The Otsuka Group is engaged in a variety of businesses worldwide, from products that help to maintain and enhance daily health, to those that aid the diagnosis and treatment of illnesses. As of March 31, 2011, net sales from markets outside Japan accounted for 43% of the Group’s consolidated net sales. There are more than 25,000 consolidated Group employees worldwide, and 44% of them are outside of Japan. Otsuka Group employees are working every day around the world, for the universal betterment of human health.

Consolidated subsidiaries of the Otsuka Group are shown on this page.
Affiliated companies accounted for by the equity method are indicated with an asterisk (*).
Europe
- ●Belgium
- Nutrition & Sante Benelux SA
- ●Czech Republic
- ●France
- Otsuka Pharmaceutical France SAS
Euriso-Top S.A.S
Nardobel SAS
Nutrition & Sante SAS
Nutrition & Nature SAS
Laboratoires Dietetique et Sante SAS
ALMA S.A.* - ●Germany
- Otsuka Pharma GmbH
Cambridge Isotope Laboratories (Europe), GmbH
Euriso-Top GmbH
Advanced Biochemical Compounds, GmbH
M-fold Biotech, GmbH - ●Italy
- Nutrition & Sante Italia SpA
- ●Spain
- Otsuka Pharmaceutical, S.A.
Nutrition & Sante Iberia SL
Hebron S.A. - ●Sweden
- Otsuka Pharma Scandinavia AB
- ●Switzerland
- Nutrinat AG
- ●UK
- Otsuka Pharmaceutical Europe, Ltd.
Otsuka Pharmaceutical (U.K.) Ltd.
Asia and Middle East
- ●China
- Otsuka (China) Investment Co., Ltd
Guangdong Otsuka Pharmaceutical Co., Ltd.
Zhejiang Otsuka Pharmaceutical Co., Ltd.
Sichuan Otsuka Pharmaceutical Co., Ltd.
Tianjin Otsuka Beverage Co., Ltd.
Suzhou Otsuka Pharmaceutical Co., Ltd.
Shanghai Otsuka Foods Co., Ltd.
China Otsuka Pharmaceutical Co., Ltd.*
Micro Port Medical (Shanghai) Co., Ltd.*
Microport Scientific Corporation*
VV Food & Beverage Co., Ltd.* - ●Egypt
- Egypt Otsuka Pharmaceutical Co., S.A.E.
- ●India
- Otsuka Chemical (India) Private Limited
- ●Indonesia
- P.T. Otsuka Indonesia
P.T. Merapi Utama Pharma
P.T. Widatra Bhakti
P.T. Amerta Indah Otsuka
P.T. Otsuka Jaya Indah
P.T. Lautan Otsuka Chemical
- ●Pakistan
- Otsuka Pakistan Ltd.*
- ●Philippines
- Otsuka (Philippines) Pharmaceutical, Inc.
- ●South Korea
- Korea Otsuka Pharmaceutical Co., Ltd.
Dong-A Otsuka Co., Ltd.* - ●Taiwan
- Taiwan Otsuka Pharmaceutical Co., Ltd.
King Car Otsuka Co., Ltd.* - ●Thailand
- Thai Otsuka Pharmaceutical Co., Ltd.*
- ●Vietnam
Japan
- ●Japan
- Otsuka Holdings Co., Ltd.
Otsuka Pharmaceutical Co., Ltd.
Otsuka Pharmaceutical Factory, Inc.
Taiho Pharmaceutical Co., Ltd.
Otsuka Warehouse Co., Ltd.
Otsuka Chemical Co., Ltd.
Otsuka Medical Devices Co., Ltd.
JIMRO Co., Ltd.
EN Otsuka Pharmaceutical Co., Ltd.
Otsuka Electronics Co., Ltd.
Otsuka Techno Corporation
J.O. Pharma Co., Ltd.
Okayama Taiho Pharmaceutical Co., Ltd.
Otsuka Packaging Industries Co., Ltd.
Otsuka Foods Co., Ltd.
Otsuka Chilled Foods Co., Ltd.
MGC Otsuka Chemical Co.,Ltd.
Earth Chemical Co., Ltd.*
Earth Environmental Service Co., Ltd.*
United States
- ●Brazil
- ●Canada
- Otsuka Canada Pharmaceutical Inc.
2768691 Canada, Inc. - ●USA
- Otsuka America, Inc.
Otsuka America Pharmaceutical, Inc.
Otsuka Pharmaceutical Development & Commercialization, Inc.
Otsuka Maryland Medicinal Laboratories, Inc.
Cambridge Isotope Laboratories, Inc.
CIL Isotope Separations, LLC
Membrane Receptor Technologies LLC
Pharmavite LLC
Ridge Vineyards, Inc.
Crystal Geyser Water Company
Soma Beverage Company, LLC
Otsuka America Manufacturing LLC
CG Roxane LLC*








