| Business | Phone |
| Guillevin International Inc 1340 Phillip Murray Ave, Oshawa L1J 6Z9 | (905) 723-2291 |
| Kesco Electric Supply 555 Wentworth St E, Oshawa L1H 3V8 | (905) 721-8400 |
| Osso Electric Supplies Inc 209 Bloor St E, Oshawa L1H 3M3 | (905) 576-4166 |
| Ritson Electrical Supplies 260 Wentworth St E, Oshawa L1H 7R7 | (905) 723-0801 |
| Westburne Ruddy Electric 600 Thornton Rd S, Oshawa L1J 6W7 | (905) 576-7100 |