| Business | Phone |
| Akita Drilling Ltd 505 3 St Sw #1110, Calgary T2P 3E6 | (403) 292-7979 |
| Jomax Drilling Ltd 505 3 St Sw #1700, Calgary T2P 3E6 | (403) 265-5312 |
| Mc Ginnis Rat Hole Drilling Co 333 11 Ave Sw #400, Calgary T2R 1L9 | (403) 213-4714 |
| Montero Oil Field Svc Ltd 150 6 Ave Sw #4400, Calgary T2P 3Y7 | (403) 716-4500 |
| Nabors Drilling Partnership 808 4 Ave Sw #350, Calgary T2P 3E8 | (403) 514-0060 |
| Nevis Energy Svc Ltd 444 5 Ave Sw #1200, Calgary T2P 2T8 | (403) 543-4466 |
| Baker Hughes Inteq 401 9 Ave Sw #1300, Calgary T2P 3C5 | (403) 537-3459 |
| Beaver Drilling Ltd 500 4 Ave Sw #910, Calgary T2P 2V6 | (403) 265-6472 |
| Tempco Drilling 7015 Macleod Trail Sw #410, Calgary T2H 2K6 | (403) 259-5533 |
| Brinkerhoff Drilling 635 8 Ave Sw #400, Calgary T2P 3M3 | (403) 261-8668 |
| Camaro Drilling 4101 19 St Ne #8, Calgary T2E 6X8 | (403) 250-2431 |
| Corion Diamond Products 250 6 Ave Sw #1800, Calgary T2P 3H7 | (403) 261-8089 |
| Drillers Technology Corp 715 5 Ave Sw #2920, Calgary T2P 2X6 | (403) 261-9877 |
| Ensign Drilling Inc 400 5 Ave Sw #900, Calgary T2P 0L6 | (403) 262-1361 |
| Foothills Diamond Coring Inc 825 8 Ave Sw #904, Calgary T2P 2T3 | (403) 266-5543 |