| 901 | Little Bear Resources LLC | Stillwater, OK 74074-1388 | Oil & Gas Operator | Feb 2013 |
| 902 | Little Chicago Oil & Gas Inc | Edmond, OK 73034-0809 | Oil & Gas Operator | Dec 2017 |
| 903 | Little Chief Energy Corporation | Independence, KS 67301 | Oil Operator | Apr 2025 |
| 904 | Little Creek Properties Inc. | | Oil Operator | Apr 2025 |
| 905 | Little Cypress Oil & Gas, L.L.C. | Fullerton, CA 92834 | Oil Operator | Jul 2025 |
| 906 | Little Drop Oil Company | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 907 | Little Guy Oil & Gas, Inc. | Pratt, KS 67124 | Oil Operator | Aug 2013 |
| 908 | Little Iowa LLC | Sinclairville, NY 14782 | Gas Operator | Dec 2024 |
| 909 | Little Jewel LLC | | Oil & Gas Operator | Apr 2025 |
| 910 | Little Joe'S Oil Company | | Oil Operator | Jul 2020 |
| 911 | Little Man Gas, LLC | Pikeville, KY 41501 | Gas Operator | Dec 2021 |
| 912 | Little Neil Oil | | Oil Operator | Jul 1994 |
| 913 | Little O Oil Company | Velma, OK 73091-0425 | Oil & Gas Operator | Apr 2015 |
| 914 | Little Oil & Gas | Pampa, TX 79065 | Oil & Gas Operator | Jul 2025 |
| 915 | Little Oil And Gas, Inc. | Farmington, NM 87499 | Oil & Gas Operator | Aug 2005 |
| 916 | Little Oil Company LLC | Cushing, OK 74023 | Oil Operator | Apr 2025 |
| 917 | Little River Energy Company | Drumright, OK 74030 | Oil & Gas Operator | May 2025 |
| 918 | Little Thunder, LLC | Bartlesville, OK 74003 | Oil Operator | Apr 2025 |
| 919 | Little, Jay R. | Limestone, NY 14753 | Oil & Gas Operator | Dec 2024 |
| 920 | Little, Lou Operating Co., Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2014 |
| 921 | Little, Quintin Company,Inc.,The | Ardmore, OK 73402 | Oil & Gas Operator | Jul 2025 |
| 922 | Littlefield Oil & Gas Company | | Oil & Gas Operator | Jan 1990 |
| 923 | Littlepage, Tommy | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 924 | Littrell Chemical Inc | Cleo Springs, OK 73729 | Oil & Gas Operator | Jan 2005 |
| 925 | Litzenberger Exploration | Waynoka, OK 73860 | Oil & Gas Operator | Jul 1996 |
| 926 | Litzenberger Exploration Inc | Waynoka, OK 73860 | Oil & Gas Operator | May 2025 |
| 927 | Live Oak Energy, Inc. | | Oil & Gas Operator | Dec 2011 |
| 928 | Live Oak Gas Company | Dallas, TX 75251 | Oil & Gas Operator | Jul 2025 |
| 929 | Live Oak Op & Production, L.L.C. | Austin, TX 78759 | Oil & Gas Operator | Nov 2011 |
| 930 | Live Oak Petroleum, Inc. | Dallas, TX 75251 | Gas Operator | Mar 2001 |
| 931 | Live Oak Reserves, Inc. | Houston, TX 77019 | Oil & Gas Operator | Jul 2025 |
| 932 | Live Oak/Operations, Inc. | Houston, TX 77019 | Gas Operator | Jul 2011 |
| 933 | Lively Energy & Development Corp | Boerne, TX 78015 | Oil & Gas Operator | May 2015 |
| 934 | Lively Exploration Company | Houston, TX 77063 | Oil & Gas Operator | Jul 2025 |
| 935 | Livingston, David Oil Company | Haskell, TX 79521 | Oil & Gas Operator | Aug 2003 |
| 936 | Livingston, F. L. | Megargel, TX 76370 | Oil & Gas Operator | May 2018 |
| 937 | Lizard Lick Transport, LLC | Grandfalls, TX 79742 | Oil & Gas Operator | Jul 2025 |
| 938 | Lizard Oil & Gas, LLC | Bloomfield, NM 87413 | Oil & Gas Operator | Feb 2017 |
| 939 | LKD Corp. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2018 |
| 940 | LKKTX 2018, LLC | Wichita Falls, TX 76305 | Oil Operator | Jul 2025 |
| 941 | LKM Oil & Gas | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2024 |
| 942 | LKM Oil And Gas LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2025 |
| 943 | Lko Operating LLC | | Oil & Gas Operator | Feb 2017 |
| 944 | LL&N Oil & Gas Co., Inc. | | Oil Operator | Sep 1982 |
| 945 | Llano Land & Exploration Co | Roswell, NM 88202 | Oil & Gas Operator | Sep 2004 |
| 946 | Llano Management Company, Inc. | El Campo, TX 77437 | Gas Operator | Oct 2001 |
| 947 | Llano Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2025 |
| 948 | Llewellin Operating Company, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2017 |
| 949 | LLJ Ventures, LLC Dba Marker Oil & Gas | Roswell, NM 88202 | Oil & Gas Operator | Apr 2022 |
| 950 | Llog Expl. Co. | Metairie, LA 70005 | Oil & Gas Operator | Jan 2003 |
| 951 | Llog Expl. Co.-Biggs | | Oil Operator | Sep 1985 |
| 952 | Llog Exploration & Prod Co | | Oil & Gas Operator | Jul 2000 |
| 953 | Llog Exploration Company, L.L.C. | | Oil & Gas Operator | May 2025 |
| 954 | Llog Exploration Offshore, Inc. | Covington, LA 70433 | Oil & Gas Operator | Aug 2004 |
| 955 | Llog Exploration Texas, L.P. | Covington, LA 70433 | Oil & Gas Operator | Jul 2025 |
| 956 | Llog Production Company | Metairie, LA 70005 | Oil & Gas Operator | Apr 1995 |
| 957 | Llosu Corporation | Rawlins, WY 82301 | Oil & Gas Operator | Mar 2002 |
| 958 | Llox, L.L.C. | Covington, LA 70433 | Oil & Gas Operator | Jul 2025 |
| 959 | Lloyd Drilling C | | Oil Operator | Aug 1995 |
| 960 | Lloyd Drilling Company | Morland, KS 67650 | Oil Operator | Oct 2009 |
| 961 | Lloyd H. Smith | | Oil & Gas Operator | Mar 1972 |
| 962 | Lloyd M McKenzie | | Oil Operator | Mar 2001 |
| 963 | LLP Gas And Oil Corporation | Dover, OH 44622 | Oil & Gas Operator | Dec 2024 |
| 964 | LLR Operating | Pampa, TX 79065 | Oil Operator | Jul 2025 |
| 965 | LLT Energy, Inc. | Luling, TX 78648 | Oil & Gas Operator | Jul 2025 |
| 966 | LMH Energy | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2025 |
| 967 | LMN Oil And Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Mar 2008 |
| 968 | LMP Exploration Operating, LLC | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Feb 2008 |
| 969 | LMP Petroleum, Inc. | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Jan 2010 |
| 970 | LNG Gathering Company | | Oil Operator | Oct 2024 |
| 971 | LNH Oil Company | Midland, TX 79708 | Oil & Gas Operator | Jan 2006 |
| 972 | LNR Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 973 | Lo-Jel Energy LLC | Oklahoma City, OK 73162-7418 | Oil & Gas Operator | Nov 2019 |
| 974 | Loan Asset Issuer LLC, Series 2021 NG-1 | New York, NY 10022 | Oil & Gas Operator | May 2025 |
| 975 | Lobar Oil Co LLC | Edmond, OK 73013 | Oil & Gas Operator | Apr 2025 |
| 976 | Lobo Energy, Inc. | Laredo, TX 78044 | Oil & Gas Operator | Nov 1996 |
| 977 | Lobo Exploration Company | Yukon, OK 73099 | Oil & Gas Operator | Apr 2025 |
| 978 | Lobo Oil & Gas, LLC | Benedict, KS 66714 | Oil Operator | Jan 2019 |
| 979 | Lobo Oil Company | Woodson, TX 76491 | Oil & Gas Operator | Sep 1999 |
| 980 | Lobo Operating, Inc. | Houston, TX 77077 | Oil & Gas Operator | Dec 2024 |
| 981 | Lobo Operations LLC | | Oil Operator | May 2025 |
| 982 | Lobo Petroleum Inc | Guymon, OK 73942-0714 | Oil Operator | Jul 2016 |
| 983 | Lobo Production, Inc | Goodland, KS 67735 | Gas Operator | Mar 2025 |
| 984 | Lobo Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 985 | Lobo Resources, LTD. | Houston, TX 77077 | Oil & Gas Operator | Apr 1994 |
| 986 | Lobodo Inc. | | Oil & Gas Operator | Apr 2003 |
| 987 | Local, Inc. | Orange Park, FL 32073 | Oil & Gas Operator | Feb 2025 |
| 988 | Locators Oil And Gas Inc | Guthrie, OK 73044 | Oil & Gas Operator | Oct 2022 |
| 989 | Locin Oil Corporation | Katy, TX 77494 | Oil & Gas Operator | Jul 2025 |
| 990 | Lock 3 Company | Pittsburgh, PA 15220 | Oil & Gas Operator | Dec 2017 |
| 991 | Lock Arbor Production Co | | Gas Operator | Aug 1987 |
| 992 | Lockard Petroleum, Inc. | Hamilton, KS 66853 | Oil Operator | Mar 2025 |
| 993 | Locke Stock & Barrel Res Inc | Calgary, AB T2P3G | Oil Operator | Nov 1998 |
| 994 | Locke-Taylor Drilling Co | Rifle, CO 81650 | Gas Operator | Mar 2006 |
| 995 | Lockhart Oil LLC | Neosho Falls, KS 66758 | Oil Operator | Mar 2025 |
| 996 | Lockout Corporation | Austin, TX 78746 | Oil & Gas Operator | Jul 2025 |
| 997 | Lockridge, John P | Denver, CO 80202 | Gas Operator | Mar 1999 |
| 998 | Loco | Casper, WY 82602 | Oil & Gas Operator | Jul 2022 |
| 999 | Loco Oil Company | Loco, OK 73442 | Oil Operator | Feb 1993 |
| 1000 | Locust Ridge Gas Company | | Oil Operator | Mar 2003 |