| Business | Phone |
| A-1 Service Grp 201 Spinnaker Way #12, Concord L4K 4C6 | (905) 669-4095 |
| Tradeport Electronics Group 1750 Steeles Ave W #4, Concord L4K 2L7 | (416) 736-0866 |
| Tradeport Electronics 1750 Steeles Ave W, Concord L4K 2L7 | (905) 660-3797 |
| Deltech Industries Inc 45 Casmir Crt, Concord L4K 4H5 | (905) 660-9200 |