| Business | Phone |
| Carmet Carbide 134 Lucille St, Waterbury 6708 | (203) 597-0456 |
| Eastern Carbide Tool Co Llc 170 Freight St, Waterbury 6702 | (203) 754-8585 |
| M & M Tool Co 196 Mill St # 4, Waterbury 6706 | (203) 573-8535 |
| Lcm Tool Co 68 Diane Ter, Waterbury 6705 | (203) 757-1575 |