| Business | Phone |
| Lycath Technical Sales 5 Manitou Dr #17, Kitchener N2C 2J6 | (519) 894-2645 |
| Mighton Engineering Inc 1060 Guelph St, Kitchener N2B 2E3 | (519) 745-3703 |
| Mne Engineering Inc 1601 River Rd E #305, Kitchener N2A 3Y4 | (519) 894-9408 |
| R G Shugg Engineering Ltd 1060 Guelph St, Kitchener N2B 2E3 | (519) 743-2300 |
| Trutek Engineering Inc 315 Lancaster St W #H, Kitchener N2H 4V4 | (519) 742-9202 |
| Walter Fedy Partnership 546 Belmont Ave W, Kitchener N2M 5E3 | (519) 576-2150 |
| Colin Lee Engineering Ltd 131 Winding Way, Kitchener N2N 1N3 | (519) 570-4120 |
| Collins Engineering Group 1060 Guelph St, Kitchener N2B 2E3 | (519) 745-9338 |
| Copa Engineering Ltd 29 Rolling Acres Dr, Kitchener N2A 3W5 | (519) 894-0022 |