| 16901 | Lapis Operating, Inc. | Houston, TX 77042 | Oil & Gas Operator | Jul 2015 |
| 16902 | Lappin Oil LLC | Douglas, WY 82633 | Oil & Gas Operator | Mar 2025 |
| 16903 | Laquey, E. C. | Refugio, TX 78377 | Oil & Gas Operator | Aug 2003 |
| 16904 | Lar-Mie Petroleum Inc | Tulsa, OK 74136 | Oil & Gas Operator | Aug 1998 |
| 16905 | Larae Operations | Luling, TX 78648 | Oil Operator | Apr 2025 |
| 16906 | Laramie Energy II LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2015 |
| 16907 | Laramie Energy LLC | | Oil & Gas Operator | Aug 2013 |
| 16908 | Laran Operating LLC | Dover, OK 73734-0057 | Oil & Gas Operator | Mar 2015 |
| 16909 | Larance Engineering Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Jan 1996 |
| 16910 | Larch Oil & Gas Corporation | Cross Lanes, WV 25313 | Oil & Gas Operator | Dec 2021 |
| 16911 | Larco Drilling & Exploration Corp. | | Oil & Gas Operator | Dec 1999 |
| 16912 | Larcom Mike | | Oil Operator | Feb 1987 |
| 16913 | Lardo, Anthony P. Jr. | Lakeview, NY 14085 | Gas Operator | Dec 2023 |
| 16914 | Laredo Energy | Houston, TX 77002 | Oil & Gas Operator | Jun 2016 |
| 16915 | Laredo Energy Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Nov 2022 |
| 16916 | Laredo Energy, LP | Houston, TX 77040 | Oil & Gas Operator | Oct 2003 |
| 16917 | Laredo Petroleum - Dallas, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Nov 2014 |
| 16918 | Laredo Petroleum, Inc. | Tulsa, OK 74120 | Oil & Gas Operator | Mar 2023 |
| 16919 | Large Operating LLC | Stinnett, TX 79083 | Oil & Gas Operator | Apr 2025 |
| 16920 | Large, William C. & Mary B. | Union Springs, NY 13160 | Gas Operator | Dec 2023 |
| 16921 | Largo Oil Company | Longview, TX 75606 | Oil & Gas Operator | Apr 2025 |
| 16922 | Lariat Energy & Supply Co Inc | Hulbert, OK 74441 | Oil & Gas Operator | Nov 2024 |
| 16923 | Lariat Land & Exploration, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2025 |
| 16924 | Lariat Petroleum Inc | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2024 |
| 16925 | Lariat Resources, LLC | Fort Worth, TX 76109 | Oil & Gas Operator | May 2022 |
| 16926 | Lario Oil & Gas | | Oil & Gas Operator | Nov 1995 |
| 16927 | Lario Oil & Gas Company | Odessa, TX 79762 | Oil & Gas Operator | Apr 2025 |
| 16928 | Larison Oil Company | Katy, TX 77494 | Oil & Gas Operator | Apr 2025 |
| 16929 | Lark Production, Inc. | | Oil & Gas Operator | Mar 2023 |
| 16930 | Larkin Energy Company Inc | Sasakwa, OK 74867 | Oil & Gas Operator | May 2022 |
| 16931 | Larkin Oil Co | Sasakwa, OK 74867 | Oil & Gas Operator | Aug 2015 |
| 16932 | Larkspur Operating LLC | Oklahoma City, OK 73034 | Oil & Gas Operator | Jan 2025 |
| 16933 | Larmore Jr James E | Bartlesville, OK 74006-8312 | Oil Operator | Mar 2017 |
| 16934 | Laroca Resources, LTD | Austin, TX 78709 | Oil & Gas Operator | Apr 2025 |
| 16935 | Laroco LLP | Woodsboro, TX 78393 | Oil & Gas Operator | Mar 2008 |
| 16936 | Laron Oil Corporation | Seguin, TX 78155 | Oil & Gas Operator | Jul 1997 |
| 16937 | Larrette Resources | | Oil Operator | Nov 1999 |
| 16938 | Larron Energy Corporation | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2015 |
| 16939 | Larry A And Patricia D Jeter | Lovington, NM 88260 | Oil & Gas Operator | Apr 2000 |
| 16940 | Larry Brown Dba Brown Oil Company | Ardmore, OK 73401 | Oil Operator | Apr 2015 |
| 16941 | Larry E. Bedrosian | | Oil Operator | Dec 1999 |
| 16942 | Larry H Wright Inc | Naples, FL 34108-2156-2156 | Oil & Gas Operator | Dec 1993 |
| 16943 | Larry Marker Dba Marker Oil | Roswell, NM 88202 | Oil & Gas Operator | Jul 2017 |
| 16944 | Larry Oil, Inc. | Albany, TX 76430 | Oil & Gas Operator | Nov 2001 |
| 16945 | Larry Sherman Oil LLC | Chandler, OK 74834 | Oil & Gas Operator | Jan 2025 |
| 16946 | Larry Wolff Dba Wolff'S Oilfield Service | Cushing, OK 74023-9789 | Oil & Gas Operator | Feb 2025 |
| 16947 | Larson Buford | | Oil Operator | May 2006 |
| 16948 | Larson Drilling Corp. | Jamestown, NY 14702 | Gas Operator | Dec 2023 |
| 16949 | Larson Exploration Company | Tulsa, OK 74136-4939 | Oil & Gas Operator | Jul 2016 |
| 16950 | Larson Operating | | Oil & Gas Operator | Mar 2001 |
| 16951 | Larson Operating Company | Olmitz, KS 67564-8561 | Oil & Gas Operator | Dec 2019 |
| 16952 | Larson, Perry L Operating Co Inc | Dallas, TX 75382 | Oil & Gas Operator | Feb 2021 |
| 16953 | Las Animas Production Company | Midland, TX 79705 | Oil & Gas Operator | Mar 1995 |
| 16954 | Las Colinas Oil Corp. | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 16955 | Las Palmas Petroleum Corp. | | Oil Operator | Dec 2010 |
| 16956 | Las Services, Inc. | | Oil & Gas Operator | Oct 1997 |
| 16957 | Lasalle Marine Corporation | Houston, TX 77056 | Oil Operator | Aug 2003 |
| 16958 | Lasater & Co, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2025 |
| 16959 | Lasco Production Co | | Oil & Gas Operator | Dec 1999 |
| 16960 | Laser Gas Company I, LLC | | Oil Operator | Aug 2007 |
| 16961 | Lashley Oil Company Inc | Walters, OK 73572 | Oil Operator | Dec 2014 |
| 16962 | Lasmo Energy Cor | | Oil Operator | Feb 1990 |
| 16963 | Lasmo Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 16964 | Lassetter Petrol | | Oil Operator | Oct 1986 |
| 16965 | Lasso Energy LLC | Chase, KS 67524 | Oil & Gas Operator | Dec 2024 |
| 16966 | Lasso Oil & Gas LLC | | Oil & Gas Operator | Jul 2022 |
| 16967 | Last Chance Operating LLC | Wortham, TX 76693 | Oil Operator | Apr 2025 |
| 16968 | Last Ditch Petroleum LLC | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 16969 | Last Dollar LLC | Big Lake, TX 76932 | Oil & Gas Operator | Apr 2025 |
| 16970 | Last Mile Production, LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2025 |
| 16971 | Last Run, LLC | Rillito, AZ 85246 | Oil & Gas Operator | May 2020 |
| 16972 | Laster Welding And Well Serv, Inc. | | Gas Operator | Jul 2020 |
| 16973 | Lastrada Oil And Gas LTD | | Oil & Gas Operator | May 1992 |
| 16974 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
| 16975 | Latexo Oil & Gas Co. | | Oil Operator | Sep 1986 |
| 16976 | Latexo Resources, Inc. | Austin, TX 78701 | Oil & Gas Operator | Feb 1997 |
| 16977 | Latham & Bonner | | Oil Operator | Aug 1987 |
| 16978 | Latham Exploration Company Inc | | Oil & Gas Operator | Aug 1992 |
| 16979 | Latham Production & Service Co | | Oil Operator | Jul 1989 |
| 16980 | Latham Roger P C | Dallas, TX 75244 | Oil Operator | Apr 2015 |
| 16981 | Latham, Bonner & Hall | | Oil Operator | Mar 1988 |
| 16982 | Latham, Richard K | Lewisburg, KY 42256 | Oil Operator | Dec 2022 |
| 16983 | Latigo (Texas), LLC | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2025 |
| 16984 | Latigo Drilling Corporation | Duncan, OK 73533 | Oil & Gas Operator | Feb 2025 |
| 16985 | Latigo Oil And Gas Inc | Woodward, OK 73801 | Oil & Gas Operator | Feb 2025 |
| 16986 | Latigo Petroleum Texas, LP | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 16987 | Latigo Petroleum, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2025 |
| 16988 | Latigo Petroleum, LLC | Pampa, TX 79066 | Oil & Gas Operator | Apr 2025 |
| 16989 | Latimer, D. Gail Enterprises,Inc | Snyder, TX 79550 | Oil & Gas Operator | Jul 2004 |
| 16990 | Lauber Floyd | Dayton, OH 45415 | Oil & Gas Operator | Dec 1997 |
| 16991 | Lauck & Associates | Walnut Creek, CA 91789 | Oil & Gas Operator | Jan 2025 |
| 16992 | Lauck D R Oil Co | | Oil & Gas Operator | Oct 1995 |
| 16993 | Laughlin Jack D | Cushing, OK 74023 | Oil & Gas Operator | Sep 2016 |
| 16994 | Laughlin, W. M. Estate | Premont, TX 78375 | Oil & Gas Operator | Jun 2003 |
| 16995 | Laurel Fuel Company | Jackson, MS 39206 | Oil & Gas Operator | Dec 1996 |
| 16996 | Laurel Mountain Production | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Feb 2025 |
| 16997 | Laurel Operating Company, Inc. | Stillwater, OK 74074-3025 | Oil & Gas Operator | Jan 2025 |
| 16998 | Laurence C Kelly | Farmington, NM 87402 | Gas Operator | Dec 2002 |
| 16999 | Lavaca Canyon Petroleum LLC | Houston, TX 77094 | Oil & Gas Operator | Apr 2025 |
| 17000 | Lavaca River Operating Co., LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Apr 2025 |