| 901 | Littlepage, Tommy | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 902 | Littrell Chemical Inc | Cleo Springs, OK 73729 | Oil & Gas Operator | Jan 2005 |
| 903 | Litzenberger Exploration | Waynoka, OK 73860 | Oil & Gas Operator | Jul 1996 |
| 904 | Litzenberger Exploration Inc | Waynoka, OK 73860 | Oil & Gas Operator | Jun 2026 |
| 905 | Live Oak Energy, Inc. | | Oil & Gas Operator | Dec 2011 |
| 906 | Live Oak Gas Company | Dallas, TX 75251 | Oil & Gas Operator | Sep 2026 |
| 907 | Live Oak Op & Production, L.L.C. | Austin, TX 78759 | Oil & Gas Operator | Nov 2011 |
| 908 | Live Oak Reserves, Inc. | Houston, TX 77019 | Oil & Gas Operator | Sep 2026 |
| 909 | Live Oak/Operations, Inc. | Houston, TX 77019 | Gas Operator | Jul 2011 |
| 910 | Lively Energy & Development Corp | Boerne, TX 78015 | Oil & Gas Operator | May 2015 |
| 911 | Lively Exploration Company | Houston, TX 77063 | Oil & Gas Operator | Sep 2026 |
| 912 | Livingston, David Oil Company | Haskell, TX 79521 | Oil & Gas Operator | Aug 2003 |
| 913 | Livingston, F. L. | Megargel, TX 76370 | Oil & Gas Operator | May 2018 |
| 914 | Lizard Lick Transport, LLC | Grandfalls, TX 79742 | Oil & Gas Operator | Sep 2026 |
| 915 | Lizard Oil & Gas, LLC | Bloomfield, NM 87413 | Oil & Gas Operator | Feb 2017 |
| 916 | LKD Corp. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2018 |
| 917 | LKKTX 2018, LLC | Wichita Falls, TX 76305 | Oil Operator | Sep 2026 |
| 918 | LKM Oil & Gas | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2024 |
| 919 | LKM Oil And Gas LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2026 |
| 920 | Lko Operating LLC | | Oil & Gas Operator | Feb 2017 |
| 921 | LL&N Oil & Gas Co., Inc. | | Oil Operator | Sep 1982 |
| 922 | Llano Land & Exploration Co | Roswell, NM 88202 | Oil & Gas Operator | Sep 2004 |
| 923 | Llano Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2026 |
| 924 | Llewellin Operating Company, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2017 |
| 925 | LLJ Ventures, LLC Dba Marker Oil & Gas | Roswell, NM 88202 | Oil & Gas Operator | Apr 2022 |
| 926 | Llog Expl. Co. | Metairie, LA 70005 | Oil & Gas Operator | Jan 2003 |
| 927 | Llog Expl. Co.-Biggs | | Oil Operator | Sep 1985 |
| 928 | Llog Exploration & Prod Co | | Oil & Gas Operator | Jul 2000 |
| 929 | Llog Exploration Company, LLC | | Oil & Gas Operator | Dec 2024 |
| 930 | Llog Exploration Offshore, Inc. | Covington, LA 70433 | Oil & Gas Operator | Aug 2004 |
| 931 | Llog Exploration Texas, L.P. | Covington, LA 70433 | Oil & Gas Operator | Sep 2026 |
| 932 | Llog Production Company | Metairie, LA 70005 | Oil & Gas Operator | Apr 1995 |
| 933 | Llosu Corporation | Rawlins, WY 82301 | Oil & Gas Operator | Mar 2002 |
| 934 | Llox, L.L.C. | Covington, LA 70433 | Oil & Gas Operator | Sep 2026 |
| 935 | Lloyd Drilling C | | Oil Operator | Aug 1995 |
| 936 | Lloyd Drilling Company | Morland, KS 67650 | Oil Operator | Oct 2009 |
| 937 | Lloyd H. Smith | | Oil & Gas Operator | Mar 1972 |
| 938 | Lloyd M McKenzie | | Oil Operator | Mar 2001 |
| 939 | LLP Gas And Oil Corporation | Dover, OH 44622 | Oil & Gas Operator | Dec 2025 |
| 940 | LLT Energy, Inc. | Luling, TX 78648 | Oil & Gas Operator | Sep 2026 |
| 941 | LMH Energy | Wichita Falls, TX 76302 | Oil & Gas Operator | Sep 2026 |
| 942 | LMN Oil And Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Mar 2008 |
| 943 | LMP Exploration Operating, LLC | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Feb 2008 |
| 944 | LMP Petroleum, Inc. | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Jan 2010 |
| 945 | LNG Gathering Company | | Oil Operator | Oct 2024 |
| 946 | LNH Oil Company | Midland, TX 79708 | Oil & Gas Operator | Jan 2006 |
| 947 | LNR Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 948 | Lo-Jel Energy LLC | Oklahoma City, OK 73162-7418 | Oil & Gas Operator | Nov 2019 |
| 949 | Loan Asset Issuer LLC, Series 2021 NG-1 | Houston, TX 77056 | Oil & Gas Operator | Jun 2026 |
| 950 | Lobar Oil Co LLC | Edmond, OK 73013 | Oil & Gas Operator | May 2026 |
| 951 | Lobo Energy, Inc. | Laredo, TX 78044 | Oil & Gas Operator | Nov 1996 |
| 952 | Lobo Exploration Company | Yukon, OK 73099 | Oil & Gas Operator | May 2026 |
| 953 | Lobo Oil & Gas, LLC | Benedict, KS 66714 | Oil Operator | Jan 2019 |
| 954 | Lobo Oil Company | Woodson, TX 76491 | Oil & Gas Operator | Sep 1999 |
| 955 | Lobo Operating, Inc. | Houston, TX 77077 | Oil & Gas Operator | Dec 2024 |
| 956 | Lobo Operations LLC | | Oil Operator | May 2026 |
| 957 | Lobo Petroleum Inc | Guymon, OK 73942-0714 | Oil Operator | Jul 2016 |
| 958 | Lobo Production, Inc | Goodland, KS 67735 | Gas Operator | Apr 2026 |
| 959 | Lobo Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 960 | Lobo Resources, LTD. | Houston, TX 77077 | Oil & Gas Operator | Apr 1994 |
| 961 | Lobodo Inc. | | Oil & Gas Operator | Apr 2003 |
| 962 | Local, Inc. | Orange Park, FL 32073 | Oil & Gas Operator | Apr 2026 |
| 963 | Locators Oil And Gas Inc | Guthrie, OK 73044 | Oil & Gas Operator | Oct 2022 |
| 964 | Locin Oil Corporation | Katy, TX 77494 | Oil & Gas Operator | Sep 2026 |
| 965 | Lock 3 Company | Pittsburgh, PA 15220 | Oil & Gas Operator | Dec 2017 |
| 966 | Lock Arbor Production Co | | Gas Operator | Aug 1987 |
| 967 | Lockard Petroleum, Inc. | Hamilton, KS 66853 | Oil Operator | Dec 2019 |
| 968 | Locke Stock & Barrel Res Inc | Calgary, AB T2P3G | Oil Operator | Nov 1998 |
| 969 | Locke-Taylor Drilling Co | Rifle, CO 81650 | Gas Operator | Mar 2006 |
| 970 | Lockhart Oil LLC | Neosho Falls, KS 66758 | Oil Operator | Apr 2026 |
| 971 | Lockout Corporation | Austin, TX 78746 | Oil & Gas Operator | Sep 2026 |
| 972 | Lockridge, John P | Denver, CO 80202 | Gas Operator | Mar 1999 |
| 973 | Loco | Casper, WY 82602 | Oil & Gas Operator | Jul 2022 |
| 974 | Loco Oil Company | Loco, OK 73442 | Oil Operator | Feb 1993 |
| 975 | Locust Ridge Gas Company | | Oil Operator | Mar 2003 |
| 976 | Lode Holdings, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Sep 2026 |
| 977 | Lodel Energy Resources Corporation | Houston, TX 77042 | Oil & Gas Operator | Sep 2026 |
| 978 | Lodestone Operating | Portland, TX 78374 | Oil & Gas Operator | Jul 2026 |
| 979 | Lodestone Operating, Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2026 |
| 980 | Lodi Drilling & Service Co. | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Sep 2026 |
| 981 | Lodi Gas Storage L.L.C. | | Gas Operator | Jul 2026 |
| 982 | Lodi Operating Company LLC | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Sep 2026 |
| 983 | Loe Oil & Gas Corporation | | Gas Operator | Dec 1977 |
| 984 | Loe Petroleum & Environmental Engineering LLC | | Oil Operator | Jul 2026 |
| 985 | Loe Pipe Yard, Inc. | | Oil & Gas Operator | Jan 1997 |
| 986 | Loeb Bros., LLC | Lawrenceville, IL 62439 | Oil Operator | Dec 2024 |
| 987 | Loeb Herman L | | Oil & Gas Operator | Jan 1996 |
| 988 | Loeb LLC* Herman L | | Oil & Gas Operator | Jun 2026 |
| 989 | Loeb, Herman L, LLC | Lawrenceville, IL 62439 | Oil Operator | Dec 2017 |
| 990 | Loewen E K | | Oil Operator | Mar 1986 |
| 991 | Loewen Operator | | Oil & Gas Operator | Mar 1995 |
| 992 | Loewen Operator, Inc. | Canton, KS 67428 | Oil & Gas Operator | Nov 2025 |
| 993 | Lofton, W. A. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 1998 |
| 994 | Log Energy | MT Gilead, OH 43338 | Oil Operator | Dec 2025 |
| 995 | Log Operating, LLC | Eagle Pass, TX 78853 | Oil & Gas Operator | Sep 2026 |
| 996 | Logan Clay Prod Company | Logan, OH 43138 | Oil & Gas Operator | Dec 2005 |
| 997 | Logan Gas Inc | Logan, OH 43138 | Oil & Gas Operator | Dec 2025 |
| 998 | Logan Oil, LLC | | Oil & Gas Operator | May 2010 |
| 999 | Logan Productions LLC | Wewoka, OK 74884 | Oil Operator | May 2025 |
| 1000 | Logas Energy, LLC | Lafayette, LA 70508 | Oil & Gas Operator | Sep 2026 |