| Business | Phone |
| Sayal Electronics 440 Phillip St #1, Waterloo N2L 5R9 | (519) 886-0186 |
| Torbram Electric Supply 85 Northland Rd #2, Waterloo N2V 1Y8 | (519) 884-7770 |
| Waterloo Electronics Supply Co 219 Hartwood Ave, Waterloo N2J 1B2 | (519) 745-9421 |
| Westburne Supply Ontario 75 Northland Rd #B, Waterloo N2V 1Y8 | (519) 746-0330 |
| Brimtronics 169 Lexington Crt #B2, Waterloo N2J 4R3 | (519) 747-9995 |
| Chartwell Electronics Inc 401 Strawberry Cres, Waterloo N2K 3J4 | (519) 746-1634 |
| Electra Supply Inc 588 Colby Dr, Waterloo N2V 1A2 | (519) 888-7550 |