| Business | Phone |
| Rockwell Automation Canada Inc 135 Dundas St, Cambridge N1R 5N9 | (519) 740-4100 |
| Siemens Hearing Instruments 320 Pinebush Rd #7, Cambridge N3C 2V3 | (519) 622-5200 |
| Wellmark Electric Inc 655 Industrial Rd #7, Cambridge N3H 5C9 | (519) 650-4495 |
| Egs Electrical Grp Canada 750 Lawrence St, Cambridge N3H 2N1 | (519) 653-2581 |
| Engineered Electric Controls 230 Sheldon Dr, Cambridge N1T 1A8 | (519) 621-5370 |