| Business | Phone |
| A C Components 30 Royal Crest Crt, Markham L3R 9W8 | (905) 470-1933 |
| Anderson Media Corp 60 Amber St, Markham L3R 2Z9 | (905) 470-7635 |
| L A Audio Electronic Co Ltd 825 Denison St, Markham L3R 5E4 | (905) 946-2201 |
| Lamp Source Po Box 56612 Rpo Town Square, Markham L3R 0M6 | (905) 470-7222 |
| My-Jor Enterprises Inc 3400 14th Ave, Markham L3R 0H7 | (905) 947-9243 |
| Optoma Technology Inc 555 Denison St, Markham L3R 1B8 | (905) 470-4228 |
| Proxima Corp 20 Barker Crt, Markham L3P 3X8 | (905) 471-4620 |
| Regency Audio & Video 7350 Woodbine Ave, Markham L3R 1A5 | (905) 305-9888 |
| Snb Electronics Ltd 951 Denison St, Markham L3R 3W9 | (905) 948-9228 |
| Spectrodata Communications Inc 951 Denison St, Markham L3R 3W9 | (905) 475-5199 |
| Stampede Canada Inc 151 Amber St, Markham L3R 3B3 | (905) 475-0880 |
| Edma Marketing Ltd/Impulse Av 50 Don Park Rd, Markham L3R 1J3 | (905) 475-7835 |
| Dtech 4300 Steeles Ave E, Markham L3R 0Y5 | (905) 944-8862 |
| Dvs 3255 Highway 7, Markham L3R 3P9 | (905) 944-8866 |