| Business | Phone |
| Nu-Tek Electronics Inc 112 Basaltic Rd #13, Concord L4K 1G6 | (905) 660-4558 |
| Tabangi Electronics Ltd 3300 Steeles Ave W #12, Concord L4K 2Y4 | (905) 738-4322 |
| Vcr Hospital 3200 Steeles Ave W #6, Concord L4K 3B8 | (416) 630-8840 |
| Downtown Audio Video Elect 665 Millway Ave #29, Concord L4K 3T8 | (905) 738-3680 |