| 1 | L & F Drilling Co., Inc. (1) | Corpus Chrsti, TX 78479 | Oil & Gas Operator | Mar 2025 |
| 2 | L.L. Oil Company | Freer, TX 78357 | Oil & Gas Operator | Mar 2025 |
| 3 | L.T.D. Explorations Inc. | Alice, TX 78333 | Oil & Gas Operator | Mar 2025 |
| 4 | Lakeshore Operating, LLC | Wichita, KS 67203 | Oil & Gas Operator | Mar 2025 |
| 5 | Lance Exploration Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 1994 |
| 6 | Lario Oil & Gas Company | Odessa, TX 79762 | Oil & Gas Operator | Mar 2025 |
| 7 | Laroca Resources, LTD | Austin, TX 78709 | Oil & Gas Operator | Mar 2025 |
| 8 | Laughlin, W. M. Estate | Premont, TX 78375 | Oil & Gas Operator | Jun 2003 |
| 9 | Layton Energy Inc. | Houston, TX 77027 | Oil & Gas Operator | Mar 2025 |
| 10 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | Mar 2025 |
| 11 | Legend Natural Gas III, LP | Houston, TX 77094 | Oil & Gas Operator | Feb 2015 |
| 12 | LGDC Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2025 |
| 13 | Lighthouse Exploration, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Jul 2007 |
| 14 | Lighthouse Operating, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Jun 2021 |
| 15 | Linn Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 16 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 17 | Live Oak Gas Company | Dallas, TX 75251 | Oil & Gas Operator | Mar 2025 |
| 18 | Live Oak Op & Production, L.L.C. | Austin, TX 78759 | Oil & Gas Operator | Nov 2011 |
| 19 | Live Oak Reserves, Inc. | Houston, TX 77019 | Oil & Gas Operator | Mar 2025 |
| 20 | Live Oak/Operations, Inc. | Houston, TX 77019 | Gas Operator | Jul 2011 |
| 21 | LMP Exploration Operating, LLC | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Feb 2008 |
| 22 | LMP Petroleum, Inc. | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Jan 2010 |
| 23 | Lobo Energy, Inc. | Laredo, TX 78044 | Oil & Gas Operator | Nov 1996 |
| 24 | Lobo Operating, Inc. | Houston, TX 77077 | Oil & Gas Operator | Dec 2024 |
| 25 | Lobo Resources, LTD. | Houston, TX 77077 | Oil & Gas Operator | Apr 1994 |
| 26 | Loin Energy Corporation | La Grange, TX 78945 | Oil & Gas Operator | Mar 2025 |
| 27 | Lomak Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 1998 |
| 28 | Lorac, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Mar 2025 |
| 29 | Louisiana Land & Exploration Co. | Houston, TX 77210 | Oil & Gas Operator | Sep 2013 |
| 30 | LTS Oil & Gas | Lubbock, TX 79424 | Oil & Gas Operator | Mar 2025 |
| 31 | LTS Oil & Gas A | Lubbock, TX 79424 | Oil & Gas Operator | Mar 2025 |
| 32 | Luca Resources Group, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 33 | Lucros International Corporation | Van Buren, AR 72956 | Oil & Gas Operator | Mar 2025 |
| 34 | Luling O&G LLC | Cibolo, TX 78108 | Oil & Gas Operator | Mar 2025 |
| 35 | Lundells, Inc. | Freer, TX 78357 | Oil & Gas Operator | Jan 1995 |
| 36 | Luttrell, T. Bruce Oil & Gas Opr | Freer, TX 78357 | Oil & Gas Operator | Mar 2008 |
| 37 | Lyco Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Jun 2015 |
| 38 | Lynd, J. L., Inc. | Austin, TX 78716 | Oil & Gas Operator | Sep 2009 |
| 39 | Lynx Energy Company, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2008 |
| 40 | Lynx Operating Co., Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 2025 |