| 1 | Eagle Capital Partners, LLC | Eunice, NM 88231 | Oil & Gas Operator | Nov 2024 |
| 2 | Eagle Energy Resources, LLC | La Porte, TX 77571 | Oil & Gas Operator | Nov 2024 |
| 3 | Eagle Natural Resources, LLC | Eunice, NM 88231 | Oil Operator | Nov 2024 |
| 4 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Nov 2024 |
| 5 | Earthstone Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Nov 2024 |
| 6 | Edge Petroleum Oper. Co., Inc. | Houston, TX 77042 | Oil & Gas Operator | Nov 2010 |
| 7 | Edwards, Gus Co. | Abilene, TX 79603 | Oil & Gas Operator | Jun 2004 |
| 8 | Eex E&P Company, L.P. | Houston, TX 77060 | Oil & Gas Operator | Jul 2003 |
| 9 | El Paso E&P Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2013 |
| 10 | El Paso E&P Zapata, L.P. | Houston, TX 77002 | Oil & Gas Operator | Dec 2010 |
| 11 | El Paso Production Oil & Gas Co. | Houston, TX 77252 | Oil & Gas Operator | Nov 2024 |
| 12 | Elliott Oil & Gas Company | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2006 |
| 13 | Elliott Oil & Gas Operating Co. | Magnolia, TX 77354 | Oil & Gas Operator | Nov 2024 |
| 14 | En Geo, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Nov 2024 |
| 15 | Encina Resources, LLC | Houston, TX 77251 | Oil & Gas Operator | Nov 2024 |
| 16 | Endeavor Natural Gas, LP | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 17 | Enercorp Resources, Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 1993 |
| 18 | Energy 2000, Inc. | Reno, NV 89501 | Oil & Gas Operator | Nov 2024 |
| 19 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2023 |
| 20 | Energy Transfer Fuel, LP | Houston, TX 77002 | Oil & Gas Operator | Apr 2005 |
| 21 | Enerquest Operating, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Nov 2024 |
| 22 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 23 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
| 24 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 25 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |
| 26 | Escondido Resources GP, LLC | Midland, TX 79708 | Oil & Gas Operator | Dec 2007 |
| 27 | Escudo Oil & Gas, LLC | Houston, TX 77006 | Oil & Gas Operator | Nov 2024 |
| 28 | Esenjay Petroleum Corp. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jul 1998 |
| 29 | Etc Texas Pipeline, LTD. | San Antonio, TX 78258 | Oil Operator | Sep 2023 |
| 30 | Etoco Incorporated | Houston, TX 77002 | Oil & Gas Operator | May 2005 |
| 31 | Evans, S. Lavon Jr. Oper. Co. | Laurel, MS 39442 | Oil & Gas Operator | Nov 2024 |
| 32 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
| 33 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Nov 2024 |