| Business | Phone |
| Gray Lab Technical 398 Pine Ave, Oshawa L1J 2J1 | (905) 723-7604 |
| Blue Tec Ltd 41 Vancouver Crt, Oshawa L1J 5X3 | (905) 720-1696 |
| Spectrum Logic Corp 358 Lorindale Dr, Oshawa L1H 6X4 | (905) 720-1690 |
| Trelles Computer Consulting 135 Simcoe St N, Oshawa L1G 4S6 | (905) 579-7678 |
| Ccj Technologies 22 King St W #201, Oshawa L1H 1A3 | (905) 721-8492 |
| Compulink System House 621 King St E, Oshawa L1H 1G3 | (905) 433-0112 |
| Consulting Principles Inc 790 Regent Dr, Oshawa L1G 1H9 | (905) 721-2222 |
| Digital Assessment & Mgmt Inc 1156 King St E, Oshawa L1H 1H8 | (416) 277-1827 |