| 1 | La VIda Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 1993 |
| 2 | Laguna Petroleum Corporation | Houston, TX 77046 | Oil & Gas Operator | Apr 2026 |
| 3 | Laguna Texas Resources, LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2026 |
| 4 | Lakewood Operating, LTD. | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 5 | Landreth, Robert E. | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 6 | Lario Oil & Gas Company | Odessa, TX 79762 | Oil & Gas Operator | Apr 2026 |
| 7 | Laron Oil Corporation | Seguin, TX 78155 | Oil & Gas Operator | Jul 1997 |
| 8 | Lavanco Energy, LTD. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2024 |
| 9 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | Apr 2026 |
| 10 | Leigh Operating Co | Dallas, TX 75205 | Oil & Gas Operator | Mar 2008 |
| 11 | Levinson Partners Corporation | Denver, CO 80202 | Oil & Gas Operator | Jul 1995 |
| 12 | Libertad Operating LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2026 |
| 13 | Limark Corporation | Midland, TX 79702 | Oil & Gas Operator | Dec 2003 |
| 14 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 15 | Linn Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 16 | Lomak Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 1998 |
| 17 | Lone Star Oil & Gas | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 18 | Longhorn Oil Properties, Inc. | Pottsboro, TX 75076 | Oil & Gas Operator | Apr 2026 |
| 19 | Los Hijos De Sanchez J LLC | Beeville, TX 78102 | Oil Operator | Apr 2026 |
| 20 | Lovelady, I. W. | Albuquerque, NM 87111 | Oil & Gas Operator | Jan 1996 |
| 21 | LPR Energy, LLC | Dallas, TX 75219 | Oil & Gas Operator | Apr 2026 |
| 22 | Lynx Energy Company, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2008 |