| Business | Phone |
| Advantage Automation Ltd 2800 14th Ave, Markham L3R 0E4 | (905) 948-1565 |
| Aec Automation Engineering 401 Alden Rd, Markham L3R 4N4 | (905) 479-5128 |
| Asg Automation Svc Group Inc 3400 14th Ave #22, Markham L3R 0H7 | (905) 513-9720 |
| Assemblex Automation Group Inc 825 Denison St, Markham L3R 5E4 | (905) 944-0915 |
| Automation 2000 340 Don Park Rd, Markham L3R 1C5 | (905) 475-3831 |
| Automated Systems Inc 115 Shields Crt, Markham L3R 5H8 | (905) 479-8080 |
| Indelec Automation 20 Steelcase Rd W, Markham L3R 1B2 | (905) 475-9742 |
| Machine & Controls 300 Steelcase Rd W, Markham L3R 2W2 | (905) 415-9205 |
| Modern Control Technology Inc 181 Bentley St, Markham L3R 3Y1 | (905) 479-8545 |
| Progressive Automation 500 Alden Rd, Markham L3R 5H5 | (905) 475-3135 |
| Promac Automation 160 Gibson Dr, Markham L3R 3K1 | (905) 470-1788 |
| Quanser Consulting Inc 80 Esna Park Dr, Markham L3R 2R6 | (905) 940-3575 |
| Sailrail Automated System Inc 3200 14th Ave #6, Markham L3R 0H8 | (905) 948-1500 |
| Central Automation Control Ltd 205 Konrad Cres, Markham L3R 8T9 | (905) 475-2503 |
| Chungho Canada 441 Esna Park Dr, Markham L3R 1H7 | (905) 513-6326 |
| Dynaservo Inc 3950 14th Ave, Markham L3R 0A9 | (905) 479-0175 |