| Hilcorp Alaska, LLC | 3,284 | 4,693 |
| ConocoPhillips Alaska, Inc. | 2,116 | 3,221 |
| Cook Inlet Energy, LLC. | 34 | 76 |
| Oil Search (Alaska), LLC | 32 | 53 |
| Bluecrest Alaska Operating LLC | 26 | 41 |
| North Slope Borough | 18 | 40 |
| USGS | 18 | 22 |
| HEX Operating, LLC | 7 | 14 |
| Cook Inlet Natural Gas Storage Alaska, LLC | 7 | 7 |
| Amaroq Resources, LLC | 6 | 6 |
| Mustang Holding, LLC | 4 | 7 |
| AIX Energy LLC | 3 | 5 |
| ASRC Consulting & Environmental Services, LLC | 3 | 4 |
| Great Bear Pantheon, LLC | 2 | 10 |
| Alaskan Crude Corporation | 1 | 18 |
| Brooks Range Petroleum | 1 | 14 |
| Unaatuq, LLC | 1 | 4 |
| Wallace Mining Company | 1 | 2 |
| BP Exploration (Alaska) Inc. | 0 | 1,765 |
| ARCO Alaska Inc. | 0 | 484 |
| Union Oil Company of California | 0 | 229 |
| Hilcorp North Slope, LLC | 0 | 126 |
| US Dept of Interior | 0 | 114 |
| Eni US Operating Co. Inc. | 0 | 107 |
| Chevron USA Inc. | 0 | 58 |
| Amoco Production Company | 0 | 47 |
| Exxon Corporation | 0 | 39 |
| Pan American | 0 | 39 |
| Atlantic Richfield Company | 0 | 38 |
| Texaco Inc. | 0 | 36 |
| Marathon Oil Company | 0 | 32 |
| Mobil Oil Corporation | 0 | 31 |
| Shell Oil Company | 0 | 31 |
| Shell Western E&P Inc. | 0 | 30 |
| Standard Oil Company of California | 0 | 30 |
| Sohio Alaska Petroleum Company | 0 | 29 |
| Pioneer Natural Resources Alaska Inc. | 0 | 25 |
| Repsol E&P USA, Inc. | 0 | 20 |
| Phillips Petroleum Company | 0 | 17 |
| Aurora Gas LLC. | 0 | 15 |
| CIRI Production Company | 0 | 14 |
| Colorado Oil & Gas | 0 | 14 |
| ASRC Energy Services Alaska, Inc | 0 | 12 |
| Gulf Oil Corporation | 0 | 12 |
| Anadarko Petroleum Corporation | 0 | 11 |
| Plugging Inlet, LLC | 0 | 11 |
| Alaska Development Company | 0 | 10 |
| BP Alaska Inc. | 0 | 10 |
| Chilkat Oil Company | 0 | 9 |
| Richfield Oil Corporation | 0 | 9 |