| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Shadco | Worland, WY 82401 | Oil & Gas Operator | Aug 2025 |
| 2 | Smith, Loren E. And Foster, Chas. P. | Broomfield, CO 80020 | Oil Operator | Feb 2026 |
| 3 | Soap Creek Associates, Inc. | Broomfield, CO 80020-2995 | Oil Operator | Feb 2026 |
| 4 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
| 5 | Storm Cat Energy USA Operating Corp | Denver, CO 80202 | Gas Operator | Jun 2017 |
| 6 | Summit Gas Resources Inc | Sheridan, WY 82801 | Gas Operator | Dec 2023 |