| Business | Phone |
| Alstom Canada Inc 11012 Macleod Trail Se #850, Calgary T2J 6A5 | (403) 278-8498 |
| Alstom Canada Inc 7550 Ogden Dale Rd Se, Calgary T2C 4X9 | (403) 236-0479 |
| Transcanada Turbines Ltd 150 Palmer Rd Ne, Calgary T2E 7R3 | (403) 219-6600 |
| Texacana Turbines Inc 6132 46 St Se, Calgary T2C 4X4 | (403) 720-8080 |
| Elliott Turbomachinery Canada 7710 5 St Se #110, Calgary T2H 2L9 | (403) 259-6315 |