| Business | Phone |
| King Energy Inc 510 5 St Sw #1510, Calgary T2P 3S2 | (403) 269-3373 |
| R & H Chemical Engineering Ltd 715 5 Ave Sw #610, Calgary T2P 2X6 | (403) 269-3372 |
| C & M Engineering Ltd 2805 12 St Ne, Calgary T2E 7J2 | (403) 250-7081 |
| Corrpro Canada Inc 807 Manning Rd Ne #200, Calgary T2E 7M8 | (403) 235-6400 |