| Business | Phone |
| Advanced Machine Svc 2056 Thomaston Ave, Waterbury 6704 | (203) 597-8206 |
| Alfro Custom Mfg Co 84 Mattatuck Heights Rd, Waterbury 6705 | (203) 756-7008 |
| Atlas Screw & Specialty Mfg 250 Mill St, Waterbury 6706 | (203) 756-8826 |
| Carbide Systems Inc 394 Chase River Rd, Waterbury 6704 | (203) 755-6507 |
| Charter Oak Electronics 196 Mill St, Waterbury 6706 | (203) 756-7201 |
| Sandur Tool Co 853 Hamilton Ave, Waterbury 6706 | (203) 753-0004 |
| Rsa Tool 289 Congress Ave, Waterbury 6708 | (203) 757-4507 |
| D & L Tool 3821 E Main St, Waterbury 6705 | (203) 754-2083 |
| Noujaim Tools 412 Chase River Rd, Waterbury 6704 | (203) 753-4441 |
| Microbest Inc 670 Captain Neville Dr, Waterbury 6705 | (203) 597-0355 |
| Henal Products Corp 130 Freight St, Waterbury 6702 | (203) 753-3268 |