| 16901 | Las Palmas Petroleum Corp. | | Oil Operator | Dec 2010 |
| 16902 | Las Services, Inc. | | Oil & Gas Operator | Oct 1997 |
| 16903 | Lasalle Marine Corporation | Houston, TX 77056 | Oil Operator | Aug 2003 |
| 16904 | Lasater & Co, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Dec 2025 |
| 16905 | Lasco Production Co | | Oil & Gas Operator | Dec 1999 |
| 16906 | Laser Gas Company I, LLC | | Oil Operator | Aug 2007 |
| 16907 | Lashley Oil Company Inc | Walters, OK 73572 | Oil Operator | Dec 2014 |
| 16908 | Lasmo Energy Cor | | Oil Operator | Feb 1990 |
| 16909 | Lasmo Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 16910 | Lassetter Petrol | | Oil Operator | Oct 1986 |
| 16911 | Lasso Energy LLC | Chase, KS 67524 | Oil & Gas Operator | Sep 2025 |
| 16912 | Lasso Oil & Gas LLC | | Oil & Gas Operator | Jul 2022 |
| 16913 | Last Chance Operating LLC | Wortham, TX 76693 | Oil Operator | Dec 2025 |
| 16914 | Last Ditch Petroleum LLC | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 16915 | Last Dollar LLC | Big Lake, TX 76932 | Oil & Gas Operator | Dec 2025 |
| 16916 | Last Mile Production, LLC | Southlake, TX 76092 | Oil & Gas Operator | Dec 2025 |
| 16917 | Last Run LLC | Rillito, AZ 85246 | Oil & Gas Operator | May 2020 |
| 16918 | Laster Welding And Well Serv, Inc. | | Gas Operator | Jul 2020 |
| 16919 | Lastrada Oil And Gas LTD | | Oil & Gas Operator | May 1992 |
| 16920 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
| 16921 | Latexo Oil & Gas Co. | | Oil Operator | Sep 1986 |
| 16922 | Latexo Resources, Inc. | Austin, TX 78701 | Oil & Gas Operator | Feb 1997 |
| 16923 | Latham & Bonner | | Oil Operator | Aug 1987 |
| 16924 | Latham Exploration Company Inc | | Oil & Gas Operator | Aug 1992 |
| 16925 | Latham Production & Service Co | | Oil Operator | Jul 1989 |
| 16926 | Latham Roger P C | Dallas, TX 75244 | Oil Operator | Apr 2015 |
| 16927 | Latham, Bonner & Hall | | Oil Operator | Mar 1988 |
| 16928 | Latham, Richard K | Lewisburg, KY 42256 | Oil Operator | Dec 2022 |
| 16929 | Latigo (Texas), LLC | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2025 |
| 16930 | Latigo Drilling Corporation | Duncan, OK 73533 | Oil & Gas Operator | Nov 2025 |
| 16931 | Latigo Oil & Gas, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Nov 2025 |
| 16932 | Latigo Petroleum LLC | Pampa, TX 79066 | Oil & Gas Operator | Dec 2025 |
| 16933 | Latigo Petroleum Texas, LP | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 16934 | Latigo Petroleum, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 2025 |
| 16935 | Latimer, D. Gail Enterprises,Inc | Snyder, TX 79550 | Oil & Gas Operator | Jul 2004 |
| 16936 | Lauber Floyd | Dayton, OH 45415 | Oil & Gas Operator | Dec 1997 |
| 16937 | Lauck & Associates | Walnut Creek, CA 91789 | Oil & Gas Operator | Nov 2025 |
| 16938 | Lauck D R Oil Co | | Oil & Gas Operator | Oct 1995 |
| 16939 | Laughlin Jack D | Cushing, OK 74023 | Oil & Gas Operator | Sep 2016 |
| 16940 | Laughlin, W. M. Estate | Premont, TX 78375 | Oil & Gas Operator | Jun 2003 |
| 16941 | Laurco Energies,Inc | | Oil & Gas Operator | May 2025 |
| 16942 | Laurel Fuel Company | Jackson, MS 39206 | Oil & Gas Operator | Dec 1996 |
| 16943 | Laurel Mountain Production | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Nov 2025 |
| 16944 | Laurel Operating Company | Stillwater, OK 74074-3025 | Oil & Gas Operator | Oct 2025 |
| 16945 | Laurence C Kelly | Farmington, NM 87402 | Gas Operator | Dec 2002 |
| 16946 | Lavaca Canyon Petroleum LLC | Houston, TX 77060 | Oil & Gas Operator | Dec 2025 |
| 16947 | Lavaca River Operating Co., LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Dec 2025 |
| 16948 | Lavanco Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2006 |
| 16949 | Lavanco Energy, LTD. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2024 |
| 16950 | Laverty, Thomas R | | Oil & Gas Operator | Dec 2023 |
| 16951 | Lavino Oil And Gas Company | | Oil & Gas Operator | Aug 1989 |
| 16952 | Law E Edward | Newkirk, OK 74647-2056 | Oil Operator | Sep 2025 |
| 16953 | Law Production, Inc. | McPherson, KS 67460 | Oil Operator | Nov 2007 |
| 16954 | Lawbanco Drillin | | Oil Operator | Feb 1995 |
| 16955 | Lawbanco Drilling, Inc. | Natoma, KS 67651 | Oil Operator | May 1998 |
| 16956 | Lawbar Petroleum, Inc. | Tuleta, TX 78162 | Oil & Gas Operator | Aug 2003 |
| 16957 | Lawco Exploration Inc | Bentonville, AR 72712 | Oil & Gas Operator | Aug 2024 |
| 16958 | Lawco Holdings LLC | Bentonville, AR 72712 | Oil Operator | Oct 2025 |
| 16959 | Lawco Osage Operating, LLC | Bentonville, AR 72712 | Oil & Gas Operator | Dec 2025 |
| 16960 | Lawlis Oil Company | Hamlin, TX 79520 | Oil & Gas Operator | Dec 2025 |
| 16961 | Lawrence & Bush | Lawton, OK 73507 | Oil Operator | Dec 1995 |
| 16962 | Lawrence & Bush, Inc. | Pampa, TX 79065 | Oil Operator | Oct 1998 |
| 16963 | Lawrence County Gas LLC | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2023 |
| 16964 | Lawrence Energy Company | Abilene, TX 79602 | Oil & Gas Operator | Dec 2025 |
| 16965 | Lawrence Exploration Inc | | Oil & Gas Operator | Sep 2004 |
| 16966 | Lawrence Hot Oil Service | Loco, OK 73442 | Oil & Gas Operator | Oct 2025 |
| 16967 | Lawrence James Oil Prop Inc | Catoosa, OK 74015 | Oil & Gas Operator | Feb 2012 |
| 16968 | Lawrence Larry O | | Gas Operator | Sep 1993 |
| 16969 | Lawrence Roy Drilling Co Inc | Pawnee, OK 74058-0306 | Oil & Gas Operator | Aug 2000 |
| 16970 | Lawrence Smith Oil LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
| 16971 | Lawrence W Ritter | Farmington, NM 87499 | Gas Operator | Nov 2025 |
| 16972 | Lawrence, C. F. & Assoc. Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2025 |
| 16973 | Lawrence, Max | Cambridge, KS 67023 | Oil Operator | Sep 2025 |
| 16974 | Laws Exploration LLC | Mineral Wells, TX 76067 | Oil & Gas Operator | Dec 2025 |
| 16975 | Lawson Arthur C | | Oil Operator | Aug 1994 |
| 16976 | Lawson Engineering, Inc. | | Oil & Gas Operator | Dec 1984 |
| 16977 | Lawson George E | Sand Springs, OK 74063 | Oil & Gas Operator | May 2013 |
| 16978 | Lawson Oil Company | Buckeye, AR 85326 | Oil Operator | Mar 1996 |
| 16979 | Lawson Operating LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2015 |
| 16980 | Lawson Petroleum Co. | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2009 |
| 16981 | Lawson, A.C., Inc. | Derby, KS 67037 | Oil Operator | Aug 2025 |
| 16982 | Lawson, Thelma | Geuda Springs, KS 67051 | Oil Operator | Dec 2009 |
| 16983 | Lawton, Jack Inc. | Sulphur, LA 70663 | Oil & Gas Operator | Dec 1995 |
| 16984 | Lax, Inc. | | Oil & Gas Operator | Nov 1987 |
| 16985 | Lay, J. D. | Lockhart, TX 78644 | Oil & Gas Operator | May 1997 |
| 16986 | Lay, Warren Leon | Lockhart, TX 78644 | Oil & Gas Operator | Aug 2023 |
| 16987 | Layco Oil | Okmulgee, OK 74447-2065 | Oil & Gas Operator | Apr 2020 |
| 16988 | Layline Energy I LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2019 |
| 16989 | Layline Oil And Gas LLC | Marion, MI 49665 | Oil & Gas Operator | Nov 2025 |
| 16990 | Layline Petroleum I, LLC | Houston, TX 77024 | Oil & Gas Operator | May 2013 |
| 16991 | Laymac Corporation | | Gas Operator | Dec 2020 |
| 16992 | Laymon Oil Compa | | Oil & Gas Operator | Dec 1996 |
| 16993 | Laymon Oil Company | | Oil Operator | Feb 2001 |
| 16994 | Laymon Oil II, LLC | Neosho Falls, KS 66758 | Oil Operator | Sep 2025 |
| 16995 | Laymon, Michael | Yates Center, KS 66783 | Oil Operator | Jun 2025 |
| 16996 | Layne Energy Operating, LLC | Kansas City, KS 66106 | Oil & Gas Operator | Feb 2025 |
| 16997 | Layton Energy Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 2025 |
| 16998 | Layton Enterprises, Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Apr 2007 |
| 16999 | Layton Glenn F J | | Oil Operator | Mar 1986 |
| 17000 | Layton Oil Co | | Oil Operator | Feb 1994 |