| Business | Phone |
| 727 Transmission Svc Inc 820 Campbell Ave, Ottawa K2A 2C2 | (613) 725-1762 |
| Aamco Transmissions 1750 Bank St, Ottawa K1V 7Y6 | (613) 733-1115 |
| B & N Transmission 1086 Gladstone Ave, Ottawa K1Y 3G9 | (613) 729-6000 |
| Hank's Auto Svc 55 Carruthers Ave, Ottawa K1Y 1N3 | (613) 728-2377 |
| Harper Detroit Diesel-Allison 2450 Stevenage Dr, Ottawa K1G 3W3 | (613) 736-6060 |
| Lgl Transmission Ltd 2570 Blackwell St, Ottawa K1B 5R1 | (613) 744-5070 |
| Malmberg Truck Trailer Equip 1427 Michael St, Ottawa K1B 3R3 | (613) 521-3555 |
| Mister Transmission 1292 Baseline Rd, Ottawa K2C 0A9 | (613) 224-0990 |
| Wilson Transmission 4106 County Rd 124, Ottawa L0M 1P0 | (705) 444-2363 |