| 2101 | Moran-Lavaca, L.L.C. | Shreveport, LA 71134 | Oil Operator | Feb 2018 |
| 2102 | Moransco Energy Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2025 |
| 2103 | More Texas Oil | Von Ormy, TX 78073 | Oil & Gas Operator | Jun 2025 |
| 2104 | Moreland Oil & Gas Inc | Dennison, OH 44621 | Oil & Gas Operator | Dec 1990 |
| 2105 | Morexco Inc | Midland, TX 79710 | Oil & Gas Operator | Mar 2019 |
| 2106 | Morgan Creek Gas Processing Co. | Houston, TX 77027 | Gas Operator | Aug 1998 |
| 2107 | Morgan Creek Production Co., Inc | Westbrook, TX 79565 | Oil & Gas Operator | Jun 2025 |
| 2108 | Morgan David E | Enid, OK 73702-3525 | Oil & Gas Operator | Sep 2016 |
| 2109 | Morgan E&P, LLC | | Oil & Gas Operator | Apr 2025 |
| 2110 | Morgan Energy Corporation | Englewood, CO 80110 | Oil & Gas Operator | Mar 2006 |
| 2111 | Morgan Enterprises | | Oil & Gas Operator | Aug 1997 |
| 2112 | Morgan Enterprises, Inc. | Houston, TX 77024 | Oil & Gas Operator | Jun 2025 |
| 2113 | Morgan Oil Company | Nacogdoches, TX 75963 | Oil & Gas Operator | May 2006 |
| 2114 | Morgan Operating, Inc. | Hobbs, NM 88241 | Oil & Gas Operator | Oct 2024 |
| 2115 | Morgan Pennington Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1990 |
| 2116 | Morgan Petroleum Company | Edmond, OK 73083 | Oil & Gas Operator | Mar 1993 |
| 2117 | Morgan Robert M / L Ladean | Wewoka, OK 74884 | Oil & Gas Operator | Jul 2015 |
| 2118 | Morgan, C. V. Partnership | Olney, TX 76374 | Oil & Gas Operator | Jan 2009 |
| 2119 | Morgan, Mike | | Oil Operator | Dec 2014 |
| 2120 | Morgan, Robert L | | Oil Operator | Dec 2017 |
| 2121 | Morgas | Shamrock, TX 79079 | Gas Operator | Nov 1994 |
| 2122 | Morgenstern Oil Operations LLC | Ellinwood, KS 67526 | Oil Operator | Feb 2025 |
| 2123 | Moriah Operating,LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 2124 | Moriah Resources, Inc. | Midland, TX 79704 | Oil & Gas Operator | Mar 2008 |
| 2125 | Morley, Kenneth A. | Sinclairville, NY 14782 | Gas Operator | Dec 2023 |
| 2126 | Mormack Ind Inc | Orrville, OH 44667 | Oil & Gas Operator | Dec 2024 |
| 2127 | Mormar Family Holdings, L.L.C. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 2128 | Morning Gun Exploration LLC | | Oil Operator | Oct 2021 |
| 2129 | Morning Star Oil Company | Thermopolis, WY 82443 | Oil Operator | Feb 2025 |
| 2130 | Morningstar Gas, Inc. | Las Vegas, NV 89117 | Gas Operator | Jun 2025 |
| 2131 | Morningstar Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2025 |
| 2132 | Morningstar Partners, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2022 |
| 2133 | Moro Bay Oil Company, Inc. | | Oil Operator | Jan 1997 |
| 2134 | Morreale, Michael G. & John W. | Frewsburg, NY 14738 | Gas Operator | Dec 2023 |
| 2135 | Morred, Inc. | Borger, TX 79007 | Oil & Gas Operator | Jun 2025 |
| 2136 | Morrell, W. R. | Albany, TX 76430 | Oil & Gas Operator | Jun 2025 |
| 2137 | Morris & Associates | Purcell, OK 73080 | Oil Operator | Feb 2012 |
| 2138 | Morris & Morris | | Oil Operator | Sep 1995 |
| 2139 | Morris A Richardson Dba Fair VIew Production | Muldrow, OK 74948 | Oil Operator | Sep 2006 |
| 2140 | Morris Beall Oil & Gas Co | | Oil & Gas Operator | Dec 2021 |
| 2141 | Morris Dennis J | Cameron, OK 74932-2186 | Gas Operator | Mar 2025 |
| 2142 | Morris Ed Dba Morris Operating Company | Mounds, OK 74047-4801 | Oil & Gas Operator | Apr 2025 |
| 2143 | Morris Everett E | | Oil & Gas Operator | Feb 1991 |
| 2144 | Morris Oil & Gas Co., Inc | | Oil & Gas Operator | Dec 2021 |
| 2145 | Morris Oil Operations | | Oil Operator | Feb 2025 |
| 2146 | Morris Operating Co | Lovington, NM 88260 | Oil & Gas Operator | Jun 2025 |
| 2147 | Morris Pete Drilling Company | | Oil Operator | Feb 1999 |
| 2148 | Morris R. Greenhaw Oil&Gas, Inc | Desdemona, TX 76445 | Oil & Gas Operator | Jun 2025 |
| 2149 | Morris Richard B | | Oil Operator | Dec 1996 |
| 2150 | Morris Roger Dan | Cushing, OK 74023 | Oil & Gas Operator | Mar 2025 |
| 2151 | Morris, Carl R | | Oil & Gas Operator | Dec 2015 |
| 2152 | Morris, Stanley A. | Cherry Creek, NY 14723 | Gas Operator | Dec 2023 |
| 2153 | Morris, W. Dale Inc. | Mineral Wells, TX 76068 | Oil & Gas Operator | Jun 2025 |
| 2154 | Morrison DRLG. & Prod. Co., Inc. | Abilene, TX 79606 | Oil & Gas Operator | Nov 2008 |
| 2155 | Morrison International Energy Inc | Oklahoma City, OK 73189-0537 | Oil & Gas Operator | Feb 2025 |
| 2156 | Morrison Oil Co. LLC | | Oil & Gas Operator | Apr 2025 |
| 2157 | Morrison Oil Company | Bartlesville, OK 74003 | Oil Operator | Mar 2015 |
| 2158 | Morrison, Mark L. | Yates Center, KS 66783 | Oil Operator | Feb 2025 |
| 2159 | Morrison-Dixon O | | Oil Operator | Oct 1993 |
| 2160 | Morrow Oil & Gas Co. | Terry, MS 39170 | Oil & Gas Operator | Mar 2025 |
| 2161 | Morrow Operating Co., Inc. | | Oil Operator | Mar 2003 |
| 2162 | Morrow Resources, Inc. | San Angelo, TX 76904 | Oil & Gas Operator | Oct 2004 |
| 2163 | Morrow, Joe | Farmington, NM 87401 | Oil Operator | Jan 1993 |
| 2164 | Morrows Stoney Point Farm Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2017 |
| 2165 | Morse, John R. | Portland, NY 14769 | Gas Operator | Dec 2023 |
| 2166 | Morsey Oil & Gas | | Oil & Gas Operator | Mar 1995 |
| 2167 | Morsey Oil & Gas Corporation | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jun 2025 |
| 2168 | Mortimer Exploration Company | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2003 |
| 2169 | Mortimer Production Company | San Antonio, TX 78209 | Oil & Gas Operator | Jun 2025 |
| 2170 | Morton And Dolley | | Oil Operator | Dec 1991 |
| 2171 | Morton Bros A Partnership | Bristow, OK 74010-0403 | Oil & Gas Operator | Jul 2003 |
| 2172 | Morton Brothers Company | Bristow, OK 74010 | Oil & Gas Operator | May 2009 |
| 2173 | Morton Drilling Company | Bristow, OK 74010-1279 | Oil & Gas Operator | Jun 1995 |
| 2174 | Morton Leases | Morris, OK 74445-2048 | Oil & Gas Operator | Jul 2017 |
| 2175 | Morton Leases Inc | | Oil & Gas Operator | Mar 2025 |
| 2176 | Morton Production Inc | Ada, OK 74820-2643 | Oil & Gas Operator | Sep 2014 |
| 2177 | Morton Valley Oil & Gas, Inc. | Dallas, TX 75222 | Oil & Gas Operator | Jun 2007 |
| 2178 | Morton, J. V. Oil Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 1999 |
| 2179 | Mosaic Midland LLC | Dallas, TX 75367 | Oil Operator | Jun 2025 |
| 2180 | Mosaic Oil LLC | Dallas, TX 75205 | Oil & Gas Operator | Jun 2025 |
| 2181 | Mosaic Pecos LLC | Dallas, TX 75367 | Oil Operator | Jun 2025 |
| 2182 | Mosaic Texas LLC | Dallas, TX 75205 | Oil & Gas Operator | Jun 2025 |
| 2183 | Mosbacher Energy Company | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 2184 | Mosbacher Production Co. | Houston, TX 77001 | Oil & Gas Operator | Aug 1984 |
| 2185 | Mosbacher, Robert-Pruet, Chesley | | Oil & Gas Operator | Dec 1983 |
| 2186 | Moseley Petroleum Corp. | | Oil & Gas Operator | Apr 1988 |
| 2187 | Moseley, J. T. | Temple, TX 76502 | Oil & Gas Operator | Sep 2008 |
| 2188 | Moses Gas, Inc. | Indore, WV 25111-0100 | Gas Operator | Dec 2018 |
| 2189 | Moses, Tom | Beaumont, TX 77702 | Oil Operator | Jun 2025 |
| 2190 | Mosher Gas, LLC | Knoxville, PA 16928 | Gas Operator | Dec 2023 |
| 2191 | Moskowitz Charles J | | Oil Operator | Feb 2014 |
| 2192 | Moskowitz Oil & Gas LLC | | Oil Operator | Jun 2024 |
| 2193 | Mosley Oil &Gas Inc | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 2194 | Mosman Operating, LLC | Dallas, TX 75204 | Oil Operator | Jun 2025 |
| 2195 | Moss Petroleum Company | Dallas, TX 75207 | Oil & Gas Operator | Jun 2025 |
| 2196 | Moss Properties Inc | | Oil & Gas Operator | Mar 1986 |
| 2197 | Moss SWD, LLC | Andrews, TX 79714 | Oil Operator | Jun 2025 |
| 2198 | Moss Ted A Operating Company | Oklahoma City, OK 73126-0187 | Oil & Gas Operator | Jun 1997 |
| 2199 | Moss William Properties Inc | Dallas, TX 75219 | Oil & Gas Operator | Apr 2014 |
| 2200 | Moss, William Corp. | Dallas, TX 75219 | Oil & Gas Operator | Oct 2002 |