| Business | Phone |
| Higher Fidelity Co 135 Anderson Ave, Markham L6E 1A4 | (905) 294-4833 |
| Mansoor Electronics Ltd 310 Alden Rd, Markham L3R 4C1 | (905) 475-8444 |
| Only Component Corp 220 Torbay Rd, Markham L3R 2P3 | (905) 305-8438 |
| Pioneer Electronics Of Canada 300 Allstate Pky, Markham L3R 0P2 | (905) 479-4411 |
| Sparkomatic Canada Inc 265 Hood Rd, Markham L3R 4N3 | (905) 497-1436 |
| Venturer Electronics Inc 725 Denison St, Markham L3R 1B8 | (905) 477-7878 |