| Business | Phone |
| Ashton Electronic Industries Po Box 5361 Stn A, Calgary T2H 1X8 | (403) 212-1388 |
| Kristian Electric Ltd 4215 64 Ave Se, Calgary T2C 2C8 | (403) 292-9111 |
| Maintech Electronics Ltd 5309 Rundlehorn Dr Ne #2, Calgary T1Y 2C2 | (403) 285-7274 |
| Palco Telecom Ltd 7825 Flint Rd Se, Calgary T2H 1G3 | (403) 255-4481 |
| Pca Power Systems Svc 7003 5 St Se #D, Calgary T2H 2G2 | (403) 640-2868 |
| Q-Tron Ltd 3855 64 Ave Se, Calgary T2C 2V5 | (403) 279-0805 |
| Space Age Electronics 7519 30 St Se #A, Calgary T2C 1V4 | (403) 279-8206 |
| Gyanel Corp Box 35087, Sarcee PO, Calgary T3E7C7 | (403) 242-6263 |