| 16901 | L B Simmons Energy Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Oct 1996 |
| 16902 | L D & Associates | Broken Arrow, OK 74014-1712 | Oil Operator | Feb 2012 |
| 16903 | L D O Incorporat | | Oil Operator | Jul 1988 |
| 16904 | L E Carpenter Oil & Gas, Inc. | | Oil & Gas Operator | Sep 1985 |
| 16905 | L H Energy Incor | | Oil Operator | Dec 1991 |
| 16906 | L L & H E Kidd | | Gas Operator | Sep 1990 |
| 16907 | L L & M Properties, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Aug 2004 |
| 16908 | L P C Energy, Inc. | | Oil & Gas Operator | Mar 1985 |
| 16909 | L P Oil Company Inc. | | Oil & Gas Operator | Dec 2025 |
| 16910 | L R Company | Casper, WY 82602 | Oil & Gas Operator | Sep 2007 |
| 16911 | L R French Jr | Midland, TX 79701 | Oil & Gas Operator | Aug 2014 |
| 16912 | L R Operating Co. | Graford, TX 76449 | Oil & Gas Operator | Jun 2025 |
| 16913 | L V Gas Incorpor | | Oil & Gas Operator | Mar 1991 |
| 16914 | L&DWG LLC | Copeland, KS 67837 | Gas Operator | Sep 2025 |
| 16915 | L&L Oil Company LLC | Copan, OK 74022-4608 | Oil Operator | Mar 2014 |
| 16916 | L&M, Inc. | Vienna, WV 26105 | Oil & Gas Operator | Aug 2025 |
| 16917 | L&N DRLG Co&K.D. Lankford, Jr | | Gas Operator | Aug 2006 |
| 16918 | L'Oil Operating & Management Co., Inc. | | Oil & Gas Operator | Nov 2024 |
| 16919 | L'Oil Operating And MGMT. Co. | | Oil & Gas Operator | Dec 2008 |
| 16920 | L-83, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 16921 | L-K Wireline, Inc. | Hays, KS 67601 | Oil Operator | Dec 2019 |
| 16922 | L-R Production | Olney, TX 76374 | Oil & Gas Operator | Feb 2026 |
| 16923 | L-Reno Oil And Gas LLC | Graford, TX 76449 | Oil & Gas Operator | Feb 2026 |
| 16924 | L-Texx Petroleum, LP | Arlington, TX 76013 | Oil & Gas Operator | Feb 2026 |
| 16925 | L. A. W. Oil, LLC | | Oil Operator | Dec 2018 |
| 16926 | L. A. West | | Gas Operator | Feb 2000 |
| 16927 | L. B. Petroleum, Inc. | Denver, CO 80202 | Gas Operator | Jan 2016 |
| 16928 | L. C. Geer & Associates | | Oil & Gas Operator | Jan 1987 |
| 16929 | L. D. Drilling, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Sep 2025 |
| 16930 | L. D. McMullan | | Oil Operator | Jun 2023 |
| 16931 | L. E. Gillespie | | Oil Operator | Sep 1984 |
| 16932 | L. E. Hester | | Gas Operator | Oct 2004 |
| 16933 | L. R. Fitzgerald | | Oil & Gas Operator | Feb 2015 |
| 16934 | L. R. Resources II | | Oil & Gas Operator | Feb 1991 |
| 16935 | L. S. K. L. Oil Co. | Buda, TX 78610 | Oil & Gas Operator | Feb 2026 |
| 16936 | L. W. Babcock | | Oil Operator | Dec 1986 |
| 16937 | L. W. Snuffy McCartney | | Oil Operator | Jul 2015 |
| 16938 | L.C. Coon Production Co. | | Oil Operator | Apr 1995 |
| 16939 | L.C.S. Production Company | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 16940 | L.E. Jones Operating, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Dec 2025 |
| 16941 | L.J. Exploration, Inc. | | Oil & Gas Operator | Dec 2020 |
| 16942 | L.J. Resources, LLC | Graham, TX 76450 | Gas Operator | Feb 2026 |
| 16943 | L.J.M. Corporation | Houston, TX 77025 | Oil & Gas Operator | Jun 2012 |
| 16944 | L.K. Energies, Inc. | | Oil & Gas Operator | Dec 2002 |
| 16945 | L.L. Oil Company | Freer, TX 78357 | Oil & Gas Operator | Feb 2026 |
| 16946 | L.L. Tuck | | Oil Operator | Jan 2001 |
| 16947 | L.O.G. Energy Exploration, LTD. | Laredo, TX 78041 | Oil & Gas Operator | Feb 2026 |
| 16948 | L.S.E. Energy-V.P. Smith | | Oil Operator | Mar 1988 |
| 16949 | L.T.D. Explorations Inc. | Alice, TX 78333 | Oil & Gas Operator | Feb 2026 |
| 16950 | L2SG Production, LLC | Nocona, TX 76255 | Oil Operator | May 2020 |
| 16951 | L7 Energy LLC | Wichita Falls, TX 76308 | Oil Operator | Feb 2026 |
| 16952 | La Aceite Energy, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Feb 2026 |
| 16953 | La Campana, Inc. | Port Aransas, TX 78373 | Oil & Gas Operator | Feb 2026 |
| 16954 | La Chalk Gathering System | | Oil Operator | Jan 2006 |
| 16955 | La Coastal Pet.Services Co Inc | | Oil & Gas Operator | Dec 1982 |
| 16956 | La Delta Farms Oil Company LLC | | Oil & Gas Operator | Dec 2024 |
| 16957 | La Gas Dev Corp/Araxas | | Oil & Gas Operator | Dec 2001 |
| 16958 | La Honda Fields Limited Partnership | | Oil & Gas Operator | Dec 2021 |
| 16959 | La Intrastate Gas Co LLC | | Oil Operator | Apr 2004 |
| 16960 | La Jolla Oil & Gas, Inc. | Frisco, TX 75034 | Oil & Gas Operator | Feb 2026 |
| 16961 | La Land Co. | | Oil Operator | Dec 1989 |
| 16962 | La Mar, Paul W. | Nocona, TX 76255 | Oil & Gas Operator | May 1995 |
| 16963 | La Mesa Production, Inc. | | Oil & Gas Operator | Apr 2004 |
| 16964 | La Oil & Gas LLC | Warren, PA 16365 | Oil & Gas Operator | Dec 2025 |
| 16965 | La Paloma Generating Company LLC | | Oil & Gas Operator | Dec 2000 |
| 16966 | La Parrita Oil & Gas, Inc. | Rosenberg, TX 77471 | Oil & Gas Operator | May 2002 |
| 16967 | La Plata Gathering System Inc | Dallas, TX 75206 | Gas Operator | Nov 2023 |
| 16968 | La Prele Exploration | | Oil & Gas Operator | Oct 1979 |
| 16969 | La Roca Energy, LP | Dallas, TX 75207 | Oil & Gas Operator | May 2024 |
| 16970 | La Ronya Oil & Gas | George West, TX 78022 | Gas Operator | Feb 2026 |
| 16971 | La Sara Operating Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2015 |
| 16972 | La Vernia Oil | La Vernia, TX 78121 | Oil Operator | Feb 2026 |
| 16973 | La Vernia Oil Co. | La Vernia, TX 78121 | Oil & Gas Operator | Aug 2003 |
| 16974 | La Veta Oil & Gas, LLC | Middleburg, VA 20118 | Oil Operator | Sep 2025 |
| 16975 | La VIda Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 1993 |
| 16976 | La. Fete Oil & Gas, Inc. | | Oil & Gas Operator | May 1995 |
| 16977 | La. Gas Production, L.C. | | Gas Operator | Sep 2018 |
| 16978 | La. Land & Expl. Co. | | Oil & Gas Operator | Dec 2010 |
| 16979 | La. Mining & Minerals, Inc. | | Oil & Gas Operator | Jul 2000 |
| 16980 | La. Nap. Inc. Lanlock Res Inc | | Oil Operator | Feb 1995 |
| 16981 | La. Onshore Properties Inc. | | Oil & Gas Operator | Dec 2000 |
| 16982 | La.-TX. Operating, Inc. | | Oil & Gas Operator | May 1998 |
| 16983 | La.Gas Service Expl. Program | | Gas Operator | Dec 1989 |
| 16984 | Labarge Minerals Inc | Labarge, WY 83123 | Oil & Gas Operator | Jan 2020 |
| 16985 | Labelle Petroleum, Inc. | | Oil & Gas Operator | Oct 1990 |
| 16986 | Labelle Wayne R | Punxsutawney, PA 15767-1161 | Gas Operator | Dec 2025 |
| 16987 | Laben, David Glenn & Janice W. | Darien Center, NY 14040 | Gas Operator | Dec 2024 |
| 16988 | Labh Hospitality, Inc. | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 16989 | Labo Oil Company Inc | Drumright, OK 74030-5619 | Oil & Gas Operator | Jul 2025 |
| 16990 | Lace Operating | Fort Worth, TX 76114 | Oil & Gas Operator | Jun 1997 |
| 16991 | Lacen Oil | | Oil Operator | Jan 2002 |
| 16992 | Lachenmayr Oil C | | Oil Operator | Sep 1996 |
| 16993 | Lachenmayr Oil LLC | Newton, KS 67114 | Oil & Gas Operator | Sep 2025 |
| 16994 | Lackawanna City School District | Lackawanna, NY 14218 | Gas Operator | Dec 2024 |
| 16995 | Lackey Danny | Kiefer, OK 74041-0702 | Oil & Gas Operator | Oct 2022 |
| 16996 | Lackey Disposal | | Oil Operator | Jul 1994 |
| 16997 | Lackey Milton | | Oil & Gas Operator | Feb 1995 |
| 16998 | Lackey Raymond R | Lindsay, OK 73052 | Oil & Gas Operator | Jun 2015 |
| 16999 | Lackey Raymond R & Assoc | Sulphur, OK 73086 | Oil & Gas Operator | Nov 2025 |
| 17000 | Lackey WM Oil & Gas Oper Co | Shawnee, OK 74801 | Oil & Gas Operator | Jan 1994 |