| Business | Phone |
| Atco Electric 909 11 Ave Sw #730, Calgary T2R 1L8 | (403) 245-7397 |
| Global Thermoelectric Inc 3700 78 Ave Se #9, Calgary T2C 2L8 | (403) 236-5556 |
| Gridlink Enerflex 5735 7 St Ne, Calgary T2E 8V3 | (403) 295-5195 |
| Simson-Maxwell 6447 2 St Se, Calgary T2H 1J5 | (403) 252-8131 |
| Solar Turbines Canada Ltd 520 5 Ave Sw #420, Calgary T2P 3R7 | (403) 261-2640 |