| 1 | L.O.G. Energy Exploration, LTD. | Laredo, TX 78041 | Oil & Gas Operator | Dec 2025 |
| 2 | L.T.D. Explorations Inc. | Alice, TX 78333 | Oil & Gas Operator | Dec 2025 |
| 3 | Lacy, F. B. Inc. | Houston, TX 77055 | Oil & Gas Operator | Sep 1997 |
| 4 | Lakeshore Operating, LLC | Wichita, KS 67203 | Oil & Gas Operator | Dec 2025 |
| 5 | Lakewood Operating, LTD. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 6 | Laredo Energy | Houston, TX 77002 | Oil & Gas Operator | Jun 2016 |
| 7 | Laredo Energy Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Nov 2022 |
| 8 | Laredo Energy, LP | Houston, TX 77040 | Oil & Gas Operator | Oct 2003 |
| 9 | Lawbar Petroleum, Inc. | Tuleta, TX 78162 | Oil & Gas Operator | Aug 2003 |
| 10 | Legend Natural Gas II, LP | Houston, TX 77094 | Oil & Gas Operator | Feb 2015 |
| 11 | Legend Natural Gas III, LP | Houston, TX 77094 | Oil & Gas Operator | Feb 2015 |
| 12 | Lewis Petro Properties, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 2025 |
| 13 | LGDC Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2025 |
| 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 | Llog Exploration Offshore, Inc. | Covington, LA 70433 | Oil & Gas Operator | Aug 2004 |
| 17 | LMP Petroleum, Inc. | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Jan 2010 |
| 18 | Lobo Energy, Inc. | Laredo, TX 78044 | Oil & Gas Operator | Nov 1996 |
| 19 | Lobo Operating, Inc. | Houston, TX 77077 | Oil & Gas Operator | Dec 2024 |
| 20 | Lobo Resources, LTD. | Houston, TX 77077 | Oil & Gas Operator | Apr 1994 |
| 21 | Los Hijos De Sanchez J LLC | Beeville, TX 78102 | Oil Operator | Dec 2025 |
| 22 | LTS Oil & Gas A | Lubbock, TX 79424 | Oil & Gas Operator | Dec 2025 |
| 23 | Luca Resources Group, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 24 | Luttrell, T. Bruce Oil & Gas Opr | Freer, TX 78357 | Oil & Gas Operator | Mar 2008 |
| 25 | Lynd, J. L., Inc. | Austin, TX 78716 | Oil & Gas Operator | Sep 2009 |