| Business | Phone |
| Lumar Machining & Mfg 150 Burwell Rd, St Thomas N5P 3R8 | (519) 633-6360 |
| St Thomas Tool & Die Ltd 6 Barrie Blvd, St Thomas N5P 4B9 | (519) 637-0577 |
| Supra Tool & Die 3 Barrie Blvd, St Thomas N5P 4B9 | (519) 633-2181 |
| Tru-Die Ltd 236 Edward St, St Thomas N5P 1Z5 | (519) 633-1040 |