| Business | Phone |
| J & R Custom Stainless 36 Gotha St, Trenton K8V 6E1 | (613) 394-3538 |
| Rogers Protofab 765 Murray St, Trenton K8V 5R6 | (613) 392-8268 |
| Trenton Precision Machine Co 36 Frankford Cres, Trenton K8V 4L2 | (613) 394-6718 |
| David Gates Industries Rr 3 Stn Main, Trenton K8V 5P6 | (613) 392-6132 |