| 1 | E.G.L. Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
| 2 | Eagle Rock Operating Company,LLC | Houston, TX 77252 | Oil & Gas Operator | Oct 2015 |
| 3 | Earnest Producing Corporation | Midland, TX 79704 | Oil & Gas Operator | Mar 2025 |
| 4 | Earthstone Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jan 2025 |
| 5 | Eastland Oil Company, The | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
| 6 | Echo Production Inc | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
| 7 | Eclipse Oil & Gas, Inc. | Midland, TX 79703 | Oil & Gas Operator | Mar 2025 |
| 8 | Edge Petroleum Oper. Co., Inc. | Houston, TX 77042 | Oil & Gas Operator | Nov 2010 |
| 9 | Edmar Company, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Feb 2020 |
| 10 | El Paso Production Oil & Gas Co. | Houston, TX 77252 | Oil & Gas Operator | Mar 2025 |
| 11 | El Ran, Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Mar 2025 |
| 12 | Element Petroleum Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2015 |
| 13 | Elh Energy LLC | Lubbock, TX 79464 | Oil & Gas Operator | Jan 2025 |
| 14 | Elk Oil Company | Overland Park, KS 66212 | Oil & Gas Operator | Sep 2007 |
| 15 | Elliott Oil Co | Roswell, NM 88202 | Oil & Gas Operator | Nov 2001 |
| 16 | Empire New Mexico LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2025 |
| 17 | Encore Energy Partners Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2015 |
| 18 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Jan 2025 |
| 19 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 20 | Endura Energy LLC | Lubbock, TX 79464 | Oil & Gas Operator | Jan 2025 |
| 21 | Endurance Resources LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2017 |
| 22 | Energen Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2021 |
| 23 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2024 |
| 24 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Nov 2024 |
| 25 | Enerquest Resources, LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2005 |
| 26 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 27 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 28 | EOG A Resources, Inc. | Artesia, NM 88210 | Oil & Gas Operator | Dec 2018 |
| 29 | EOG M Resources, Inc. | Artesia, NM 88211 | Oil & Gas Operator | Dec 2018 |
| 30 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
| 31 | EOG Y Resources Inc | Artesia, NM 88210 | Oil & Gas Operator | Feb 2019 |
| 32 | Eor Operating Company | Houston, TX 77079 | Oil & Gas Operator | Mar 2025 |
| 33 | Ernie L Hegwer Ind | Hobbs, NM 88240 | Oil & Gas Operator | Sep 2002 |
| 34 | Ernmar Investments, Inc. | Edmond, OK 73083 | Oil & Gas Operator | Mar 2025 |
| 35 | Erwin Oil & Gas LTD Co | Hobbs, NM 882411506 | Oil & Gas Operator | Apr 2003 |
| 36 | Estoril Producing Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |
| 37 | Etc Oil Co. | Pecos, TX 79772 | Oil & Gas Operator | Mar 2004 |
| 38 | Etl Hydrocarbons, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Mar 2025 |
| 39 | Eunice Well Service Inc | Eunice, NM 88231 | Oil & Gas Operator | Jan 2000 |
| 40 | Euratex Corp | Glade Park, CO 81523 | Oil & Gas Operator | Sep 1996 |
| 41 | Evans Oil Company Inc | Eunice, NM 88231 | Oil & Gas Operator | Feb 2007 |
| 42 | Everquest Energy Corporation | Fredericksbrg, TX 78624 | Oil & Gas Operator | Mar 2025 |
| 43 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Dec 2024 |
| 44 | Extex Operating Company | Houston, TX 77057 | Oil & Gas Operator | Mar 2025 |
| 45 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Mar 2025 |