| Company Code | Company Name | |
|---|---|---|
| M Biotechnology Inc. | Pharmaceuticals | Non-listed | Tokyo | Official Site | |
| Pfizer Japan Inc. | Pharmaceuticals | Non-listed | Tokyo | Official Site | |
| GlaxoSmithKline K.K. | Pharmaceuticals | Non-listed | Tokyo | Official Site | |
| Kowa Company, Limited | Pharmaceuticals | Non-listed | Aichi | Official Site | |
| Novo Nordisk Pharma K.K. | Pharmaceuticals | Non-listed | Tokyo | Official Site | |
| LTT Bio-Pharma Co., Ltd. | Pharmaceuticals | Non-listed | Tokyo | Official Site | |
| Novartis Pharma K.K. | Pharmaceuticals | Non-listed | Tokyo | Official Site | |
| ECI, Inc. | Pharmaceuticals | Non-listed | Tokyo | Official Site | |
| SSP CO., LTD. | Pharmaceuticals | Non-listed | Tokyo | Official Site | |
| Taiho Pharmaceutical Co., Ltd. | Pharmaceuticals | Non-listed | Tokyo | Official Site | |
| Otsuka Pharmaceutical Co., Ltd. | Pharmaceuticals | Non-listed | Tokyo | Official Site | |
| Sanofi K.K. | Pharmaceuticals | Non-listed | Tokyo | Official Site |