| 16901 | Longacre-Moore Oil Co | | Oil & Gas Operator | Jun 1996 |
| 16902 | Longberry Energy Inc | | Gas Operator | Feb 2024 |
| 16903 | Longbotham Energy, LLC | Jackson, TN 38308 | Oil Operator | May 2024 |
| 16904 | Longbow LLC | | Oil & Gas Operator | Mar 2024 |
| 16905 | Longbranch Energy, LP | Center, TX 75935 | Oil & Gas Operator | May 2024 |
| 16906 | Longbranch Oil Company | Oklahoma City, OK 73154-0735 | Oil & Gas Operator | Mar 2018 |
| 16907 | Longfellow Energy, LP | Dallas, TX 75225 | Oil & Gas Operator | May 2024 |
| 16908 | Longhorn Crude, LLC | Jetmore, KS 67854 | Oil Operator | Nov 2023 |
| 16909 | Longhorn Energy | | Oil & Gas Operator | Jun 1991 |
| 16910 | Longhorn Estates & Cattle Co. LLC | | Oil Operator | Feb 2024 |
| 16911 | Longhorn Mineral Corporation | Bellaire, TX 77401 | Oil & Gas Operator | May 2018 |
| 16912 | Longhorn Oil & Gas | | Oil Operator | Nov 2023 |
| 16913 | Longhorn Oil & Gas Company | | Oil & Gas Operator | Sep 1982 |
| 16914 | Longhorn Oil Properties, Inc. | Pottsboro, TX 75076 | Oil & Gas Operator | May 2024 |
| 16915 | Longhorn Propert | | Oil Operator | Feb 1989 |
| 16916 | Longhorn Service & Drilling Co. | Kermit, TX 79745 | Oil & Gas Operator | Jun 2019 |
| 16917 | Longhurst Oil & Gas Inc | | Oil & Gas Operator | Nov 2013 |
| 16918 | Longleaf Energy Group, Inc. | Brewton, AL 36426 | Oil & Gas Operator | Feb 2004 |
| 16919 | Longleaf Gas & Oil | | Oil Operator | May 2010 |
| 16920 | Longleaf Production, LLC | Arlington, TX 76013 | Oil & Gas Operator | May 2024 |
| 16921 | Longs Peak Resources LLC | Houston, TX 77019 | Oil & Gas Operator | Feb 2024 |
| 16922 | Longshot Energy LLC | League City, TX 77573 | Oil Operator | May 2024 |
| 16923 | Longton Explorat | | Oil & Gas Operator | Jul 1993 |
| 16924 | Longview Production Company | Dallas, TX 75243-3795 | Oil & Gas Operator | Feb 2024 |
| 16925 | Longview Production, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2002 |
| 16926 | Longville Production Co., Inc. | | Oil & Gas Operator | Sep 1995 |
| 16927 | Lonnie Ware | Wynona, OK 74084 | Oil & Gas Operator | Feb 2024 |
| 16928 | Lonny Bruce Operations, L.L.C. | McPherson, KS 67460 | Oil & Gas Operator | Apr 2009 |
| 16929 | Lor-Rob Associates L.L.C. | East Bethany, NY 14054 | Gas Operator | Dec 2022 |
| 16930 | Lorac, Inc. | Dallas, TX 75252 | Oil & Gas Operator | May 2024 |
| 16931 | Loral Operating LLC | Sheridan, WY 82801 | Gas Operator | Apr 2011 |
| 16932 | Lord Enterprises Inc | Oklahoma City, OK 73106-5050 | Oil & Gas Operator | Sep 2000 |
| 16933 | Lorentz Oil & Gas LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2024 |
| 16934 | Lorenz & Bosanko | San Antonio, TX 78247 | Oil & Gas Operator | May 2024 |
| 16935 | Lorenz, Barton T. | Cherryvale, KS 67335 | Oil & Gas Operator | Jul 2013 |
| 16936 | Lorenz, J. P., Jr. | La Vernia, TX 78121 | Oil & Gas Operator | Mar 2008 |
| 16937 | Lorenz, James D. | Parsons, KS 67357 | Oil & Gas Operator | May 2014 |
| 16938 | Lorenzen Oil Company, Inc. | O?Fallon, MO 63368 | Oil Operator | Dec 2023 |
| 16939 | Loretto, Jason C. | Alden, NY 14004 | Gas Operator | Dec 2022 |
| 16940 | Lorlan Oil Company | Wink, TX 79789 | Oil & Gas Operator | Aug 2020 |
| 16941 | Los Angeles Unified School District | | Oil Operator | Dec 2014 |
| 16942 | Losure Pet. Co. | Borger, TX 79008 | Oil & Gas Operator | Apr 2014 |
| 16943 | Losure, Ken | Borger, TX 79008 | Oil & Gas Operator | May 2024 |
| 16944 | Lotex Exploration & Prod. Co. | Carrollton, TX 75006 | Oil & Gas Operator | Jul 2011 |
| 16945 | Lothes John W | Newark, OH 43055 | Oil & Gas Operator | Dec 2023 |
| 16946 | Lothian Oil Texas I, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Mar 2008 |
| 16947 | Loto Energy LLC | Saint Louis, MO 63105-1621 | Oil & Gas Operator | Mar 2024 |
| 16948 | Lott Production Company | San Antonio, TX 78217 | Oil & Gas Operator | May 2024 |
| 16949 | Lotter Gas Co., Inc. | | Gas Operator | Apr 2009 |
| 16950 | Lottie Oil Co. | Seguin, TX 78156 | Oil & Gas Operator | Apr 1996 |
| 16951 | Lotus O&G, LLC | Mansfield, TX 76063 | Oil Operator | May 2024 |
| 16952 | Lotus Operating Company, L.L.C. | Wichita, KS 67204 | Oil & Gas Operator | Jan 2024 |
| 16953 | Lou Dennis Oil Company Inc | Ada, OK 74820-2303 | Oil & Gas Operator | Jun 2016 |
| 16954 | Loudel, Inc. | Perryton, TX 79070 | Oil & Gas Operator | May 2024 |
| 16955 | Loudon Exploration, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Mar 2008 |
| 16956 | Loudon Operating Company, L.L.C. | Dallas, TX 75206 | Oil & Gas Operator | May 2024 |
| 16957 | Louis Dreyfus Gas Marketing | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2018 |
| 16958 | Louis Dreyfus Natural Gas Corp. | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2015 |
| 16959 | Louis Dreyfus Natural Gas Inc | Houston, TX 770103088 | Oil & Gas Operator | Sep 1997 |
| 16960 | Louis J. Roussel | | Oil & Gas Operator | Sep 1991 |
| 16961 | Louisiana Crude Oil&Gas Co Inc | | Oil & Gas Operator | Mar 1984 |
| 16962 | Louisiana Delta Oil Co, LLC | | Oil & Gas Operator | Jan 2024 |
| 16963 | Louisiana Energy & Environmental, Inc. | | Oil & Gas Operator | Aug 2015 |
| 16964 | Louisiana Energy Consultant Inc. | Kilgore, TX 75663 | Oil & Gas Operator | May 2024 |
| 16965 | Louisiana Energy Consultants, Inc. | | Oil & Gas Operator | Dec 2023 |
| 16966 | Louisiana Energy Investors, L.L.C. | | Oil & Gas Operator | Jun 2016 |
| 16967 | Louisiana Fuel Oil Corporation | | Oil Operator | Aug 1997 |
| 16968 | Louisiana Gas Development Corp | | Oil & Gas Operator | Jan 2024 |
| 16969 | Louisiana Gas Production Co | | Gas Operator | Dec 1996 |
| 16970 | Louisiana Gas Service Co. | | Oil Operator | May 2004 |
| 16971 | Louisiana Gas System, Inc. | | Oil Operator | Apr 2004 |
| 16972 | Louisiana General Petr. Corp. | | Oil & Gas Operator | Mar 1980 |
| 16973 | Louisiana Intrastate Gas Corp. | | Oil Operator | Feb 1994 |
| 16974 | Louisiana Jordan Oil Co, Inc. | Lake Charles, LA 70602 | Oil & Gas Operator | Dec 2023 |
| 16975 | Louisiana Land & Exploration Co. | Houston, TX 77210 | Oil & Gas Operator | Sep 2013 |
| 16976 | Louisiana Leasing & Expl, Inc. | | Oil & Gas Operator | Apr 2011 |
| 16977 | Louisiana Minerals, LTD. | Houston, TX 77024 | Oil & Gas Operator | Jul 1988 |
| 16978 | Louisiana Offshore Exploration, L.L.C. | | Oil & Gas Operator | Dec 2023 |
| 16979 | Louisiana Operating Co., Inc. | | Oil & Gas Operator | Aug 1994 |
| 16980 | Louisiana Resources Co | | Oil Operator | May 1992 |
| 16981 | Louisiana Tank, Inc. | | Oil Operator | Mar 2023 |
| 16982 | Louisiana-Caddo Invest, Inc. | | Oil & Gas Operator | Jun 2008 |
| 16983 | Louisiana-Hunt Petroleum Corp. | | Oil & Gas Operator | Dec 1985 |
| 16984 | Louisville Gas & Electric Co | Louisville, KY 40241 | Oil Operator | Dec 2022 |
| 16985 | Loundagin N B | Casper, WY 82602 | Oil & Gas Operator | Sep 2015 |
| 16986 | Loutex Energy, Inc. | Shrevesport, LA 71101 | Oil & Gas Operator | Apr 1992 |
| 16987 | Loutex Production Company | Kilgore, TX 75663 | Oil & Gas Operator | May 2024 |
| 16988 | Lovelady, I. W. | Albuquerque, NM 87111 | Oil & Gas Operator | Jan 1996 |
| 16989 | Loveland Energy LLC | Wichita, KS 67206 | Oil Operator | Dec 2009 |
| 16990 | Loveless Properties | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2021 |
| 16991 | Lovell Keith | Stillwater, OK 74074-6459 | Oil & Gas Operator | Jan 2020 |
| 16992 | Loving Company (The) | Broken Arrow, OK 74014-0001 | Oil & Gas Operator | May 2013 |
| 16993 | Low D J | Littleton, CO 80127 | Oil Operator | Dec 1999 |
| 16994 | Low-End Oil LLC | Austin, TX 78748 | Oil Operator | May 2024 |
| 16995 | Lowe Kenneth | Jennings, OK 74038 | Oil & Gas Operator | Feb 2023 |
| 16996 | Lowe, Dean | Albany, TX 76430 | Oil Operator | May 2024 |
| 16997 | Lowe, Wallace W | | Oil Operator | Dec 2013 |
| 16998 | Lower 15 Oil Corporation | Gilbertown, AL 36908 | Oil & Gas Operator | Dec 2023 |
| 16999 | Lower Colorado River Authority | Bastrop, TX 78602 | Oil & Gas Operator | May 2024 |
| 17000 | Lower Lafourche Corporation | | Oil & Gas Operator | Dec 1996 |