| Business | Phone |
| Arkro Enterprises 267 Colborne St, Chatham N7M 3M3 | (519) 380-9354 |
| Marchand Design & Machine Inc 300 Lacroix St #4, Chatham N7M 6M6 | (519) 354-8516 |
| Promax 23576 Prince Albert Rd, Chatham N7M 5K4 | (519) 352-0006 |
| Superior Machine & Tool Ltd 277 William St S, Chatham N7M 4T3 | (519) 354-4640 |
| Thames Machine & Tool Co Ltd 585 Riverview Dr, Chatham N7M 5J5 | (519) 352-5637 |
| County Machine Shop 930 Richmond St, Chatham N7M 5J5 | (519) 354-0788 |