Asahi Diamond Industrial Locations
| Location Name | Address | Contact | |
| United States | Asahi Diamond America, Inc. | 9872 Windisch Rd West Chester United States, OH 45069 | +1 (513) 759-5222 |
| Japan | Asahi Diamond Industrial Co., Ltd.Headquarters | 4-1 Kioi-cho (New Otani Garden Court 11F) Chiyoda-ku Japan, 13 102-8578 | +81 03-3222-6311 |