| 1 | Aries Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | Feb 2009 |
| 2 | Bailer And Deshaw | | Oil Operator | Dec 2020 |
| 3 | Bailer Oil Company LLC | | Oil Operator | Dec 2025 |
| 4 | Bauer Bros | | Oil Operator | Dec 2025 |
| 5 | Bellwether Exploration Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 6 | Benchley Donald C | | Oil Operator | Jul 2012 |
| 7 | Benchley Donald P And Benchley Jeffrey P | | Oil Operator | Dec 2020 |
| 8 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2025 |
| 9 | Bucky LTD | | Oil Operator | Dec 2020 |
| 10 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2026 |
| 11 | Cozart Producers | | Oil Operator | Dec 2025 |
| 12 | Federated Oil And Gas Properties Inc | | Oil & Gas Operator | Dec 2025 |
| 13 | H And H Star Energy Inc Dba Petrostar Energy | | Oil & Gas Operator | Feb 2004 |
| 14 | H And K Resources Inc | | Oil Operator | Dec 2012 |
| 15 | Hasso Energy LLC | | Oil & Gas Operator | Jan 2026 |
| 16 | Henry Sappington Machine & Tool Dba Henry Sappingt | | Oil Operator | Oct 2017 |
| 17 | Howard Energy Co Inc | | Oil & Gas Operator | Aug 2011 |
| 18 | Jordan Development Company LLC | Traverse City, MI 49686 | Oil & Gas Operator | Dec 2025 |
| 19 | Kughn | | Oil Operator | Sep 2019 |
| 20 | Lease Management Inc | | Oil & Gas Operator | Jan 2026 |
| 21 | Long Jack Senior | | Oil Operator | Jan 2004 |
| 22 | M R Ventures LLC | Dallas, TX 75367 | Oil & Gas Operator | Dec 2025 |
| 23 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Jan 2026 |
| 24 | Matrex LLC | | Gas Operator | May 2006 |
| 25 | Miller Energy Company II LLC | | Oil & Gas Operator | Jan 2026 |
| 26 | Miller Raymond V | | Oil Operator | Jul 2007 |
| 27 | Moskowitz Charles J | | Oil Operator | Feb 2014 |
| 28 | Moskowitz Oil & Gas LLC | | Oil Operator | Oct 2025 |
| 29 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Mar 2026 |
| 30 | Nagy Joseph | | Oil Operator | Dec 2014 |
| 31 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 32 | Northshore Petroleum LLC | | Oil Operator | Feb 2009 |
| 33 | Okemah Production Inc | | Oil Operator | Dec 2005 |
| 34 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
| 35 | R S E C LLC | | Oil & Gas Operator | Nov 2002 |
| 36 | Ranch Production LLC | | Oil & Gas Operator | Jan 2026 |
| 37 | Rayburn Oil Co Inc | | Oil & Gas Operator | Dec 2024 |
| 38 | Sappington Crude Oil Inc | | Oil & Gas Operator | Dec 2024 |
| 39 | Sappington Henry | | Oil Operator | Dec 2010 |
| 40 | Sappington Walter B Dianne M | | Oil Operator | Dec 2025 |
| 41 | Sterling Operators Inc | | Oil Operator | Dec 2025 |
| 42 | Summit Essexville Inc | | Oil Operator | Dec 2014 |
| 43 | Summit Petroleum Corp And Muskegon Development C | | Oil Operator | Dec 2006 |
| 44 | Trendwell Energy Corporation | | Oil & Gas Operator | Oct 2025 |
| 45 | Tuscola Energy Inc | | Oil & Gas Operator | Dec 2025 |
| 46 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2026 |
| 47 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |