| Business | Phone |
| B J Svc Co Canada 801 6 Ave Sw #1300, Calgary T2P 4E1 | (403) 531-5151 |
| Pi Resource Consultants Ltd 3801 8 St Sw, Calgary T2T 3B1 | (403) 243-5754 |
| Well Site Gas Detection Inc 2010 30 Ave Ne #1, Calgary T2E 7K9 | (403) 230-0630 |
| Wellco Energy Svc 5353 94 Ave Se, Calgary T2C 4E5 | (403) 265-0002 |
| Brenntag Canada 777 8 Ave Sw #1900, Calgary T2P 3R5 | (403) 263-8660 |