| Business | Phone |
| A & T Surfacemount Tech Inc 219 Connie Cres #1, Concord L4K 1L4 | (905) 761-1288 |
| Alba Tech Sales Group 329 Millway Ave, Concord L4K 4T3 | (905) 660-8807 |
| Apptal 130 Bradwick Dr #8, Concord L4K 1K8 | (905) 660-7464 |
| Arrow Canada Ltd 300 North Rivermede Rd, Concord L4K 3N6 | (905) 738-1071 |
| House Of Electrical Supplies 299 Basaltic Rd #2, Concord L4K 4W8 | (905) 417-1311 |
| Jansonic 665 Millway Ave, Concord L4K 3T8 | (905) 738-0998 |
| Links Electronics 34 Futurity Gate #13, Concord L4K 1S6 | (905) 660-5588 |
| Ruggedcom Inc 64 Jardin Dr, Concord L4K 3P3 | (905) 760-7799 |
| Merlin Marketing Inc 3300 Steeles Ave W, Concord L4K 2Y4 | (905) 761-5630 |
| Nedco 8001 Jane St, Concord L4K 2M7 | (905) 738-4672 |
| Rose Enterprises Inc 50 Ritin Lane #24, Concord L4K 4C9 | (905) 738-8881 |
| Trade Electric 99 Sante Dr, Concord L4K 3C4 | (416) 213-7111 |
| Trimate Electric Supply 2800 Langstaff Rd, Concord L4K 4Y5 | (416) 633-2999 |
| Trimate Electric Supply Ltd 2800 Langstaff Rd, Concord L4K 4Y5 | (905) 660-5590 |
| Connectric Systems Inc 207 Edgeley Blvd, Concord L4K 4B5 | (905) 669-0080 |
| Votron Electronics Inc 250 Rayette Rd #25, Concord L4K 2G6 | (905) 669-9870 |
| Canadian Electrical Factors 8575 Keele St, Concord L4K 3P4 | (905) 738-9005 |
| Concord Electric Supply Ltd 329 Millway Ave, Concord L4K 4T3 | (905) 761-8888 |
| Concord Temperature Control 259 Edgeley Blvd #7, Concord L4K 3Y5 | (905) 660-7572 |
| Delta Motion Inc 51 Ritin Lane #3, Concord L4K 4E1 | (905) 760-1904 |
| Exselect Engineering Ltd 150 Connie Cres, Concord L4K 1L9 | (905) 738-4077 |
| First Base Inc 160 Bradwick Dr, Concord L4K 1K8 | (905) 660-6780 |