| Business | Phone |
| Altair Electronics Ltd 27 Pinnacle St S #A, Belleville K8N 3A1 | (613) 969-4490 |
| Hiway Computers Inc 257 North Front St, Belleville K8P 3C3 | (613) 966-6160 |
| Komputech 246 Church St, Belleville K8N 3C5 | (613) 969-1032 |
| Loyalist Management Systems 20 Moira St W, Belleville K8P 1S2 | (613) 962-1636 |
| Micro Age 135 North Front St, Belleville K8P 3B5 | (613) 966-6201 |
| Office Place Rr 5 Stn Main Box 201, Belleville K8N 4Z5 | (613) 962-1141 |
| Beonix Technology 97 Hanna Crt S, Belleville K8P 5H2 | (613) 962-7440 |
| Staples Business Depot 190 Bell Blvd, Belleville K8P 5L2 | (613) 961-7399 |
| Systems & Software Ctr Ltd 333 Front St, Belleville K8N 2Z9 | (613) 966-3706 |
| Vision Computers & Svc 5529 Hwy 62, Belleville K8N 4Z7 | (613) 968-8178 |
| Geek Shack 199 Front St, Belleville K8N 5H5 | (613) 968-6602 |