| 1 | L & B Oil And Gas Equipment, LLC | Palmhurst, TX 78573 | Oil & Gas Operator | Jul 2025 |
| 2 | L & B Production | Big Lake, TX 76932 | Oil & Gas Operator | Jul 2025 |
| 3 | L & D, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | May 2019 |
| 4 | L & F Drilling Co., Inc. (1) | Corpus Chrsti, TX 78479 | Oil & Gas Operator | Jul 2025 |
| 5 | L & G Oil Company | Longview, TX 75606 | Oil & Gas Operator | Aug 2000 |
| 6 | L & G Operating, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2021 |
| 7 | L & H Oil Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 1999 |
| 8 | L & J Exploration, LLC | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Jul 2025 |
| 9 | L & J Oil | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2000 |
| 10 | L & J Oil Co. | Borger, TX 79007 | Oil & Gas Operator | Apr 1999 |
| 11 | L & L Resources, Inc. | Hays, KS 67601 | Oil Operator | Mar 1986 |
| 12 | L & M Operating, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Jul 2025 |
| 13 | L & R Drilling Company | Belle Fourche, SD 57717 | Oil & Gas Operator | Dec 1999 |
| 14 | L & R Energy Corporation | Spearman, TX 79081 | Oil & Gas Operator | Nov 2014 |
| 15 | L & R Petroleum | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 16 | L & S Drilling, Inc. | Kamay, TX 76369 | Oil & Gas Operator | Mar 2016 |
| 17 | L & W Operators | Pampa, TX 79066 | Oil & Gas Operator | Jan 2018 |
| 18 | L A Productions | Sunset, TX 76270 | Oil & Gas Operator | Jul 2025 |
| 19 | L And C Leasing, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2019 |
| 20 | L And L Production Company | Skellytown, TX 79080 | Oil & Gas Operator | Sep 1996 |
| 21 | L L & M Properties, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Aug 2004 |
| 22 | L R Operating Co. | Graford, TX 76449 | Oil & Gas Operator | Jul 2025 |
| 23 | L-83, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 24 | L-R Production | Olney, TX 76374 | Oil & Gas Operator | Jul 2025 |
| 25 | L-Reno Oil And Gas LLC | Graford, TX 76449 | Oil & Gas Operator | Jul 2025 |
| 26 | L-Texx Petroleum, LP | Arlington, TX 76013 | Oil & Gas Operator | Jul 2025 |
| 27 | L. S. K. L. Oil Co. | Buda, TX 78610 | Oil & Gas Operator | Jul 2025 |
| 28 | L.C.S. Production Company | Abilene, TX 79608 | Oil & Gas Operator | Jul 2025 |
| 29 | L.J. Resources, LLC | Graham, TX 76450 | Gas Operator | Jul 2025 |
| 30 | L.J.M. Corporation | Houston, TX 77025 | Oil & Gas Operator | Jun 2012 |
| 31 | L.L. Oil Company | Freer, TX 78357 | Oil & Gas Operator | Jul 2025 |
| 32 | L.O.G. Energy Exploration, LTD. | Laredo, TX 78041 | Oil & Gas Operator | Jul 2025 |
| 33 | L.T.D. Explorations Inc. | Alice, TX 78333 | Oil & Gas Operator | Jul 2025 |
| 34 | L2SG Production, LLC | Nocona, TX 76255 | Oil Operator | May 2020 |
| 35 | L7 Energy LLC | Wichita Falls, TX 76308 | Oil Operator | Jul 2025 |
| 36 | La Aceite Energy, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Jul 2025 |
| 37 | La Campana, Inc. | Port Aransas, TX 78373 | Oil & Gas Operator | Jul 2025 |
| 38 | La Jolla Oil & Gas, Inc. | Frisco, TX 75034 | Oil & Gas Operator | Jul 2025 |
| 39 | La Mar, Paul W. | Nocona, TX 76255 | Oil & Gas Operator | May 1995 |
| 40 | La Parrita Oil & Gas, Inc. | Rosenberg, TX 77471 | Oil & Gas Operator | May 2002 |
| 41 | La Plata Gathering System Inc | Dallas, TX 75206 | Gas Operator | Nov 2023 |
| 42 | La Roca Energy, LP | Dallas, TX 75207 | Oil & Gas Operator | May 2024 |
| 43 | La Ronya Oil & Gas | George West, TX 78022 | Gas Operator | Jul 2025 |
| 44 | La Sara Operating Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2015 |
| 45 | La Vernia Oil | La Vernia, TX 78121 | Oil Operator | Jul 2025 |
| 46 | La Vernia Oil Co. | La Vernia, TX 78121 | Oil & Gas Operator | Aug 2003 |
| 47 | La VIda Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 1993 |
| 48 | Lace Operating | Fort Worth, TX 76114 | Oil & Gas Operator | Jun 1997 |
| 49 | Lackey, William H. Oil And Gas | Shawnee, OK 74804 | Oil & Gas Operator | Feb 2024 |
| 50 | Laclede Operating Co. | Pampa, TX 79065 | Gas Operator | Aug 1999 |
| 51 | Lacy 03, LLC | Gonzales, TX 78629 | Oil & Gas Operator | Jul 2025 |
| 52 | Lacy Operations, LTD. | Longview, TX 75606 | Oil & Gas Operator | Oct 2012 |
| 53 | Lacy, F. B. Inc. | Houston, TX 77055 | Oil & Gas Operator | Sep 1997 |
| 54 | Lacy, J. W., Jr. | Midland, TX 79702 | Oil & Gas Operator | Dec 2007 |
| 55 | Lacy, R., Inc. | Longview, TX 75606 | Oil & Gas Operator | Jan 2002 |
| 56 | Ladd LLC | El Reno, OK 73036 | Oil & Gas Operator | Nov 2018 |
| 57 | Ladd Oil & Gas Corporation | Midland, TX 79711 | Oil & Gas Operator | Dec 2021 |
| 58 | Ladd Operating Company | Midland, TX 79711 | Oil & Gas Operator | Mar 2008 |
| 59 | Ladd Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2004 |
| 60 | Laddex, LTD. | Amarillo, TX 79102 | Oil & Gas Operator | Jul 2025 |
| 61 | Lafonda Energy LLC | Vernon, TX 76384 | Oil Operator | Jul 2025 |
| 62 | Lagarto Company, The | Fredericksbrg, TX 78624 | Oil & Gas Operator | Apr 1995 |
| 63 | Lagerquist, Walter G., Jr. | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2005 |
| 64 | Laguna Oil & Gas Corp. | Weesatche, TX 77993 | Oil & Gas Operator | Jul 2025 |
| 65 | Laguna Petroleum Company | Casper, WY 82601 | Oil & Gas Operator | Dec 1982 |
| 66 | Laguna Petroleum Corporation | Houston, TX 77046 | Oil & Gas Operator | Jul 2025 |
| 67 | Lainco Well Service | Hamlin, TX 79520 | Oil & Gas Operator | Dec 1996 |
| 68 | Lainco Well Service, Inc. | Hamlin, TX 79520 | Oil & Gas Operator | Aug 2011 |
| 69 | Lainco, Inc. | Hamlin, TX 79520 | Oil & Gas Operator | Jul 2025 |
| 70 | Lake Crystal Operating LLC | Sugar Land, TX 77496 | Oil & Gas Operator | Jul 2025 |
| 71 | Lake Ronel Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Jul 2017 |
| 72 | Lakehills Production, Inc. | Austin, TX 78701 | Oil & Gas Operator | Jul 2025 |
| 73 | Lakeshore Operating, LLC | Wichita, KS 67203 | Oil & Gas Operator | Jul 2025 |
| 74 | Lakewood Energy LLC | Dallas, TX 75214 | Oil & Gas Operator | Jul 2025 |
| 75 | Lakewood Operating, LTD. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 76 | Lakota Energy, LTD. | Paradise, TX 76073 | Oil & Gas Operator | Jul 2025 |
| 77 | Laloc | Aspermont, TX 79502 | Oil & Gas Operator | Jul 2025 |
| 78 | Lama Energy, L.L.C. | Midland, TX 79710 | Oil & Gas Operator | May 2024 |
| 79 | Lamar Energy | Nocona, TX 76255 | Oil Operator | Jul 2025 |
| 80 | Lamar Oil & Gas, Inc. | Rockport, TX 78381 | Oil & Gas Operator | Jul 2025 |
| 81 | Lamar Oil Company | Nocona, TX 76255 | Oil & Gas Operator | Oct 2015 |
| 82 | Lamay Corporation | Rosenberg, TX 77471 | Oil & Gas Operator | Jul 2025 |
| 83 | Lamb & Mize | Azle, TX 76020 | Oil & Gas Operator | Jul 2025 |
| 84 | Lamb, James L., Jr. | Austin, TX 78750 | Oil & Gas Operator | Mar 2016 |
| 85 | Lambeck Petroleum, LLC | Stockdale, TX 78160 | Oil Operator | Jul 2025 |
| 86 | Lamco Oil, LLC | Nocona, TX 76255 | Oil & Gas Operator | Jul 2025 |
| 87 | Lamesa Crude | Abilene, TX 79605 | Oil & Gas Operator | Feb 2015 |
| 88 | Lampert Exploration Corporation | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
| 89 | Lance Exploration Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 1994 |
| 90 | Lance Leasing | Odessa, TX 79765 | Oil Operator | Jul 2025 |
| 91 | Lance Oil & Gas Productions | Bloomburg, TX 75556 | Oil & Gas Operator | Jul 2025 |
| 92 | Lancer Petroleum Corporation | Irving, TX 75014 | Oil & Gas Operator | Feb 2014 |
| 93 | Lanco Oil & Gas, Inc. | Richland, TX 76681 | Oil & Gas Operator | Jan 1998 |
| 94 | Land, Cleatus H. Estate | Seguin, TX 78155 | Oil & Gas Operator | Mar 2001 |
| 95 | Landmark Drilling, L.L.C. | Waskom, TX 75692 | Oil Operator | Jul 2025 |
| 96 | Landmark Exploration Inc. | Caldwell, TX 77836 | Oil & Gas Operator | Jul 2025 |
| 97 | Landmark Ip, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 98 | Landmark Production Company | MC Gregor, TX 76657 | Oil & Gas Operator | Oct 2010 |
| 99 | Landmaster Partners, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Jul 2025 |
| 100 | Landmen Of Texas | Hondo, TX 78861 | Oil Operator | Feb 2007 |