Welch Locations
| Location Name | Address | Contact | |
| United States | Welch Materials, Inc. | 334 Main Street West Haven United States, CT 06516 | +1 (203) 691-1721 |
| China | Welch Materials, Inc.Headquarters | Building 10, Zijing Park, Tus Caohejing Science Park, No. 85 Mingnan Road, Songjiang District Shanghai China, SH 201600 | +86 400 808 6760 |
| Canada | Welch Materials (Canada), Inc. | 37 Springwater Road Winnipeg Canada, MB MB R3Y 0P3 | +1 (204) 800-8462 |