| Business | Phone |
| Johnson Controls Ltd 6046 12 St Se #120, Calgary T2H 2X2 | (403) 640-1700 |
| Suntech Refrigeration 5307 4 St Se, Calgary T2H 1K6 | (403) 252-6050 |
| Triway Services Ltd 1470 28 St Ne #1, Calgary T2A 7W6 | (403) 291-0611 |
| Carrier Building Systems & Svc 3636 7 St Se #24, Calgary T2G 2Y8 | (403) 243-7244 |
| Carrier Building Systems 3636 7 St Se #24, Calgary T2G 2Y8 | (403) 287-4830 |