| 17101 | Louisiana Operating Co., Inc. | | Oil & Gas Operator | Aug 1994 |
| 17102 | Louisiana Resources Co | | Oil Operator | May 1992 |
| 17103 | Louisiana Tank, Inc. | | Oil Operator | Mar 2023 |
| 17104 | Louisiana-Caddo Invest, Inc. | | Oil & Gas Operator | Jun 2008 |
| 17105 | Louisiana-Hunt Petroleum Corp. | | Oil & Gas Operator | Dec 1985 |
| 17106 | Loundagin N B | Casper, WY 82602 | Oil & Gas Operator | Sep 2015 |
| 17107 | Loutex Energy, Inc. | | Oil & Gas Operator | Nov 1987 |
| 17108 | Loutex Production Company | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 17109 | Lovelady, I. W. | Albuquerque, NM 87111 | Oil & Gas Operator | Jan 1996 |
| 17110 | Loveland Energy LLC | Wichita, KS 67206 | Oil Operator | Dec 2009 |
| 17111 | Loveless Properties | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2021 |
| 17112 | Lovell Keith | Stillwater, OK 74074-6459 | Oil & Gas Operator | Jan 2020 |
| 17113 | Loving Company (The) | Broken Arrow, OK 74014-0001 | Oil & Gas Operator | May 2013 |
| 17114 | Low D J | Littleton, CO 80127 | Oil Operator | Dec 1999 |
| 17115 | Low-End Oil LLC | Austin, TX 78748 | Oil Operator | Apr 2026 |
| 17116 | Lowe Kenneth | Jennings, OK 74038 | Oil & Gas Operator | Sep 2025 |
| 17117 | Lowe, Dean | Albany, TX 76430 | Oil Operator | Apr 2026 |
| 17118 | Lowe, Wallace W | | Oil Operator | Dec 2013 |
| 17119 | Lower 15 Oil Corporation | | Oil & Gas Operator | Jan 2026 |
| 17120 | Lower Colorado River Authority | Bastrop, TX 78602 | Oil & Gas Operator | Apr 2026 |
| 17121 | Lower Lafourche Corporation | | Oil & Gas Operator | Jan 1997 |
| 17122 | Lowmar Exploration Co. | | Oil & Gas Operator | Feb 1990 |
| 17123 | Lowrance & Ray Exploration, Inc. | Fort Worth, TX 76147 | Oil & Gas Operator | Sep 2003 |
| 17124 | Lowrance Inc. | Eastland, TX 76448 | Oil & Gas Operator | Apr 2026 |
| 17125 | Lowrance, Darrell A. | Cut Bank, MT 59427 | Oil Operator | Aug 2007 |
| 17126 | Lowrance, Gene | Chico, TX 76431 | Oil & Gas Operator | Aug 2003 |
| 17127 | Lowry Exploratio | | Oil Operator | May 1994 |
| 17128 | Lowry Exploration Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2026 |
| 17129 | Lowry Oil & Gas LLC | Norwich, OH 43767 | Oil & Gas Operator | Dec 2025 |
| 17130 | Lowther, Dan M | Alum Bridge, WV 26321 | Oil & Gas Operator | Dec 2020 |
| 17131 | Loyd E. Simar | | Oil & Gas Operator | Aug 2001 |
| 17132 | Loyd, John H. | Warrensburg, MO 64903 | Oil Operator | Aug 2000 |
| 17133 | Lozano Oil Company Inc. | Houston, TX 77082 | Oil & Gas Operator | Apr 2026 |
| 17134 | LP Operating, LLC | Boerne, TX 78006 | Oil & Gas Operator | Apr 2026 |
| 17135 | LP Robinson Holdings, L.L.C. | Abilene, TX 79608 | Oil Operator | Apr 2026 |
| 17136 | Lpadams Consulting LLC | Guthrie, OK 73044-3543 | Oil Operator | Jan 2026 |
| 17137 | LPB Oil Co. | | Oil & Gas Operator | Apr 1991 |
| 17138 | Lpes, Inc. | Provo, UT 84604 | Oil & Gas Operator | Nov 2018 |
| 17139 | LPR Energy, LLC | Dallas, TX 75219 | Oil & Gas Operator | Apr 2026 |
| 17140 | LR Energy, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Dec 2025 |
| 17141 | LRC Development Corporation | Hays, KS 67601 | Oil Operator | Mar 2009 |
| 17142 | Lre Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2016 |
| 17143 | LRR IV Operating Inc | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 17144 | LRR Partnership | | Oil Operator | Sep 2023 |
| 17145 | LRR Pecos Valley, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 17146 | Lse Energy Co. | | Oil Operator | Mar 1989 |
| 17147 | Lse Energy Operating Co. Inc. | | Oil Operator | Jun 1996 |
| 17148 | LSM Ventures, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2020 |
| 17149 | LT Oil Co LLC | Pleasantville, PA 16341-0144 | Oil Operator | Dec 2025 |
| 17150 | LT Oil Company | Midland, TX 79705 | Oil & Gas Operator | Apr 2026 |
| 17151 | LT Oil LLC | San Marcos, TX 78666 | Oil Operator | Apr 2026 |
| 17152 | LTJ Enterprises LLC | Lone Grove, OK 73443 | Oil & Gas Operator | May 2025 |
| 17153 | LTS Oil & Gas | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2026 |
| 17154 | LTS Oil & Gas A | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2026 |
| 17155 | LTX Productions, Inc. | Houston, TX 77095 | Oil & Gas Operator | Jul 2008 |
| 17156 | Lu-Ray Petroleum LLC | Oklahoma City, OK 73121-1607 | Oil & Gas Operator | Feb 2026 |
| 17157 | Lubar Oil Co. | | Oil Operator | Nov 1983 |
| 17158 | Lubbock Energy, Inc. | Lubbock, TX 79453 | Oil & Gas Operator | Oct 1996 |
| 17159 | Lubell Oil Company | Tulsa, OK 74103 | Gas Operator | Jul 1993 |
| 17160 | Luca Operation, LLC | | Oil & Gas Operator | Feb 2016 |
| 17161 | Lucas Energy, Inc. | Houston, TX 77067 | Oil & Gas Operator | Feb 2017 |
| 17162 | Lucas George C | | Oil Operator | Jul 2014 |
| 17163 | Lucas Well Service, Inc. | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |
| 17164 | Luchshyn Harry E And Dannemiller William F | | Oil & Gas Operator | Dec 1994 |
| 17165 | Lucky Ace Petroleum LLC | Carrollton, TX 75010-4232 | Oil Operator | Oct 2021 |
| 17166 | Lucky Bird Too | Borger, TX 79008 | Oil & Gas Operator | Apr 2026 |
| 17167 | Lucky Crude, LLC | Erie, KS 66733 | Oil Operator | Nov 2025 |
| 17168 | Lucky Four Oil & Gas Company | Sasakwa, OK 74867 | Oil & Gas Operator | Jan 2026 |
| 17169 | Lucky Iron | | Oil Operator | Dec 2025 |
| 17170 | Lucky Lad Energy, LLC | Magnolia, TX 77353 | Oil & Gas Operator | Apr 2026 |
| 17171 | Lucky Oil & Gas | Malibu, CA 90265 | Oil & Gas Operator | Apr 2026 |
| 17172 | Lucky Oil Company | Comanche, OK 73529-0009 | Oil Operator | Dec 2025 |
| 17173 | Lucky Run, LLC | | Oil Operator | Dec 2019 |
| 17174 | Lucky Strike Production LLC | | Oil Operator | Dec 2024 |
| 17175 | Luconda Oil | Pampa, TX 79066 | Oil & Gas Operator | Jan 2026 |
| 17176 | Lucre Oil Company | Muskogee, OK 74401-5099 | Oil & Gas Operator | Jun 2019 |
| 17177 | Lucros International Corporation | Van Buren, AR 72956 | Oil & Gas Operator | Apr 2026 |
| 17178 | Ludco Inc | Caledonia, OH 43314 | Oil & Gas Operator | Dec 1986 |
| 17179 | Ludco Incorporat | | Gas Operator | Mar 1990 |
| 17180 | Ludlow Oil & Gas Company LLC | New Matamoras, OH 45767-5058 | Oil & Gas Operator | Dec 2024 |
| 17181 | Ludwig Cleo R | Caledonia, OH 43314 | Oil & Gas Operator | Dec 1987 |
| 17182 | Luff Exploration | Denver, CO 80203 | Oil & Gas Operator | Dec 2006 |
| 17183 | Luff Exploration Company | Denver, CO 80203 | Oil & Gas Operator | Feb 2026 |
| 17184 | Luffey Gas Corp. | | Gas Operator | Dec 2008 |
| 17185 | Luffey Gas Corp.-Graff | | Gas Operator | Oct 1994 |
| 17186 | Luffey-Stinson Gas Corporation | | Gas Operator | Sep 2018 |
| 17187 | Lufkin Production Company Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2026 |
| 17188 | Luke Oil Company | Bristow, OK 74010 | Oil & Gas Operator | Jan 2026 |
| 17189 | Luke, D.L. Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2026 |
| 17190 | Luke, W. J. | Muenster, TX 76252 | Oil & Gas Operator | Mar 2013 |
| 17191 | Luling O&G LLC | Cibolo, TX 78108 | Oil & Gas Operator | Apr 2026 |
| 17192 | Luling Oil & Gas Co Inc | San Antonio, TX 78209 | Oil Operator | Dec 1986 |
| 17193 | Luling Well Service | Luling, TX 78648 | Oil & Gas Operator | Apr 2026 |
| 17194 | Luloc Oil Co. | Lockhart, TX 78644 | Oil & Gas Operator | Aug 2003 |
| 17195 | Lulu & Thomas Kavouras | Apollo, PA 15613-1108 | Oil & Gas Operator | Dec 2023 |
| 17196 | Lumbley, W. F. | Hobbs, NM 88242 | Oil & Gas Operator | Jan 2008 |
| 17197 | Lunar Investments Inc | Oklahoma City, OK 73118-4823 | Oil & Gas Operator | Jan 2026 |
| 17198 | Lunar Oil Company | Midland, TX 79708 | Oil & Gas Operator | Feb 1999 |
| 17199 | Lundberg Oil Co. | Dallas, TX 75360 | Oil & Gas Operator | Jan 2003 |
| 17200 | Lundberg Operating Corporation | Dallas, TX 75225 | Oil & Gas Operator | Oct 2002 |