| Business | Phone |
| Alberta Oil Tool 2323 32 Ave Ne #205, Calgary T2E 6Z3 | (403) 291-3900 |
| Hitec Drilling & Marine Systms 1616 Meridian Rd Ne, Calgary T2A 2P1 | (403) 299-1350 |
| Kayden Instruments Inc 3368 114 Ave Se, Calgary T2Z 3V6 | (403) 253-1423 |
| Peacock Inc 2715 18 St Ne, Calgary T2E 7E6 | (403) 250-7000 |
| Pickford Group 519 Manitou Rd Se, Calgary T2G 4C2 | (403) 571-0571 |
| Bhd Instrumentation & Cntrls 9616 40 St Se, Calgary T2C 2P3 | (403) 259-0169 |
| Sabre Instruments Svc Ltd 6702 Fairmount Dr Se, Calgary T2H 0X3 | (403) 258-0566 |
| Siemens Building Technologies 1235 64 Ave Se #1, Calgary T2H 2J7 | (403) 259-3404 |
| Spartan Controls Ltd 305 27 St Se, Calgary T2A 7V2 | (403) 207-0700 |
| Spartech Manufacturing Ltd 301 27 St Se, Calgary T2A 7V2 | (403) 273-5775 |
| Trecon Systems Ltd 5039 13 St Se, Calgary T2G 5N1 | (403) 214-2054 |
| Triquest Engineering Ltd 3716 56 Ave Se #10, Calgary T2C 2B5 | (403) 720-5549 |
| Control Innovations Inc 3516 80 Ave Se #2, Calgary T2C 1J3 | (403) 720-0277 |
| Control Microsystems Inc 4620 Manilla Rd Se, Calgary T2G 4B7 | (403) 243-8955 |
| Daniel Computing Systems Inc 3359 27 St Ne #184, Calgary T1Y 5E4 | (403) 264-5937 |
| Dresser Flow Control 311 6 Ave Sw #1300, Calgary T2P 3H2 | (403) 290-0001 |
| Dynatrol Systems Inc 4656 Westwinds Dr Ne #601, Calgary T3J 3Z5 | (403) 235-5611 |
| Exacta Controls Ltd 5020 12a St Se, Calgary T2G 5K9 | (403) 287-9411 |
| Fotron Control Systems Inc 7058 Farrell Rd Se #F, Calgary T2H 0T2 | (403) 253-4224 |