| 1 | L.C.S. Production Company | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 2 | Laguna Petroleum Corporation | Houston, TX 77046 | Oil & Gas Operator | Feb 2026 |
| 3 | Lakewood Operating, LTD. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 4 | Lariat Land & Exploration, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 5 | Lawrence Energy Company | Abilene, TX 79602 | Oil & Gas Operator | Feb 2026 |
| 6 | Leclair Operating Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Feb 2026 |
| 7 | Leclair Operating, L.L.C. | Abilene, TX 79602 | Oil & Gas Operator | Feb 2026 |
| 8 | Ledbetter, Jerald D. Estate Of | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 9 | Ledbetter, Jerald D. Oil Company | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 2007 |
| 10 | Ledger Operating Corporation | Abilene, TX 79601 | Oil Operator | Feb 2026 |
| 11 | Lime Creek Enterprises | Aztec, NM 87410 | Oil & Gas Operator | Aug 2008 |
| 12 | Line Energy LLC | Columbus, NE 68601 | Oil Operator | Apr 2025 |
| 13 | Littlepage, Tommy | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 14 | Lomax Operating Company, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Jun 2011 |
| 15 | Lone Star Gas Co. | Dallas, TX 75201 | Oil & Gas Operator | Jul 1999 |
| 16 | Lone Star Pipeline Company | Dallas, TX 75201 | Oil & Gas Operator | Jul 1999 |
| 17 | Lone Star Production | Lawn, TX 79530 | Oil & Gas Operator | Feb 2026 |
| 18 | Lorac, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Feb 2026 |
| 19 | Los Hijos De Sanchez J LLC | Beeville, TX 78102 | Oil Operator | Feb 2026 |
| 20 | Lovelady, I. W. | Albuquerque, NM 87111 | Oil & Gas Operator | Jan 1996 |
| 21 | Low-End Oil LLC | Austin, TX 78748 | Oil Operator | Feb 2026 |
| 22 | LP Robinson Holdings, L.L.C. | Abilene, TX 79608 | Oil Operator | Feb 2026 |
| 23 | LTS Oil & Gas | Lubbock, TX 79424 | Oil & Gas Operator | Feb 2026 |
| 24 | Lynx Oil Co., Inc. | Denton, TX 76207 | Oil & Gas Operator | Sep 2003 |
| 25 | Lytle Creek Operating, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Feb 2026 |