| Business | Phone |
| Anadarko Canada Corp 1825 Bomford Cres Sw #40, Medicine Hat T1A 5E8 | (403) 580-2424 |
| Husky Energy 444 2 St Se, Medicine Hat T1A 0C3 | (403) 526-4052 |
| Husky Energy 929 South Railway St Se #3, Medicine Hat T1A 2W3 | (403) 529-1188 |
| Shell Canada Ltd 1902 10 Ave Sw, Medicine Hat T1A 7T9 | (403) 526-2669 |
| Murray Petroleum Sales Ltd 1802 10 Ave Sw, Medicine Hat T1A 7T9 | (403) 527-6411 |
| Petro-Canada Po Box 850 Lcd 1, Medicine Hat T1A 7G7 | (403) 839-3917 |
| Provident Energy Ltd 3 Taylor Cir Se, Medicine Hat T1B 4B4 | (403) 526-5560 |
| Catalyst Recovery Canada Ltd 2159 Brier Park Pl Nw, Medicine Hat T1C 1S7 | (403) 527-4400 |
| Ganze-Reece Operations Ltd 579 3 St Se #305, Medicine Hat T1A 0H2 | (403) 526-9700 |