| Business | Phone |
| Aurora Networks Canada Inc 501 Clements Rd W, Ajax L1S 7H4 | (905) 428-7020 |
| Pci Technologies Inc 501 Clements Rd W, Ajax L1S 7H4 | (905) 428-6068 |
| Precision Network Telecom 41 Thorp Cres, Ajax L1T 3T1 | (905) 427-1836 |
| Bayly Communications Inc 105 Green Crt, Ajax L1S 6W9 | (905) 686-1011 |