EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT The following is a list of subsidiaries of the Company as of the date hereof, omitting certain subsidiaries which, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary. PERCENTAGE OF VOTING SECURITIES OWNED BY IMMEDIATE NAME WHERE INCORPORATED PARENT --------------------------------------------------- ------------------- -------------- (a) Subsidiaries of Pfizer Inc.: Radiologic Sciences, Inc........................... California 100 Shiley Incorporated................................ California 100 Valleylab Inc...................................... Colorado 100 NAMIC U.S.A. Corporation........................... Delaware 100 Health Care Ventures, Inc.......................... Delaware 100 Howmedica Inc...................................... Delaware 100 Pfizer Enterprises Inc............................. Delaware 100 Pfizer Health Solutions, Inc....................... Delaware 100 Pfizer Medical Systems, Inc........................ Delaware 100 Pfizer Pharmaceuticals, Inc........................ Delaware 100 Pfizer Pigments Inc................................ Delaware 100 Site Realty, Inc................................... Delaware 100 Strato/Infusaid Inc................................ Massachusetts 100 American Medical Systems, Inc...................... Minnesota 100 Schneider (USA) Inc................................ Minnesota 100 Adforce Inc........................................ New York 100 Quigley Company Inc................................ New York 100 Pfizer International Inc........................... New York 100 Howmedica G.m.b.H.................................. Austria 100 Cadsand Medica N.V................................. Belgium 100 Laboratorios Pfizer Ltd............................ Brazil 100 Orsim, S.A......................................... France 100 Van Cadsand Beheer B.V............................. Netherlands 100 Pfizer Healthcare Ltd. (Korea)..................... South Korea 100 Pfizer Trading Corp................................ Taiwan 100 (b) Subsidiaries of Pfizer International Inc. (a subsidiary of Pfizer Inc.): Pfizer Overseas Inc................................ Delaware 100 Pfizer H.C.P. Corporation.......................... New York 100 Pfizer Corporation Austria G.m.b.H................. Austria 100 Pfizer S.A......................................... Belgium 100 The Kodiak Company Ltd............................. Bermuda 100 Pfizer Canada Inc.................................. Canada 100 Roerig S.A......................................... Chile 100 Pfizer Biogal L.L.C................................ Hungary 71.35 Pfizer (Ireland) Limited........................... Ireland 100 Pfizer Chemical Corp. Ltd.......................... Isle of Man 100 Pfizer Pharmaceutics Israel Ltd.................... Israel 100 Compania Distribuidora Del Centro, S.A. de C.V..... Mexico 100 Form 10-K for the fiscal year ended December 31, 1995 PERCENTAGE OF VOTING SECURITIES OWNED BY IMMEDIATE NAME WHERE INCORPORATED PARENT --------------------------------------------------- ------------------- -------------- (b) Subsidiaries of Pfizer International Inc. (a subsidiary of Pfizer Inc.): -- (Continued) Pfizer Holding Mexico, S. de R.L. de C.V........... Mexico 90 Pfizer, S.A. de C.V................................ Mexico 100 Laboratoires Pfizer S.A............................ Morocco 98 Pfizer Specialties Limited......................... Nigeria 100 Pfizer Pharmaceuticals Production Corporation...... Panama 100 Pfizer Polska Sp.z.0.0............................. Poland 100 A/O Pfizer......................................... Russia 100 Pfizer Healthcare Ltd. (Korea)..................... South Korea 100 Pfizer, S.A., S en C. (Bioquimica Industrial Espanola).......................................... Spain 100 Pfizer, S.A........................................ Spain 100 Pfizer Group Limited............................... United Kingdom 100 (c) Subsidiaries of Pfizer Pharmaceuticals Production Corporation (a subsidiary of Pfizer International Inc.): Pfizer European Service Center N.V................. Belgium 97.3 Pfizer Research and Development Company N.V./S.A........................................... Belgium 95 Kirchimie Ltee..................................... Canada 100 Pfizer Pension Trustees (Ireland) Limited.......... Ireland 100 Pfizer International Bank Europe................... Ireland 97.5 Pfizer Service Company Ltd......................... Ireland 100 Pfizer Ringaskiddy Production Company.............. Isle of Man 100 Roerig Farmaceutici Italiana S.r.1................. Italy 100 Pfizer (N.Z.) Ltd.................................. New Zealand 100 Pfizer Corporation................................. Panama 100 (d) Subsidiaries of Pfizer Corporation (a subsidiary of Pfizer Pharmaceuticals Production Corporation): Pficonprod Pty. Limited............................ Australia 100 Pfizer Agricare Pty. Ltd........................... Australia 100 Pfizer Pty. Ltd.................................... Australia 100 Pfizer S.A......................................... Colombia 100 Pfizer S.A......................................... Costa Rica 100 Pfizer C.A......................................... Ecuador 100 Pfizer Egypt S.A.E................................. Egypt 85 Pfizer Limited..................................... Ghana 50 Pfizer Hellas, A.E................................. Greece 100 Pfizer Limited..................................... India 40 PT Pfizer Indonesia................................ Indonesia 68.2 Pfizer Laboratories Limited (Kenya)................ Kenya 100 Pfizer (Malaysia) Sendirian Berhad................. Malaysia 100 Pfizer (Namibia) (Proprietary) Limited............. Namibia 100 Pfizer Laboratories Limited........................ New Zealand 100 2 PERCENTAGE OF VOTING SECURITIES OWNED BY IMMEDIATE NAME WHERE INCORPORATED PARENT --------------------------------------------------- ------------------- -------------- (d) Subsidiaries of Pfizer Corporation (a subsidiary of Pfizer Pharmaceuticals Production Corporation): -- (Continued) Livestock Feeds PLC................................ Nigeria 60 Pfizer Products PLC................................ Nigeria 60 Pfizer A/S......................................... Norway 100 Pfizer Laboratories Limited........................ Pakistan 76.3 Pfizer International Corporation S.A............... Panama 100 Harmag Inc......................................... Panama 100 Pfizer S.A......................................... Peru 100 Pfizer Inc......................................... Philippines 100 Pfizer Private Limited............................. Singapore 100 SmithKline Animal Health (Proprietary) Limited..... South Africa 100 Pfizer Laboratories (Proprietary) Limited.......... South Africa 100 Pfizer Korea Limited............................... South Korea 50 Pfizer Limited..................................... South Korea 100 Pfizer A.B......................................... Sweden 100 Roerig A.B......................................... Sweden 100 Pfizer Limited..................................... Taiwan 100 Pfizer Limited..................................... Tanzania 100 Pfizer Limited..................................... Thailand 100 Pfizer Ilaclari A.S................................ Turkey 100 Pfizer Limited..................................... Uganda 100 Laboratorios Pfizer de Venezuela, S.A.............. Venezuela 100 (e) Subsidiaries of Pfizer Research and Development Company N.V./S.A. (a subsidiary of Pfizer Pharmaceuticals Production Corporation): Pfizer A/S......................................... Denmark 100 Pfizer Oy.......................................... Finland 100 Pfizer S.A......................................... France 100 Pfizer Holding Und Verwaltungs G.m.b.H. ........... Germany 95 Pfizer Holdings Ireland............................ Ireland 84 Pfizer Italiana S.p.A. ............................ Italy 100 Pfizer Pharmaceuticals Inc. ....................... Japan 100 Pfizer B.V. ....................................... Netherlands 100 Pfizer S.G.P.S. Limitada........................... Portugal 100 Howmedica Iberica S.A. ............................ Spain 87.8 Schneider (Europe) A.G. ........................... Switzerland 100 Pfizer A.G. ....................................... Switzerland 100 3 PERCENTAGE OF VOTING SECURITIES OWNED BY NAME WHERE INCORPORATED IMMEDIATE PARENT --------------------------------------------------- ------------------- --------------------------------- (f) Miscellaneous Subsidiaries: Shiley International, Inc. ........................ California Shiley Incorporated 100% Schneider (USA) Pittsburgh, Inc. .................. Delaware Schneider (USA) Inc. 100% Pfizer Pharm Algerie SPA........................... Algeria Pfizer S.A. (France) 60% Pfizer S.A.C.I. ................................... Argentina Pfizer International Corporation S.A. 100% Valleylab Australia Pty. Ltd. ..................... Australia Valleylab Inc. 100% Pfizer Med-Inform Beratungs G.m.b.H. .............. Austria Pfizer Corporation Austria G.m.b.H. 100% Pfizer Animal Health S.A. ......................... Belgium Pfizer S.A. (France) 100% Pfizer Hospital Products (Belgium) N.V. ........... Belgium Pfizer Hospital Products (Netherlands) B.V. 100% PQI Inc. .......................................... Canada Pfizer Canada Inc.. 100% Pfizer Zona Franca S.A. ........................... Costa Rica Pfizer S.A. (Costa Rica) 100% Pfizer s.r.o. ..................................... Czech Republic Pfizer S.A. (Belgium) 100% Benoist Girard & Cie S.C.A. ....................... France Pfizer S.A. 100% Howmedica France S.C.A. ........................... France Pfizer S.A. 100% Laboratoire Beral, S.A. ........................... France Pfizer S.A. 100% Leibinger S.A.R.L.................................. France Howmedica Leibinger G.m.b.H. 100% Pfizer Animal Health S.A. ......................... France Pfizer S.A. (France)100% Heinrich Mack Nachf. .............................. Germany Pfizer G.m.b.H. 100% Hilekes G.m.b.H. .................................. Germany Howmedica G.m.b.H. 100% Howmedica Leibinger G.m.b.H........................ Germany Pfizer G.m.b.H. 100% Pfizer G.m.b.H. ................................... Germany Pfizer Holding Und Verwaltungs G.m.b.H. 100% SmithKline Beecham Tiergesundheit G.m.b.H. ........ Germany Pfizer Holding Und Verwaltungs G.m.b.H. 100% Taylor Kosmetik G.m.b.H. .......................... Germany Pfizer Holding Und Verwaltungs G.m.b.H. 100% Pfizer LLC......................................... Hungary Pfizer S.A. Belgium 100% Leema Chemicals & Cosmetics Private Limited........ India Pfizer Limited 100% Duchem Laboratories Limited........................ India Pfizer Limited (India) 100% Bioindustria Farmaceutici S.p.A.................... Italy Pfizer Italiana S.p.A 98.8% Restiva S.r.1. .................................... Italy Pfizer Italiana S.p.A. 99% SudFarma S.r.1. ................................... Italy Roerig Farmaceutici Italiana S.r.1. 90%; Pfizer Italiana S.p.A. 10% Pfizer Shoji Co., Ltd. ............................ Japan Pfizer Pharmaceuticals Inc. (Japan) 100% Schneider Japan K.K. .............................. Japan Pfizer Pharmaceuticals Inc. (Japan) 100% Pfizer S.A. ....................................... Morocco Pfizer S.A. 56%; Laboratoire Beral, S.A. 44% A.S. Ruffel (Mozambique) Limitada.................. Mozambique SmithKline Animal Health (Proprietary) Limited 100% 4 PERCENTAGE OF VOTING SECURITIES OWNED BY NAME WHERE INCORPORATED IMMEDIATE PARENT --------------------------------------------------- ------------------- --------------------------------- (f) Miscellaneous Subsidiaries: -- (Continued) SmithKline Animal Health (SWA) (Pty) Ltd. ......... Namibia SmithKline Animal Health (Proprietary) Limited 100% Cadsand Medica B.V. ............................... Netherlands Van Cadsand Beheer B.V. 100% Pfizer Animal Health B.V. ......................... Netherlands Pfizer B.V. 100% Pfizer Hospital Products (Netherlands) B.V. ....... Netherlands Shiley International, Inc. 100% Roerig B.V. ....................................... Netherlands Pfizer B.V. 100% Pfizer Pharmaceuticals Ltd. ....................... People's Republic Pfizer Enterprises Inc. 67.1% of China Laboratorios Pfizer S.A. .......................... Portugal Pfizer S.G.P.S. Limitada 100% SmithKline Becham Animal Health (Singapore) Private Limited............................................ Singapore Pfizer Private Limited 100% Pfizer Salud Animal, S.A. ......................... Spain Pfizer S.A. (Spain) 100% Pfizer Hospital Products A.B. ..................... Sweden Shiley International, Inc. 100% AMS Medinvent S.A. ................................ Switzerland Nilo Holdings, S.A. 100% Nilo Holding, S.A. ................................ Switzerland Schneider (Europe) A.G. 100% Biomedical Sensors (Holdings) Ltd. ................ United Kingdom Howmedica International Inc. 100% Biomedical Sensors Ltd. ........................... United Kingdom Biomedical Sensors (Holdings) Ltd. 100% Charwell Pharmaceuticals Limited................... United Kingdom Unicliffe Limited 100% Howmedica International Limited.................... United Kingdom Pfizer Group Limited 100% Istin 95........................................... United Kingdom Pfizer Limited 100% Measureaim Ltd. ................................... United Kingdom Howmedica International Limited 100% Pfizer Hospital Products Pension Trustees, Ltd. ... United Kingdom Pfizer Hospital Products, Ltd. (U.K.) 100% Pfizer Hospital Products, Ltd. .................... United Kingdom Howmedica International Limited 100% Pfizer Limited..................................... United Kingdom Pfizer Group Limited 100% Pfizer Pension Trustees Ltd. ...................... United Kingdom Pfizer Limited 100% Shiley Ltd. ....................................... United Kingdom Howmedica International Limited 100% Unicliffe Limited.................................. United Kingdom Pfizer Limited 100% Pfizer Bioquimicos S.A. ........................... Venezuela Laboratorios Pfizer de Venezuela, S.A. 100% Pfizer S.A. ....................................... Venezuela Laboratorios Pfizer de Venezuela, S.A. 100% AS Ruffel (Private) Ltd. .......................... Zimbabwe SmithKline Animal Health (Proprietary) Limited 100% 5 PERCENTAGE OF VOTING SECURITIES OWNED BY NAME WHERE INCORPORATED IMMEDIATE PARENT --------------------------------------------------- ------------------- --------------------------------- (g) Subsidiaries of Howmedica Inc. (a subsidiary of Pfizer Inc.): Howmedica Leibinger Inc. .......................... Delaware 100 Howmedica Investments Pty. Ltd. ................... Australia 100 S.D. Investments Pty. Ltd. ........................ Australia 100 Howmedica G.m.b.H. ................................ Germany 100 Howmedica International Inc. ...................... Panama 100 Jaquet Orthopedie S.A. ............................ Switzerland 100 (h) Subsidiaries of NAMIC U.S.A. Corporation (a subsidiary of Pfizer Inc.): NAMIC Caribe, Inc. ................................ Delaware 100 NAMIC Eireann Limited.............................. Ireland 100 NAMIC Eireann B. V. ............................... Netherlands 100 NAMIC Worldwide B. V. ............................. Netherlands 100 NAMIC International, Inc. ......................... Virgin Islands 100 6