Tosoh Corporation Locations
| Location Name | Address | Contact | |
| United States | Tosoh Bioscience, Inc. | 6000 Shoreline Court, Suite 101 South San Francisco United States, CA 94080 | +1 (650) 615-4970 |
| United States | Tosoh USA, Inc. | 3600 Gantz Road Grove City United States, OH 43123-1895 | +1 (614) 277-4348 |
| Japan | Tosoh CorporationHeadquarters | Tokyo Midtown Yaesu, Yaesu Central Tower, 28th & 29th Floors, 2-2-1, Yaesu Chuo-ku Japan, 13 104-8467 | +81 366363711 |