| Business | Phone |
| Automation Instruments Mfg Inc 2121 39 Ave Ne #E, Calgary T2E 6R7 | (403) 443-7147 |
| Imaging Systems Group Inc 911 28 St Ne, Calgary T2A 7X1 | (403) 204-1977 |
| Nor'West Controls Canada Inc Po Box 76038 Rpo Shawnessy, Calgary T2Y 2Z9 | (403) 938-2503 |
| Tele-Optics 2026 8 Ave Se, Calgary T2G 0N8 | (403) 265-5901 |