Exhibit 21
Schering-Plough Corporation and Subsidiaries
Subsidiaries of the Registrant As of
December 31, 2007
State or Country of | ||
Incorporation or | ||
Subsidiaries of Registrant | Organization | |
AESCA Pharma GmbH | Austria | |
Avondale Chemical Co. Ltd. | Ireland | |
Beneficiadora e Industrializadora S.A. de C.V. | Mexico | |
Dashtag | United Kingdom | |
Diosynth RTP Inc. | U.S.A. | |
DNAX Research, Inc. | California | |
Douglas Industries, Inc. | Delaware | |
Essex Asia Limited | Hong Kong | |
Essex Chemie A.G. | Switzerland | |
Essex Holdings GmbH | Germany | |
Essex Italia S.p.A. | Italy | |
Essex Pharma GmbH | Germany | |
Fulford (India) Limited | India | |
Global Animal Management Inc. | Delaware | |
Hydrochemie GmbH | Germany | |
Intervet Deutschland GmbH | Germany | |
Intervet do Brasil Veterinaria Ltda | Brazil | |
Intervet Holding B.V. | Netherlands | |
Intervet Inc. | U.S.A | |
Intervet Innovation GmbH | Germany | |
Intervet International B.V. | Netherlands | |
Intervet International GmbH | Germany | |
Intervet International Inc. | U.S.A. | |
Intervet Mexico S.A. de C.V. | Mexico | |
Intervet Nederland B.V. | Netherlands | |
Intervet Pharma R&D S.A. | France | |
Intervet Productions SA | France | |
Intervet Productions Srl | Italy | |
Intervet UK Ltd | United Kingdom | |
Intervet UK Production Ltd | United Kingdom | |
Interveterinaria SA de CV | Mexico | |
Laboratorios Intervet S.A. | Spain | |
MSP Technology (US) Company LLC | Delaware | |
Multilan AG | Switzerland | |
N.V. Organon | Netherlands | |
Nanjing Organon Pharmaceutical Co., Ltd. | China | |
Nippon Organon K.K. | Japan | |
Nobilon International B.V. | Netherlands | |
Organon (Ireland) Ltd. | Ireland | |
Organon AG | Switzerland |
138
State or Country of | ||
Incorporation or | ||
Subsidiaries of Registrant | Organization | |
Organon Agencies B.V. | Netherlands | |
Organon Belgie NV | Belgium | |
Organon BioSciences International B.V. | Netherlands | |
Organon BioSciences Nederland B.V. | Netherlands | |
Organon BioSciences N.V. | Netherlands | |
Organon BioSciences Reinsurance Limited | Ireland | |
Organon China B.V. | Netherlands | |
Organon Development GmbH | Germany | |
Organon Europe B.V. | Netherlands | |
Organon Holding B.V. | Netherlands | |
Organon International B.V. | Netherlands | |
Organon International Inc. | U.S.A. | |
Organon Laboratories Ltd. | United Kingdom | |
Organon Mexicana S.A. de C.V. | Mexico | |
Organon Middle East Ltd. Cyprus | Cyprus | |
Organon Nederland B.V. | Netherlands | |
Organon Participations B.V. | Netherlands | |
Organon Polska Sp. z.o.o. | Poland | |
Organon S.A. | France | |
Organon USA Inc. | U.S.A. | |
P.T. Schering-Plough Indonesia | Indonesia | |
Sherico, Ltd. | Switzerland | |
Schering Bermuda Ltd | Bermuda | |
Schering Corporation | New Jersey | |
Schering-Plough (China), Ltd. | Bermuda | |
Schering-Plough (Ireland) Company | Ireland | |
Schering-Plough (Proprietary) Limited | South Africa | |
Schering-Plough (Singapore) Pte. Ltd. | Singapore | |
Schering-Plough (Singapore) Research Pte. Ltd. | Singapore | |
Schering-Plough A/S | Denmark | |
Schering-Plough AB | Sweden | |
Schering-Plough Animal Health Corporation | Delaware | |
Schering-Plough Animal Health Kabushiki Kaisha | Japan | |
Schering-Plough Animal Health Limited | Thailand | |
Schering-Plough B.V. | Netherlands | |
Schering-Plough C.A. | Venezuela | |
Schering-Plough Canada, Inc. | Canada | |
Schering-Plough Central East A.G. | Switzerland | |
Schering-Plough Compania Limitada | Chile | |
Schering-Plough Corporation | Philippines | |
Schering-Plough del Caribe, Inc. | New Jersey | |
Schering-Plough del Ecuador, S.A. | Ecuador | |
Schering-Plough del Peru S.A. | Peru | |
Schering-Plough Farma Lda. | Portugal | |
Schering-Plough HealthCare Products, Inc. | Delaware | |
Schering-Plough Holdings (Ireland) Company | Ireland |
139
State or Country of | ||
Incorporation or | ||
Subsidiaries of Registrant | Organization | |
Schering-Plough Holdings France, SAS | France | |
Schering-Plough Holdings Limited | United Kingdom | |
Schering-Plough Home Again LLC | Delaware | |
Schering-Plough II — Veterinaria, Lda. | Portugal | |
Schering-Plough International C.V. | Netherlands | |
Schering-Plough International Finance Company B.V. | Netherlands | |
Schering-Plough International Holdings B.V. | Netherlands | |
Schering-Plough International, Inc. | Delaware | |
Schering-Plough Investments Company GmbH | Switzerland | |
Schering-Plough Israel A.G. | Switzerland | |
Schering-Plough Kabushiki Kaisha | Japan | |
Schering-Plough Korea | Korea | |
Schering-Plough Labo N.V. | Belgium | |
Schering-Plough Legislative Resources, L.L.C. | Delaware | |
Schering-Plough Limited | Taiwan | |
Schering-Plough Limited | Thailand | |
Schering-Plough Limited | United Kingdom | |
Schering-Plough Ltd. | Switzerland | |
Schering-Plough N.V./S.A. | Belgium | |
Schering-Plough Pharmaceutical Industrial and Commercial S.A. | Greece | |
Schering-Plough Products Caribe, Inc. | Cayman Islands | |
Schering-Plough Products LLC | Delaware | |
Schering-Plough Products, Inc. | Delaware | |
Schering-Plough Produtos Farmacuticos Ltda. | Brazil | |
Schering-Plough Pty. Limited | Australia | |
Schering-Plough S.A. | Panama | |
Schering-Plough S.A. | France | |
Schering-Plough S.A. | Argentina | |
Schering-Plough S.A. | Colombia | |
Schering-Plough S.A. | Spain | |
Schering-Plough S.A. de C.V. | Mexico | |
Schering-Plough S.p.A. | Italy | |
Schering-Plough Saude Animal Industria E Comercio Ltda. | Brazil | |
Schering-Plough Sdn. Bhd. | Malaysia | |
Schering-Plough Technologies Pte. Ltd | Singapore | |
Schering-Plough Tibbi Urunler Ticaret, A.S. | Turkey | |
Schering-Plough Veterinaire | France | |
Sentipharm A.G. | Switzerland | |
Shanghai Schering-Plough Pharmaceutical Company, Ltd. | China | |
SOL Limited | Bermuda | |
SP Flight Operations, Inc. | Delaware | |
SP Healthcare Products Corp. | Delaware | |
S-P Holding GmbH | Austria | |
Summit Property Company LLC, The | Delaware | |
Theriak B.V. | Netherlands | |
Vetrex B.V. | Netherlands |
140
State or Country of | ||
Incorporation or | ||
Subsidiaries of Registrant | Organization | |
Warrick Pharmaceuticals Corporation | Delaware | |
Werthenstein Chemie A.G. | Switzerland | |
White Laboratories, Inc. | New Jersey | |
Zao Organon A/O | Russian Federation |
In accordance with Item 601(b)(21) ofRegulation S-K, the Registrant has omitted the names of particular subsidiaries because the unnamed subsidiaries, considered in the aggregate as a single subsidiary, would not have constituted a significant subsidiary as of December 31, 2007.
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