| 1 | L A Productions | Sunset, TX 76270 | Oil & Gas Operator | Nov 2024 |
| 2 | Lakota Energy, LTD. | Paradise, TX 76073 | Oil & Gas Operator | Nov 2024 |
| 3 | Large Operating LLC | Stinnett, TX 79083 | Oil & Gas Operator | Nov 2024 |
| 4 | Latigo Oil And Gas Inc | Woodward, OK 73801 | Oil & Gas Operator | Sep 2024 |
| 5 | Leclair Operating Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Nov 2024 |
| 6 | Legacy Exploration, LLC I | Dallas, TX 75201 | Oil & Gas Operator | Nov 2024 |
| 7 | Legend Natural Gas IV, LP | Houston, TX 77094 | Oil & Gas Operator | Feb 2015 |
| 8 | Legend Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | May 2010 |
| 9 | Lime Rock Resources IV-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 10 | Lindsay Oil Operations | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2010 |
| 11 | Lindsay, Robert L. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 1995 |
| 12 | Littlepage, Tommy | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 13 | LKM Oil & Gas | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2024 |
| 14 | Llewellin Operating Company, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2017 |
| 15 | London Petroleum Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Nov 2024 |
| 16 | Loutex Production Company | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2024 |
| 17 | Lowrance, Gene | Chico, TX 76431 | Oil & Gas Operator | Aug 2003 |
| 18 | Luxor Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2017 |
| 19 | Lynx Oil Co., Inc. | Denton, TX 76207 | Oil & Gas Operator | Sep 2003 |