of China Pfizer Pharmaceuticals Production Corporation...................................Panama Pfizer Pharmaceuticals Production Corporation (Partnership).....................Ireland Pfizer Pharmaceuticals Production Corporation Limited...........................Isle of Man Pfizer Pharmaceuticals, Inc.....................................................Delaware Pfizer Pharmaceutics Israel Ltd.................................................Israel Pfizer Pigments Inc.............................................................Delaware Pfizer Polska Sp. z.o.o.........................................................Poland Pfizer Private Limited..........................................................Singapore Pfizer Production LLC...........................................................Delaware Pfizer Products Inc.............................................................Connecticut Pfizer Pty. Ltd.................................................................Australia Pfizer Research and Development Company N.V./S.A................................Belgium Pfizer Ringaskiddy Production Company...........................................Isle of Man Pfizer S.A......................................................................Peru Pfizer S.A......................................................................Belgium Pfizer S.A......................................................................Colombia Pfizer S.A......................................................................Costa Rica Pfizer S.A......................................................................France 3 NAME WHERE INCORPORATED - ---- ------------------ Pfizer S.A......................................................................Venezuela Pfizer S.G.P.S. Lda.............................................................Portugal Pfizer S.R.L....................................................................Argentina Pfizer Saidal Manufacturing.....................................................Algeria Pfizer Service Company Ireland..................................................Ireland Pfizer Servicios de Mexico, S.A. de C.V.........................................Mexico Pfizer Shoji Co., Ltd...........................................................Japan Pfizer Specialties Limited......................................................Nigeria Pfizer Technologies Ltd.........................................................United Kingdom Pfizer Trading Corp.............................................................Taiwan Pfizer Tunisie..................................................................Tunisia Pfizer Zona Franca S.A..........................................................Costa Rica Pfizer s.r.o....................................................................Czech Republic Pfizer, Inc.....................................................................Philippines Pfizer, S.A. [a/k/a Pfizer Pharmaceutical]......................................Spain Pfizer, S.A. de C.V.............................................................Mexico Programmable Pump Technologies, Inc.............................................Delaware Quigley Company Inc.............................................................New York Radiologic Sciences, Inc........................................................California Restiva S.r.l...................................................................Italy Roerig A.B......................................................................Sweden Roerig B.V......................................................................Netherlands Roerig Farmaceutici Italiana S.p.A..............................................Italy Roerig S.A......................................................................Chile Roerig, Produtos Farmaceuticos, Lda.............................................Portugal S.D. Investments Pty. Ltd.......................................................Australia Shiley Incorporated.............................................................California Shiley International............................................................California Shiley Ltd......................................................................United Kingdom Site Realty, Inc................................................................Delaware SmithKline Animal Health (Proprietary) Limited..................................South Africa SmithKline Animal Health (SWA) (Pty) Ltd........................................Namibia SmithKline Beecham Animal Health (Singapore) Private Limited....................Singapore SmithKline Beecham Animal Health (Taiwan) Limited...............................Taiwan Taylor Kosmetik G.m.b.H.........................................................Germany The Kodiak Company Ltd..........................................................Bermuda Unicliffe Limited...............................................................United Kingdom VMI Acquisition Corp............................................................California Vinci Farma, S.A................................................................Spain 4