| Business | Phone |
| Gescan 565 Dunlop St, Thunder Bay P7B 6S1 | (807) 623-8404 |
| Guillevin International Inc 883 Tungsten St #5, Thunder Bay P7B 6H2 | (807) 345-7789 |
| Ics Electronics 1315 Victoria Ave E, Thunder Bay P7C 1C3 | (807) 622-0671 |
| Mgm Electric Ltd 724 Macdonell St, Thunder Bay P7B 4A6 | (807) 345-7767 |
| Superior Lighting Sales Ltd 842 Vickers St N, Thunder Bay P7C 4C1 | (807) 626-9333 |
| Wesco Distribution 930 Alloy Dr, Thunder Bay P7B 6A4 | (807) 622-0638 |
| Westburne Electric Supply 1149 Roland St, Thunder Bay P7B 5M5 | (807) 623-1060 |
| D & B Power Systems 532 Jameson St, Thunder Bay P7G 1E3 | (807) 768-3280 |
| Eecol Electric Ltd 600 Squier St, Thunder Bay P7B 4A8 | (807) 344-5300 |