| 18101 | LP Robinson Holdings, L.L.C. | Abilene, TX 79608 | Oil Operator | Feb 2026 |
| 18102 | LPB Oil Co. | | Oil & Gas Operator | Apr 1991 |
| 18103 | Lpes, Inc. | Provo, UT 84604 | Oil & Gas Operator | Nov 2018 |
| 18104 | LPR Energy, LLC | Dallas, TX 75219 | Oil & Gas Operator | Feb 2026 |
| 18105 | LR Energy, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2025 |
| 18106 | LRC Development Corporation | Hays, KS 67601 | Oil Operator | Mar 2009 |
| 18107 | Lre Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2016 |
| 18108 | LRR IV Operating Inc | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 18109 | LRR Partnership | | Oil Operator | Sep 2023 |
| 18110 | LRR Pecos Valley, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 18111 | Lse Energy Co. | | Oil Operator | Mar 1989 |
| 18112 | Lse Energy Operating Co. Inc. | | Oil Operator | Jun 1996 |
| 18113 | LSM Ventures, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2020 |
| 18114 | LT Oil Co LLC | Pleasantville, PA 16341-0144 | Oil Operator | Dec 2025 |
| 18115 | LT Oil Company | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 18116 | LT Oil LLC | San Marcos, TX 78666 | Oil Operator | Feb 2026 |
| 18117 | LTJ Enterprises LLC | Lone Grove, OK 73443 | Oil & Gas Operator | May 2025 |
| 18118 | LTS Oil & Gas | Lubbock, TX 79424 | Oil & Gas Operator | Feb 2026 |
| 18119 | LTS Oil & Gas A | Lubbock, TX 79424 | Oil & Gas Operator | Feb 2026 |
| 18120 | LTX Productions, Inc. | Houston, TX 77095 | Oil & Gas Operator | Jul 2008 |
| 18121 | Lu-Ray Petroleum LLC | Oklahoma City, OK 73121-1607 | Oil & Gas Operator | Dec 2025 |
| 18122 | Lubar Oil Co. | | Oil Operator | Nov 1983 |
| 18123 | Lubbock Energy, Inc. | Lubbock, TX 79453 | Oil & Gas Operator | Oct 1996 |
| 18124 | Lubell Oil Company | Tulsa, OK 74103 | Gas Operator | Jul 1993 |
| 18125 | Luca Operation, LLC | | Oil & Gas Operator | Feb 2016 |
| 18126 | Luca Resources Group, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 18127 | Lucas Energy, Inc. | Houston, TX 77067 | Oil & Gas Operator | Feb 2017 |
| 18128 | Lucas George C | | Oil Operator | Jul 2014 |
| 18129 | Lucas Well Service, Inc. | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |
| 18130 | Luchshyn Harry E And Dannemiller William F | | Oil & Gas Operator | Dec 1994 |
| 18131 | Lucky Ace Petroleum LLC | Carrollton, TX 75010-4232 | Oil Operator | Oct 2021 |
| 18132 | Lucky Bird Too | Borger, TX 79008 | Oil & Gas Operator | Feb 2026 |
| 18133 | Lucky Crude, LLC | Erie, KS 66733 | Oil Operator | Sep 2025 |
| 18134 | Lucky Four Oil & Gas Company | Sasakwa, OK 74867 | Oil & Gas Operator | Dec 2025 |
| 18135 | Lucky Iron | | Oil Operator | Sep 2025 |
| 18136 | Lucky Lad Energy, LLC | Magnolia, TX 77353 | Oil & Gas Operator | Feb 2026 |
| 18137 | Lucky Oil & Gas | Malibu, CA 90265 | Oil & Gas Operator | Feb 2026 |
| 18138 | Lucky Oil Company | Comanche, OK 73529-0009 | Oil Operator | Dec 2025 |
| 18139 | Lucky Run, LLC | | Oil Operator | Dec 2019 |
| 18140 | Lucky Strike Production LLC | | Oil Operator | Dec 2024 |
| 18141 | Luconda Oil | Pampa, TX 79066 | Oil & Gas Operator | Feb 2026 |
| 18142 | Lucre Oil Company | Muskogee, OK 74401-5099 | Oil & Gas Operator | Jun 2019 |
| 18143 | Lucros International Corporation | Van Buren, AR 72956 | Oil & Gas Operator | Feb 2026 |
| 18144 | Ludco Inc | Caledonia, OH 43314 | Oil & Gas Operator | Dec 1986 |
| 18145 | Ludco Incorporat | | Gas Operator | Mar 1990 |
| 18146 | Ludlow Oil & Gas Company LLC | New Matamoras, OH 45767-5058 | Oil & Gas Operator | Dec 2024 |
| 18147 | Ludwig Cleo R | Caledonia, OH 43314 | Oil & Gas Operator | Dec 1987 |
| 18148 | Luff Exploration | Denver, CO 80203 | Oil & Gas Operator | Dec 2006 |
| 18149 | Luff Exploration Company | Denver, CO 80203 | Oil & Gas Operator | Dec 2025 |
| 18150 | Luffey Gas Corp. | | Gas Operator | Dec 2008 |
| 18151 | Luffey Gas Corp.-Graff | | Gas Operator | Oct 1994 |
| 18152 | Luffey-Stinson Gas Corporation | | Gas Operator | Sep 2018 |
| 18153 | Lufkin Production Company Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 18154 | Luke Oil Company | Bristow, OK 74010 | Oil & Gas Operator | Dec 2025 |
| 18155 | Luke, D.L. Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Feb 2026 |
| 18156 | Luke, W. J. | Muenster, TX 76252 | Oil & Gas Operator | Mar 2013 |
| 18157 | Luling O&G LLC | Cibolo, TX 78108 | Oil & Gas Operator | Feb 2026 |
| 18158 | Luling Oil & Gas Co Inc | San Antonio, TX 78209 | Oil Operator | Dec 1986 |
| 18159 | Luling Well Service | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 18160 | Luloc Oil Co. | Lockhart, TX 78644 | Oil & Gas Operator | Aug 2003 |
| 18161 | Lulu & Thomas Kavouras | Apollo, PA 15613-1108 | Oil & Gas Operator | Dec 2023 |
| 18162 | Lumbley, W. F. | Hobbs, NM 88242 | Oil & Gas Operator | Jan 2008 |
| 18163 | Lunar Investments Inc | Oklahoma City, OK 73118-4823 | Oil & Gas Operator | Nov 2025 |
| 18164 | Lunar Oil Company | Midland, TX 79708 | Oil & Gas Operator | Feb 1999 |
| 18165 | Lundberg Oil Co. | Dallas, TX 75360 | Oil & Gas Operator | Jan 2003 |
| 18166 | Lundberg Operating Corporation | Dallas, TX 75225 | Oil & Gas Operator | Oct 2002 |
| 18167 | Lundells, Inc. | Freer, TX 78357 | Oil & Gas Operator | Jan 1995 |
| 18168 | Lundvall Oil & Gas Inc | | Oil & Gas Operator | Jan 2023 |
| 18169 | Lundy, Richard C. | Pampa, TX 79066 | Oil & Gas Operator | Aug 1997 |
| 18170 | Lunge, James & Sally | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 18171 | Lunn, Will | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 1997 |
| 18172 | Luoil Inc | Corning, OH 43730 | Oil & Gas Operator | Dec 2024 |
| 18173 | Luray Oil Co., L.L.C. | | Oil Operator | Jan 2025 |
| 18174 | Lusk & Lusk, Inc. | | Oil & Gas Operator | Jul 1984 |
| 18175 | Lusk Nominee Trust | Houston, TX 77098 | Oil & Gas Operator | Jul 2019 |
| 18176 | Lusk Operating LLC | Denver, CO 80202 | Oil Operator | Jun 2017 |
| 18177 | Lutes Daun | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2024 |
| 18178 | Lutex Oil, LTD. | Luling, TX 78648 | Oil & Gas Operator | Sep 2024 |
| 18179 | Luther Oil Inc | Cameron Park, CA 95682-8865 | Oil & Gas Operator | Apr 2020 |
| 18180 | Luther W. Davis | | Oil & Gas Operator | Jun 1996 |
| 18181 | Luttrell, T. Bruce Oil & Gas Opr | Freer, TX 78357 | Oil & Gas Operator | Mar 2008 |
| 18182 | Lutz And Boyd | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 18183 | Lutz, Jerry | Reed City, MI 49677 | Gas Operator | Apr 1987 |
| 18184 | Lutz, Lisa Morgan | Fayetteville, AR 72702 | Oil Operator | Sep 2025 |
| 18185 | Lutz, Scott T. Trust | Fayetteville, AR 72702 | Oil Operator | Mar 2011 |
| 18186 | Lutz, Scott Thomas, Estate Of | Fayetteville, AR 72703 | Oil Operator | Aug 1996 |
| 18187 | Lutz, Thomas C. | | Oil Operator | Dec 2009 |
| 18188 | Luvwell Holdings | Tyler, TX 75701 | Oil Operator | Feb 2026 |
| 18189 | Luween Energy LLC | Oklahoma City, OK 73128 | Oil & Gas Operator | Sep 2025 |
| 18190 | Luxe Operating LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2021 |
| 18191 | Luxor Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2017 |
| 18192 | Lvi Enterprises Trust | Plano, TX 75093-7789 | Oil & Gas Operator | Nov 2014 |
| 18193 | LVM Oil Production LLC | Yale, OK 74085-6688 | Oil & Gas Operator | Jul 2021 |
| 18194 | LVW, Inc. | | Oil & Gas Operator | Dec 2024 |
| 18195 | LW Operating Co. | Wichita Falls, TX 76310 | Oil Operator | Feb 2026 |
| 18196 | Lwood Energy, Inc. | | Oil Operator | Dec 2002 |
| 18197 | LX4, LLC | | Oil Operator | Dec 2025 |
| 18198 | LXS Inc | Stigler, OK 74462-0506 | Gas Operator | Nov 2013 |
| 18199 | Lyco Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Jun 2015 |
| 18200 | Lyco Operating Company | Dallas, TX 75206 | Gas Operator | Dec 1997 |