| Business | Phone |
| Aci Intl 400 Creditstone Rd, Concord L4K 3Z3 | (905) 738-9560 |
| Anderson Communications 400 Creditstone Rd, Concord L4K 3Z3 | (905) 660-4460 |
| Arae Systems Inc 2900 Langstaff Rd #13, Concord L4K 4R9 | (905) 738-9661 |
| Electra Enterprises 390 Edgeley Blvd, Concord L4K 3Z6 | (905) 669-8450 |