| 1 | Benelli Oil LLC | | Oil Operator | Dec 2023 |
| 2 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
| 3 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2025 |
| 4 | Deni Frank R | | Oil Operator | Dec 2022 |
| 5 | Elek Aaron III | | Oil Operator | Jul 2005 |
| 6 | Elek Aaron III Estate | | Oil Operator | Feb 2015 |
| 7 | F And S Deni LLC | | Oil Operator | Dec 2024 |
| 8 | H And H Star Energy Inc Dba Petrostar Energy | | Oil & Gas Operator | Feb 2004 |
| 9 | Hardy And Hardy Consulting LLC | | Oil & Gas Operator | Dec 2024 |
| 10 | Howard Energy Co Inc | Traverse City, MI 49684 | Oil & Gas Operator | Jun 2014 |
| 11 | Jordan Development Company LLC | Traverse City, MI 49686 | Oil & Gas Operator | Dec 2024 |
| 12 | Jordan Energy Exploration Co LLC | | Oil Operator | Dec 2022 |
| 13 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Mar 2025 |
| 14 | Lease Management Inc | | Oil & Gas Operator | Jul 2024 |
| 15 | Long Jack Senior | | Oil Operator | Jan 2004 |
| 16 | Marathon Oil Company | Houston, TX 77024 | Oil & Gas Operator | Jan 2025 |
| 17 | Miller Energy Company II LLC | | Oil & Gas Operator | Dec 2024 |
| 18 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Mar 2025 |
| 19 | Muskegon Operating Company LLC | | Oil & Gas Operator | Jan 2025 |
| 20 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 21 | Nuenergy LLC | | Oil & Gas Operator | Dec 2024 |
| 22 | Okemah Production Inc | | Oil Operator | Dec 2005 |
| 23 | R S E C LLC | | Oil & Gas Operator | Nov 2002 |
| 24 | Ranch Production LLC | | Oil & Gas Operator | Jun 2024 |
| 25 | Schnell Louis L | | Oil Operator | Dec 2018 |
| 26 | Summit Petroleum Corp Of MT Pleasant | | Oil & Gas Operator | Dec 2007 |
| 27 | Tallman Industries Inc | | Oil Operator | Dec 2024 |
| 28 | Tallman Trust Co | | Oil Operator | Dec 2024 |
| 29 | Tluczek Operating Corporation LLC | | Oil Operator | Oct 2024 |
| 30 | V C P Michigan, LLC | | Oil & Gas Operator | Jan 2025 |
| 31 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | Dec 2024 |
| 32 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 33 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2018 |