| 18101 | Marlin Energy Offshore, L.L.C. | | Oil & Gas Operator | Jun 2006 |
| 18102 | Marlin Energy Resources, LLC | Lafayette, LA 70503 | Oil & Gas Operator | May 2018 |
| 18103 | Marlin Energy Southwest GP, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Jul 2025 |
| 18104 | Marlin Expl.,Inc&Exchg O&G Co | | Oil & Gas Operator | Jun 1987 |
| 18105 | Marlin Exploration, Inc. | | Oil & Gas Operator | Oct 2006 |
| 18106 | Marlin Exploration, LLC | | Oil & Gas Operator | May 2025 |
| 18107 | Marlin Oil Company LLC | Gillette, WY 82718 | Oil & Gas Operator | Mar 2023 |
| 18108 | Marlin Oil Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Apr 2025 |
| 18109 | Marlin Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | May 2025 |
| 18110 | Marlin Pacific Oil & Gas | | Oil & Gas Operator | Dec 2003 |
| 18111 | Marlin Resources, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Jan 2025 |
| 18112 | Marlin, Bruce W | | Oil Operator | Apr 2025 |
| 18113 | Marline Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 1989 |
| 18114 | Marline Petroleum Corporation | | Oil & Gas Operator | Dec 1985 |
| 18115 | Marlow Environmental LLC | Marlow, OK 73055 | Oil Operator | May 2022 |
| 18116 | Marlyn Company | | Oil & Gas Operator | Dec 2009 |
| 18117 | Marmac Petroleum | | Oil & Gas Operator | Oct 1994 |
| 18118 | Marmac Petroleum Company | Denver, CO 80222 | Oil Operator | Apr 1998 |
| 18119 | Marmac Resources Co. | | Oil & Gas Operator | Mar 2015 |
| 18120 | Marmac Resources Inc | | Oil Operator | Nov 1998 |
| 18121 | Marmaton Oil Company | Houston, TX 77002 | Oil & Gas Operator | Jul 1998 |
| 18122 | Marmik Oil Compa | | Oil Operator | Jun 1995 |
| 18123 | Marmik Oil Company | El Dorado, AR 71730 | Oil & Gas Operator | Jan 2015 |
| 18124 | Maroon Energy LLC | Spring, TX 77379 | Oil & Gas Operator | Jul 2025 |
| 18125 | Maroski, Inc. | | Oil Operator | Jan 1989 |
| 18126 | Marple Petroleum LLC | Edmond, OK 73013 | Oil Operator | Apr 2025 |
| 18127 | Marquee Corporation | Houston, TX 77024 | Oil & Gas Operator | Jul 2025 |
| 18128 | Marquis Resources, LLC | | Oil & Gas Operator | Jul 2021 |
| 18129 | Marquis-Allred Eng Inc | | Oil & Gas Operator | Apr 1992 |
| 18130 | Marquise Oil Properties Inc | Konawa, OK 74849 | Oil & Gas Operator | Nov 1992 |
| 18131 | Marr Company | | Oil & Gas Operator | Mar 1989 |
| 18132 | Marr, M. H. | Dallas, TX 75201 | Gas Operator | Jan 2002 |
| 18133 | Marrow, N. S. | Austin, TX 78703 | Oil & Gas Operator | Aug 2012 |
| 18134 | Marrs Bros Oil Co Inc | Drumright, OK 74030 | Oil Operator | Sep 1994 |
| 18135 | Marrs, Richard L.(Deceased) | Arkansas City, KS 67005 | Oil & Gas Operator | Feb 2013 |
| 18136 | Marsh Engineering, Inc. | | Oil & Gas Operator | Dec 1990 |
| 18137 | Marsh Lonnie C | Konawa, OK 74849 | Oil & Gas Operator | Mar 2025 |
| 18138 | Marsh Oil & Gas Company | Pauls Valley, OK 73075 | Oil & Gas Operator | Apr 2025 |
| 18139 | Marsh Oil & Gas Field Services, Inc | Sebree, KY 42455 | Oil & Gas Operator | Dec 2023 |
| 18140 | Marsh Operating Company | Dallas, TX 75221 | Oil & Gas Operator | Mar 2025 |
| 18141 | Marsha Azar | | Oil & Gas Operator | Jan 2017 |
| 18142 | Marshall & McCain | | Oil & Gas Operator | Oct 1988 |
| 18143 | Marshall & Winston, Inc. | Midland, TX 79710 | Oil & Gas Operator | May 2025 |
| 18144 | Marshall Energy, Inc. | Dallas, TX 75243 | Oil & Gas Operator | May 1997 |
| 18145 | Marshall Exploration, Inc. | | Oil & Gas Operator | Jun 1992 |
| 18146 | Marshall Lew L O | | Oil Operator | Jun 1994 |
| 18147 | Marshall Oil Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2017 |
| 18148 | Marshall Oil, LLC | Eureka, KS 67045 | Oil Operator | Mar 2025 |
| 18149 | Marshall Petroleum, Inc. | Houston, TX 77040 | Oil & Gas Operator | Aug 2003 |
| 18150 | Marshall Pipe & Supply Co. | Nocona, TX 76255 | Oil & Gas Operator | Mar 2008 |
| 18151 | Marshall Prod. & Energy Inc. | | Oil & Gas Operator | Jan 1992 |
| 18152 | Marshall Production Co Inc | | Oil & Gas Operator | Jun 1989 |
| 18153 | Marshall R Young Oil Co | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 1996 |
| 18154 | Marshall R. Young Operating, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2025 |
| 18155 | Marshall Richard R | Jeromesville, OH 44840 | Oil & Gas Operator | Dec 2023 |
| 18156 | Marshall Young Oil Co | | Oil & Gas Operator | Jan 2007 |
| 18157 | Marshall, A. B. | Houston, TX 77050 | Oil & Gas Operator | Sep 1995 |
| 18158 | Marshall, Dale | | Gas Operator | Dec 1995 |
| 18159 | Marshall, Sam | Granbury, TX 76048 | Oil & Gas Operator | Aug 2010 |
| 18160 | Marshall, Samuel Meek, Estate Of | Granbury, TX 76048 | Oil & Gas Operator | Jul 2025 |
| 18161 | Marshco Production LLC | Colorado City, TX 79512 | Oil Operator | Jul 2025 |
| 18162 | Marshel Inv | | Oil Operator | Oct 1991 |
| 18163 | Marshfield Oil & Gas, LLC | Houston, TX 77070 | Oil & Gas Operator | Jul 2025 |
| 18164 | Marshland Exploration Company | | Oil & Gas Operator | May 2006 |
| 18165 | Martec Petroleum | | Oil Operator | Jan 1984 |
| 18166 | Martens & Peck Operating Co | | Gas Operator | Feb 1997 |
| 18167 | Martens & Peck Production Co | Denver, CO 80222 | Oil & Gas Operator | Feb 1997 |
| 18168 | Martex Oil & Gas, Inc. | Estes Park, CO 80517 | Oil & Gas Operator | Jul 2025 |
| 18169 | Martin & Richards Oil Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 1995 |
| 18170 | Martin Billy G | Okmulgee, OK 74447 | Oil & Gas Operator | May 2013 |
| 18171 | Martin Bros. Oil | Graham, TX 76450 | Oil & Gas Operator | Dec 1993 |
| 18172 | Martin Burt K | Henryetta, OK 74437 | Oil & Gas Operator | Jul 2008 |
| 18173 | Martin Cannon Interests, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 18174 | Martin Energy LLC | | Oil & Gas Operator | Apr 2023 |
| 18175 | Martin Exploration | Westminster, CO 80030 | Oil & Gas Operator | Dec 1993 |
| 18176 | Martin Exploration Co. | | Oil & Gas Operator | Apr 1986 |
| 18177 | Martin Foree Operating II, LLC | Royse City, TX 75189 | Oil & Gas Operator | Jul 2025 |
| 18178 | Martin Foree Operating, LLC | Royse City, TX 75189 | Oil & Gas Operator | Jul 2025 |
| 18179 | Martin Gas Sales, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | May 1993 |
| 18180 | Martin J S Oil O | | Oil & Gas Operator | Apr 1991 |
| 18181 | Martin John R | Cushing, OK 74023 | Oil & Gas Operator | Apr 1995 |
| 18182 | Martin Jr, James U | | Oil & Gas Operator | Apr 2025 |
| 18183 | Martin Larrey C | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 18184 | Martin Matrix Inc. | San Angelo, TX 76905 | Oil & Gas Operator | Jul 2025 |
| 18185 | Martin Oil & Gas | Freer, TX 78357 | Oil & Gas Operator | Apr 2025 |
| 18186 | Martin Oil & Gas Co. | | Oil Operator | Jul 1981 |
| 18187 | Martin Oil & Gas Inc. | Freer, TX 78357 | Oil & Gas Operator | Jul 2025 |
| 18188 | Martin Oil Co. | Aspermont, TX 79502 | Oil & Gas Operator | Jul 2023 |
| 18189 | Martin Oil LLC | Madison, KS 66860 | Oil Operator | Mar 2025 |
| 18190 | Martin Oil Produ | | Oil & Gas Operator | Dec 1994 |
| 18191 | Martin Oil Producers, Inc. | Garland, TX 75046 | Oil & Gas Operator | Aug 2013 |
| 18192 | Martin Oil Properties | | Oil Operator | Dec 2009 |
| 18193 | Martin Petroleum Corp. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 18194 | Martin Phillips | | Oil Operator | Dec 1987 |
| 18195 | Martin Production Company | | Oil & Gas Operator | Dec 2024 |
| 18196 | Martin Production Corporation | Graham, TX 76450 | Oil Operator | May 2025 |
| 18197 | Martin Tank Truck & Casing Pulling Inc | Cushing, OK 74023 | Oil & Gas Operator | Apr 2015 |
| 18198 | Martin Well Service | Graham, TX 76450 | Oil & Gas Operator | Jun 2015 |
| 18199 | Martin Well Service Company | Mineral Wells, TX 76067 | Oil & Gas Operator | Jul 2006 |
| 18200 | Martin'S Resources LLC | Woodward, OK 73801-5641 | Oil & Gas Operator | Apr 2025 |