| 2101 | Morris Everett E | | Oil & Gas Operator | Feb 1991 |
| 2102 | Morris Oil & Gas Co., Inc | Grantsville, WV 261470267 | Oil & Gas Operator | Dec 2021 |
| 2103 | Morris Oil Operations | | Oil Operator | Apr 2026 |
| 2104 | Morris Operating Co | Lovington, NM 88260 | Oil & Gas Operator | Sep 2026 |
| 2105 | Morris Pete Drilling Company | | Oil Operator | Feb 1999 |
| 2106 | Morris R. Greenhaw Oil&Gas, Inc | Desdemona, TX 76445 | Oil & Gas Operator | Sep 2026 |
| 2107 | Morris Richard B | | Oil Operator | Dec 1996 |
| 2108 | Morris Roger Dan | Cushing, OK 74023 | Oil & Gas Operator | Apr 2026 |
| 2109 | Morris, Carl R | | Oil & Gas Operator | Dec 2015 |
| 2110 | Morris, Stanley A. | Cherry Creek, NY 14723 | Gas Operator | Dec 2025 |
| 2111 | Morris, W. Dale Inc. | Mineral Wells, TX 76068 | Oil & Gas Operator | Sep 2026 |
| 2112 | Morrison DRLG. & Prod. Co., Inc. | Abilene, TX 79606 | Oil & Gas Operator | Nov 2008 |
| 2113 | Morrison International Energy Inc | Oklahoma City, OK 73189-0537 | Oil & Gas Operator | Feb 2025 |
| 2114 | Morrison Oil Co. LLC | | Oil & Gas Operator | Jul 2026 |
| 2115 | Morrison Oil Company | Bartlesville, OK 74003 | Oil Operator | Mar 2015 |
| 2116 | Morrison, Mark L. | Yates Center, KS 66783 | Oil Operator | Apr 2026 |
| 2117 | Morrison-Dixon O | | Oil Operator | Oct 1993 |
| 2118 | Morrow Oil & Gas Co. | Terry, MS 39170 | Oil & Gas Operator | Jun 2026 |
| 2119 | Morrow Operating Co., Inc. | | Oil Operator | Mar 2003 |
| 2120 | Morrow Resources, Inc. | San Angelo, TX 76904 | Oil & Gas Operator | Oct 2004 |
| 2121 | Morrow, Joe | Farmington, NM 87401 | Oil Operator | Jan 1993 |
| 2122 | Morrows Stoney Point Farm Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2017 |
| 2123 | Morse, John R. | Portland, NY 14769 | Gas Operator | Dec 2025 |
| 2124 | Morsey Oil & Gas | | Oil & Gas Operator | Mar 1995 |
| 2125 | Morsey Oil & Gas Corporation | Corpus Christ, TX 78401 | Oil & Gas Operator | Sep 2026 |
| 2126 | Mortimer Exploration Company | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2003 |
| 2127 | Mortimer Production Company | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2026 |
| 2128 | Morton And Dolley | | Oil Operator | Dec 1991 |
| 2129 | Morton Bros A Partnership | Bristow, OK 74010-0403 | Oil & Gas Operator | Jul 2003 |
| 2130 | Morton Brothers Company | Bristow, OK 74010 | Oil & Gas Operator | May 2009 |
| 2131 | Morton Drilling Company | Bristow, OK 74010-1279 | Oil & Gas Operator | Jun 1995 |
| 2132 | Morton Leases | Morris, OK 74445-2048 | Oil & Gas Operator | Jul 2017 |
| 2133 | Morton Leases Inc | | Oil & Gas Operator | May 2026 |
| 2134 | Morton Production Inc | Ada, OK 74820-2643 | Oil & Gas Operator | Sep 2014 |
| 2135 | Morton Valley Oil & Gas, Inc. | Dallas, TX 75222 | Oil & Gas Operator | Jun 2007 |
| 2136 | Morton, J. V. Oil Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 1999 |
| 2137 | Mosaic Midland LLC | Dallas, TX 75367 | Oil Operator | Sep 2026 |
| 2138 | Mosaic Pecos LLC | Dallas, TX 75367 | Oil Operator | Sep 2026 |
| 2139 | Mosaic Texas LLC | Dallas, TX 75205 | Oil & Gas Operator | Sep 2026 |
| 2140 | Mosbacher Energy Company | Houston, TX 77002 | Oil & Gas Operator | Sep 2026 |
| 2141 | Mosbacher Production Co. | Houston, TX 77001 | Oil & Gas Operator | Aug 1984 |
| 2142 | Mosbacher, Robert-Pruet, Chesley | | Oil & Gas Operator | Dec 1983 |
| 2143 | Moseley Petroleum Corp. | | Oil & Gas Operator | Apr 1988 |
| 2144 | Moseley, J. T. | Temple, TX 76502 | Oil & Gas Operator | Sep 2008 |
| 2145 | Moses Gas, Inc. | Indore, WV 251110100 | Gas Operator | Dec 2018 |
| 2146 | Moses, Tom | Beaumont, TX 77702 | Oil Operator | Sep 2026 |
| 2147 | Mosher Gas, LLC | Knoxville, PA 16928 | Gas Operator | Dec 2025 |
| 2148 | Moskowitz Charles J | | Oil Operator | Feb 2014 |
| 2149 | Moskowitz Oil & Gas LLC | | Oil Operator | Jun 2026 |
| 2150 | Mosley Oil &Gas Inc | Houston, TX 77002 | Oil & Gas Operator | Sep 2026 |
| 2151 | Mosman Operating, LLC | Dallas, TX 75204 | Oil Operator | Jan 2026 |
| 2152 | Moss Petroleum Company | Dallas, TX 75207 | Oil & Gas Operator | Sep 2026 |
| 2153 | Moss Properties Inc | | Oil & Gas Operator | Mar 1986 |
| 2154 | Moss SWD, LLC | Andrews, TX 79714 | Oil Operator | Sep 2026 |
| 2155 | Moss Ted A Operating Company | Oklahoma City, OK 73126-0187 | Oil & Gas Operator | Jun 1997 |
| 2156 | Moss William Properties Inc | Dallas, TX 75219 | Oil & Gas Operator | Apr 2014 |
| 2157 | Moss, William Corp. | Dallas, TX 75219 | Oil & Gas Operator | Oct 2002 |
| 2158 | Mossholder Drilling Co | Newark, OH 43055 | Oil Operator | Dec 1990 |
| 2159 | Mossholder Linda Dba | Newark, OH 43055 | Oil & Gas Operator | Dec 2015 |
| 2160 | Mossor, L. E. | Harrisville, WV 263620000 | Oil & Gas Operator | Dec 2002 |
| 2161 | Mosthaf Edwin C And Mosthaf Levina M | | Oil Operator | Jul 2020 |
| 2162 | Mote Resources, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2004 |
| 2163 | Mott Energy LLC | Riverview, FL 33569-6702 | Oil & Gas Operator | Sep 2024 |
| 2164 | Mott Oil & Gas | Sugarland, TX 77478 | Oil & Gas Operator | May 2001 |
| 2165 | Mott Petroleum Corporation | Sugar Land, TX 77487 | Oil & Gas Operator | Aug 2024 |
| 2166 | Motto Energy Inc. | Normantown, WV 252678215 | Oil & Gas Operator | Dec 2021 |
| 2167 | Mount Chestnut Dev LLC | Butler, PA 16002-3940 | Gas Operator | Dec 2017 |
| 2168 | Mount Richard | Newark, OH 43055 | Oil Operator | Dec 2005 |
| 2169 | Mount, Thomas | North East, PA 16428 | Gas Operator | Dec 2025 |
| 2170 | Mountain Creek Energy Inc | Georgetown, TX 78633 | Oil & Gas Operator | May 2026 |
| 2171 | Mountain Creek Oil Company, Inc. | Saint Jo, TX 76265 | Oil & Gas Operator | Sep 2026 |
| 2172 | Mountain Divide, LLC | | Oil & Gas Operator | Mar 2017 |
| 2173 | Mountain DRLG, Inc | Hindman, KY 41822 | Oil & Gas Operator | Dec 2024 |
| 2174 | Mountain Fuel Supply Co | Salt Lake City, UT 84139 | Oil & Gas Operator | May 1984 |
| 2175 | Mountain Hawk Energy LLC | Athens, TX 75751 | Gas Operator | Jan 2015 |
| 2176 | Mountain Oil And Gas Inc | Roosevelt, UT 84066 | Oil & Gas Operator | Jun 2026 |
| 2177 | Mountain Pacific General Inc. | Cut Bank, MT 59427 | Oil & Gas Operator | Jun 2022 |
| 2178 | Mountain Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Apr 2013 |
| 2179 | Mountain Resource Corporation | Salt Lake City, UT 84124 | Oil & Gas Operator | Dec 1988 |
| 2180 | Mountain State Oil Company, L..L.C. | Pennsboro, WV 264150014 | Oil & Gas Operator | Dec 2021 |
| 2181 | Mountain State Well Tending | Hurricane, WV 255260000 | Oil & Gas Operator | Dec 2021 |
| 2182 | Mountain States Petroleum Corp | Midland, TX 79702 | Oil & Gas Operator | Apr 2008 |
| 2183 | Mountain States Resources Inc | Cut Bank, MT 59427 | Oil & Gas Operator | Oct 2000 |
| 2184 | Mountain V Oil & Gas, Inc. | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2024 |
| 2185 | Mountain V Texas, LLC | Buckhannon, WV 26201 | Oil & Gas Operator | Sep 2026 |
| 2186 | Mountain V, LLC | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 2187 | Mountain VIew Resources LLC | | Oil & Gas Operator | Jul 2026 |
| 2188 | Mountaineer State Energy, Inc. | Dallas, TX 75234 | Oil & Gas Operator | Dec 2021 |
| 2189 | Mountaineer State Operations, LLC | Sandyville, WV 25275 | Oil & Gas Operator | Dec 2025 |
| 2190 | Mountaineer Trading Company, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2016 |
| 2191 | Mountainside Energy Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Sep 2026 |
| 2192 | Mourning James & Carol | Middleport, OH 45760-1214 | Gas Operator | Dec 2024 |
| 2193 | Mowata Oil Company | Victoria, TX 77903 | Oil & Gas Operator | Oct 1996 |
| 2194 | Moxy Oil Company | Seguin, TX 78155 | Oil & Gas Operator | Aug 2003 |
| 2195 | Moy, Gary | Falls City, TX 78113 | Oil & Gas Operator | Nov 1998 |
| 2196 | Moylan, Jimmie C. | Eastland, TX 76448 | Oil & Gas Operator | Sep 2026 |
| 2197 | Moylan, Thomas F. | Lacygne, KS 66040 | Oil & Gas Operator | Dec 1993 |
| 2198 | Mozark Corporation | Spring, TX 77379-8049 | Oil & Gas Operator | Jan 2011 |
| 2199 | Moze Inc | Ochelata, OK 74051 | Oil & Gas Operator | Jan 2001 |
| 2200 | MPG Petroleum | San Antonio, TX 78217 | Oil & Gas Operator | Aug 2003 |