| 1 | E G Operating Co | Austin, TX 78746 | Oil & Gas Operator | Jun 1997 |
| 2 | E L Fundingsland | Littleton, CO 80160 | Oil & Gas Operator | Jun 2016 |
| 3 | E.G.L. Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 4 | Eagle Resources LP Dba Ted Hoskinson | Roswell, NM 882023900 | Oil & Gas Operator | Dec 2008 |
| 5 | Eagle Rock Operating Company,LLC | Houston, TX 77252 | Oil & Gas Operator | Oct 2015 |
| 6 | Earnest Producing Corporation | Midland, TX 79704 | Oil & Gas Operator | Jun 2025 |
| 7 | Earthstone Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Mar 2025 |
| 8 | Eastland Oil Company, The | Midland, TX 79702 | Oil & Gas Operator | Jun 2025 |
| 9 | Echo Production Inc | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 10 | Eclipse Oil & Gas, Inc. | Midland, TX 79703 | Oil & Gas Operator | Jun 2025 |
| 11 | Edge Petroleum Oper. Co., Inc. | Houston, TX 77042 | Oil & Gas Operator | Nov 2010 |
| 12 | Edmar Company, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Feb 2020 |
| 13 | Edwards Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Jun 2025 |
| 14 | El Pamco Inc | Albuquerque, NM 87191 | Gas Operator | Mar 2020 |
| 15 | El Paso Gas Marketing | Unknown, NM 99999 | Oil & Gas Operator | Feb 1997 |
| 16 | El Paso Production Oil & Gas Co. | Houston, TX 77252 | Oil & Gas Operator | Jun 2025 |
| 17 | El Ran, Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Jun 2025 |
| 18 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Apr 2025 |
| 19 | Element Petroleum Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2015 |
| 20 | Elh Energy LLC | Lubbock, TX 79464 | Oil & Gas Operator | Apr 2025 |
| 21 | Elk Oil Company | Overland Park, KS 66212 | Oil & Gas Operator | Sep 2007 |
| 22 | Elk San Juan, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2014 |
| 23 | Elliott A Riggs | Farmington, NM 87499 | Gas Operator | Oct 2012 |
| 24 | Elliott Oil Co | Roswell, NM 88202 | Oil & Gas Operator | Nov 2001 |
| 25 | Elm Ridge Exploration Company LLC | Bloomfield, NM 87413 | Oil & Gas Operator | Nov 2017 |
| 26 | Emerald Gas Operating Co | Durango, CO 81301 | Gas Operator | Aug 1996 |
| 27 | Emkey Companies, LLC | Dallas, TX 75251 | Oil & Gas Operator | May 2016 |
| 28 | Empire New Mexico LLC | Tulsa, OK 74114 | Oil & Gas Operator | Apr 2025 |
| 29 | Encore Energy Partners Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2015 |
| 30 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Apr 2025 |
| 31 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 32 | Endura Energy LLC | Lubbock, TX 79464 | Oil & Gas Operator | Jan 2025 |
| 33 | Endurance Resources LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2017 |
| 34 | Enduring Resources, LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Apr 2025 |
| 35 | Enerdyne, LLC | Albuquerque, NM 87123 | Oil & Gas Operator | Feb 2025 |
| 36 | Energen Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2021 |
| 37 | Energex, LLC | Scottsdale, AZ 85255 | Oil & Gas Operator | Sep 2024 |
| 38 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2024 |
| 39 | Energy Reserves Group | Houston, TX 770563020 | Oil & Gas Operator | Apr 1996 |
| 40 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Mar 2025 |
| 41 | Enerquest Resources, LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2005 |
| 42 | Enerstar Resources LTD Co. | Midland, TX 79701 | Oil & Gas Operator | Jun 2000 |
| 43 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 44 | Enervest San Juan Operating LLC | Durango, CO 81301 | Gas Operator | Jul 2001 |
| 45 | Engineering & Production Service, Inc. | Farmington, NM 87499 | Oil & Gas Operator | Apr 2025 |
| 46 | Enre Corp. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2005 |
| 47 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 48 | EOG A Resources, Inc. | Artesia, NM 88210 | Oil & Gas Operator | Dec 2018 |
| 49 | EOG M Resources, Inc. | Artesia, NM 88211 | Oil & Gas Operator | Dec 2018 |
| 50 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2025 |
| 51 | EOG Y Resources Inc | Artesia, NM 88210 | Oil & Gas Operator | Feb 2019 |
| 52 | Eor Operating Company | Houston, TX 77079 | Oil & Gas Operator | Jun 2025 |
| 53 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | Jan 2023 |
| 54 | Epic Energy LLC | Aztec, NM 87410 | Oil & Gas Operator | Apr 2025 |
| 55 | Ernie L Hegwer Ind | Hobbs, NM 88240 | Oil & Gas Operator | Sep 2002 |
| 56 | Ernmar Investments, Inc. | Edmond, OK 73083 | Oil & Gas Operator | Jun 2025 |
| 57 | Ers Resources, LLC | Irving, TX 75038 | Oil Operator | Sep 2010 |
| 58 | Erwin Oil & Gas LTD Co | Hobbs, NM 882411506 | Oil & Gas Operator | Apr 2003 |
| 59 | Estoril Producing Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |
| 60 | Etc Oil Co. | Pecos, TX 79772 | Oil & Gas Operator | Mar 2004 |
| 61 | Etl Hydrocarbons, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Jun 2025 |
| 62 | Eunice Well Service Inc | Eunice, NM 88231 | Oil & Gas Operator | Jan 2000 |
| 63 | Euratex Corp | Glade Park, CO 81523 | Oil & Gas Operator | Sep 1996 |
| 64 | Evans Oil Company Inc | Eunice, NM 88231 | Oil & Gas Operator | Feb 2007 |
| 65 | Evergreen Operating Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
| 66 | Everquest Energy Corporation | Fredericksbrg, TX 78624 | Oil & Gas Operator | Jun 2025 |
| 67 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Mar 2025 |
| 68 | Extex Operating Company | Houston, TX 77057 | Oil & Gas Operator | Jun 2025 |
| 69 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Jun 2025 |