Astellas Pharma Inc.
- Pharmaceutical maker specializing in antibiotics.
- http://www.astellas.com/

Daiichi Pharmaceutical
- Manufacturer of prescription drugs, with investment and financial information.
- http://www.daiichipharm.co.jp/

AnGes MG Inc.
- Conducts R&D and manufacturing of HGF genetic medications, nucleatic acid drugs, and HVJ envelope vectors. Based in Toyonaka City, Osaka.
- http://www.anges-mg.com/

Tsumura & Co.
- Maker of traditional Chinese medicines and conducting research on chemical pharmaceuticals, focusing on ingredients from medicinal herbs for treating renal, immunological and allergenic problems.
- http://www.tsumura.co.jp/

Nobelpharma
- Conducts research and development on new drugs, such as for dysmenorrhea, endometriosis, and Wilson's disease.
- http://www.nobelpharma.co.jp/

Honso Pharmaceutical Co., Ltd.
- Nagoya company involved in the extraction and refining of raw materials for herbal products. With company history, product and distributor details, contact information.
- http://www.honso.com/

Eisai Co., Ltd.
- Japanese pharmaceutical maker, with company profile, business history, environmental and social report.
- http://www.eisai.co.jp/index-e.html

CMIC Co., Ltd.
- Offers pharmaceutical development services including strategy development, regulatory consultation and a range of clinical research services.
- http://www.cmic.co.jp/e/

Chukyo Iyakuhin Co., Ltd.
- Develops private-label pharmaceuticals, health drinks, medical supplies, health supplements and consumables. Based in Aichi.
- http://www.chukyoiyakuhin.co.jp/

Meiji Seika Kaisha
- Produces pharmaceuticals, and antibiotics, disinfectants, and over the counter medicines, as well as confectionaries, gum, chocolate, and snack foods.
- http://www.meiji.co.jp/en/

Mercian Corporation
- Japanese wine and spirits producer and marketer, as well as pharmaceutical company active in antibiotics, cancer fighting drugs, and bioconversion.
- http://www.mercian.co.jp/e/index.html?main.html

Amano Enzyme
- Maker of enzymes for pharmeceuticals, diagnostic medicines, and the food industry. Head office in Nagoya.
- http://www.amano-enzyme.co.jp/

Toyobo Inc
- Active in chemicals, textiles, nonwovens, fabrics, resins, and synthetic fibers. Spunbond fabrics for industrial and geotechnical applications. Based in Osaka.
- http://www.toyobo.co.jp/e/

Tanabe Seiyaku Co.,Ltd.
- Producer of drugs for the circulatory, respiratory, central nervous, and digestive systems, hormones, nutritional tonics, antibiotics, biological, chemotherapy, and diagnostic agents.
- http://www.tanabe.co.jp/english/

Mochida Pharmaceutical
- Specialist maker of neurological, CV, metabolic, and cosmetic drugs, cancer and fertility reagents, hormones, and medical equipment.
- http://www.mochida.co.jp/english/index_e.htm

Kyorin Pharmaceutical
- Manufacturer of prescription medicines, especially for respiratory internal medicine, otorhinolaryngology and urology.
- http://www.kyorin-pharm.co.jp/eg/

Kissei Pharmaceutical
- Prescription drug maker also conducting R&D in urogenital systems, metabolism and endocrinology, respiratory and cardiovascular systems, ophthalmology, immunology, and allergies. .
- http://www.kissei.co.jp/e_contents/from_ceo.htm

Hisamitsu Pharmaceutical
- Includes corporate data, financial and operations information.
- http://www.hisamitsu.co.jp/english/

Chugai Pharmaceutical
- Prescription medicine manufacturer with corporate news and investment information.
- http://www.chugai-pharm.co.jp/english/