| Business | Phone |
| Expert Machine & Tool Inc 2424 Lapeer Rd, Port Huron 48060 | (810) 984-2323 |
| Tec-Tool & Machine 1041 Griswold St, Port Huron 48060 | (810) 985-5025 |
| V J Industries 3200 Dove Rd, Port Huron 48060 | (810) 364-6470 |
| Sombur Machine & Tool Co 2305 Beard St, Port Huron 48060 | (810) 982-8996 |
| Pro Mold & Machine 3550 Griswold Rd, Port Huron 48060 | (810) 984-9580 |
| R & D Machine Inc 3210 Dove Rd, Port Huron 48060 | (810) 364-3226 |
| R & D Machine Inc 3214 Atlantic Dr, Port Huron 48060 | (810) 364-3119 |