| Business | Phone |
| J M Millar Corp 145 Industrial Court B, Sault Ste Marie P6B 5Z9 | (705) 254-7640 |
| Kresin Engineering Corp 536 Fourth Line E, Sault Ste Marie P6A 5K8 | (705) 949-4900 |
| M R Wright & Assoc Co Ltd 71 Black Rd, Sault Ste Marie P6A 6J8 | (705) 945-5091 |
| Met Energy Systems 477 Queen St E #204, Sault Ste Marie P6A 1Z5 | (705) 942-3344 |
| Q A Certification Specialists 473 Queen St E, Sault Ste Marie P6A 1Z5 | (705) 254-7336 |
| Barone Engineering Ltd 196 Turner Ave, Sault Ste Marie P6C 4S2 | (705) 254-2972 |
| Stem Engineering 8 Queen St E, Sault Ste Marie P6A 1Y3 | (705) 942-1400 |
| Watts Engineering 553 Queen St E, Sault Ste Marie P6A 2A3 | (705) 254-2219 |
| Danieli-Corus Canada Inc 405 Queen St E, Sault Ste Marie P6A 1Z5 | (705) 949-8661 |