| Business | Phone |
| Ambler Exploration Inc 6717 Rosewood St, Anchorage 99518 | (907) 522-8263 |
| Denali Drilling Inc 8240 Petersburg St, Anchorage 99507 | (907) 562-2312 |
| Discovery Drilling 11341 Olive Ln, Anchorage 99515 | (907) 344-6431 |
| Malcolm Drilling Inc Anchorage 99503 | (907) 563-6289 |
| Oosik Drilling Inc 7127 Old Seward Hwy, Anchorage 99518 | (907) 349-6531 |
| Tester Drilling Svc Inc 2221 Cinnabar Loop, Anchorage 99507 | (907) 349-7214 |