| Business | Phone |
| Waterbury Screw Machine Prods 319 Thomaston Ave, Waterbury 6702 | (203) 756-8084 |
| Waterbury Swiss Automatics 43 Mattatuck Heights Rd, Waterbury 6705 | (203) 573-8584 |
| Ville Swiss Automatics Inc 205 Cherry St, Waterbury 6702 | (203) 756-2825 |
| Bar-Work Mfg Co 1198 Highland Ave, Waterbury 6708 | (203) 753-4103 |
| Bartley Manufacturing Co 88 Industry Ln, Waterbury 6704 | (203) 573-9533 |
| Cam-A-Ton Dlallc 16 Edwin Ave, Waterbury 6708 | (203) 755-8098 |
| Royal Screw Machine Products 250 Mill St, Waterbury 6706 | (203) 755-6565 |
| Curtis Products Co 97 Sharon Rd, Waterbury 6705 | (203) 754-4155 |
| Dependable Screw Machine Prods 244 Mill St, Waterbury 6706 | (203) 756-5535 |
| Durco Manufacturing 493 S Leonard St, Waterbury 6708 | (203) 575-0446 |
| Palladin Precision Products 57 Bristol St, Waterbury 6708 | (203) 574-0246 |
| Futuristics Inc 2120 Thomaston Ave, Waterbury 6704 | (203) 754-0058 |
| Marvel Screw Machine Products 58 Lafayette St, Waterbury 6708 | (203) 756-7058 |
| Lsm Mfg Co 1643 Thomaston Ave, Waterbury 6704 | (203) 754-4136 |