Otsuka Holdings Co., Ltd.
Tokyo Headquarters: 2-16-4 Konan, Minato-ku, Tokyo 108-0075
Tel: 81-3-6717-1410

http://www.otsuka.com/

Otsuka Pharmaceutical Co., Ltd.
Tokyo Headquaters: 2-16-4 Konan, Minato-ku, Tokyo 108-8242
Tel: 81-3-6717-1400
Fax: 81-3-6717-1499

http://www.otsuka.co.jp/

Otsuka Pharmaceutical Factory, Inc.
115 Tateiwa, Muya-cho, Naruto, Tokushima 772-8601, Japan
Tel: 81-88-685-1151
Fax: 81-88-685-7667

http://www.otsukakj.jp/

Earth Chemical Co., Ltd.
2-12-1 Kanda Tsukasa-machi, Chiyoda-ku, Tokyo 101-0048, Japan
Tel: 81-3-5207-7451
Fax: 81-3-5207-7481

http://www.earth-chem.co.jp/

Otsuka Chemical Holdings Co., Ltd.
3-2-27 Otedori, Chuo-ku, Osaka 540-0021, Japan
Tel: 81-6-6943-7701
Fax: 81-6-6946-0860

http://holdings.otsukac.co.jp

Otsuka Packaging Industries Co., Ltd.
1 Aza Higashi Tatsumi, Kizuno, Otsu-cho, Naruto, Tokushima 772-8511, Japan
Tel: 81-88-685-2154
Fax: 81-88-685-2158

http://www.otsuka-houso.co.jp/

Otsuka Warehouse Co., Ltd.
1-3-16 Ishida, Minato-ku, Osaka 552-0006, Japan
Tel: 81-6-6576-5921
Fax: 81-6-6575-3876

http://www.otsukawh.co.jp/

Taiho Pharmaceutical Co., Ltd.
1-27 Kanda Nishiki-cho, Chiyoda-ku, Tokyo 101-8444, Japan
Tel: 81-3-3294-4527
Fax: 81-3-3233-4057

http://www.taiho.co.jp/

Otsuka Electronics Co., Ltd.
3-26-3 Shodaitajika, Hirakata, Osaka 573-1132, Japan
Tel: 81-72-855-8550
Fax: 81-72-855-8557

http://www.photal.co.jp/

JIMRO Co., Ltd.
351-1 Nishiyokote-cho, Takasaki-shi, Gunma 370-0021, Japan
Tel: 81-27-353-1411
Fax: 81-27-353-1770

http://www.jimro.com

Otsuka Techno Corporation
330 Aza Otsubo, Koniu, Naka-cho, Naka-gun, Tokushima 771-5209, Japan
Tel: 81-884-62-3111
Fax: 81-884-62-3113

http://www.stannet.ne.jp/techno/

EN Otsuka Pharmaceutical Co., Ltd.
3-5 Daiyonjiwari, Nimaibashi, Hanamaki , Iwate 052-0312, Japan
Tel: 81-198-26-5261
Fax: 81-198-26-1055

http://www.enotsuka.co.jp/

Otsuka Ohmi Ceramics Co., Ltd.
3-2-21 Otedori, Chuo-Ku, Osaka 540-0021, Japan
Tel: 81-6-6943-6695
Fax: 81-6-6943-6487

http://www.ohmi.co.jp/