| Business | Phone |
| Air Time Communications 4300 Steeles Ave E #D53, Markham L3R 0Y5 | (905) 479-0080 |
| Digicell Net 85 Citizen Crt, Markham L6G 1A8 | (905) 948-8850 |
| Pacific Link 4300 Steeles Ave E, Markham L3R 0Y5 | (905) 305-8700 |
| Pacific Link Communications 5000 Highway 7, Markham L3R 4M9 | (905) 475-3657 |
| Pro Mobility Cellular Paging 505 Hood Rd, Markham L3R 5V6 | (905) 470-2868 |
| Rogers At & T 4560 Highway 7, Markham L3R 1M5 | (905) 513-8448 |
| Rogers At & T 5000 Highway 7, Markham L3R 4M9 | (905) 940-6510 |
| Rogers At & T 4300 Steeles Ave E, Markham L3R 0Y5 | (905) 943-9432 |
| Satellite Specialty Svc 8920 Woodbine Ave #100, Markham L3R 9W9 | (905) 470-9604 |
| Save On Telecom 8392 Kennedy Rd, Markham L3R 0W4 | (905) 513-8806 |
| Star-Lite High Tech Ltd 4300 Steeles Ave E #E81, Markham L3R 0Y5 | (905) 305-9588 |
| Telion 170 Esna Park Dr, Markham L3R 1E3 | (905) 475-5770 |
| Vitox Communications Inc 5000 Highway 7, Markham L3R 4M9 | (905) 474-2330 |
| Waldo Communications Inc 3255 Highway 7, Markham L3R 3P9 | (905) 305-9995 |
| Wireless Wave 5000 Highway 7, Markham L3R 4M9 | (905) 475-9283 |
| Wireless Personal Comms Inc 450 Alden Rd, Markham L3R 5H4 | (905) 470-2355 |
| Cellular Station Comms Co 4300 Steeles Ave E, Markham L3R 0Y5 | (905) 943-9668 |
| Cellcom Inc 7780 Woodbine Ave #3, Markham L3R 2N7 | (905) 475-7101 |
| Cellular Master Inc 3636 Steeles Ave E, Markham L3R 1K9 | (905) 513-1100 |
| Communication Store 4300 Steeles Ave E, Markham L3R 0Y5 | (905) 944-1100 |
| Edge Continental 550 Alden Rd #113, Markham L3R 6A8 | (905) 513-9909 |
| Digitcell 4350 Steeles Ave E, Markham L3R 9V4 | (905) 475-0022 |
| Easitone Communications 400 Esna Park Dr #5, Markham L3R 3K2 | (905) 415-8570 |
| Futuretel Service Ctr 570 Alden Rd #12, Markham L3R 8N5 | (905) 415-2388 |