| Business | Phone |
| Automation Services 96 Bowes Rd #12, Concord L4K 1J7 | (905) 738-1265 |
| Hermetech Systems Inc 390 Edgeley Blvd, Concord L4K 3Z6 | (905) 660-1553 |
| Parsec Engineering 21 Bradwick Dr #18, Concord L4K 1K6 | (905) 669-6470 |
| Rae-Den Electrical Mfg 1 Applewood Cres, Concord L4K 4K1 | (416) 230-4460 |
| Syntek Inc 11 Creditstone Rd, Concord L4K 2P1 | (905) 660-9990 |
| Falcon Hi Tec Inc 16 Spinnaker Way, Concord L4K 2T8 | (905) 669-8188 |