| 4101 | Montgomery Oil & Gas Expl Inc | Tulsa, OK 74170-1884 | Oil & Gas Operator | Mar 2005 |
| 4102 | Monty L Hott Production Corporation | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
| 4103 | Moore & Moore Energy Inc | Purcell, OK 73080-0674 | Oil & Gas Operator | Dec 2012 |
| 4104 | Moore Clay | Bradenton, FL 34211 | Oil & Gas Operator | Dec 2024 |
| 4105 | Moore David K | Duncan, OK 73575 | Oil & Gas Operator | Oct 2009 |
| 4106 | Moore Don | Elmore City, OK 73433 | Oil & Gas Operator | Jan 2025 |
| 4107 | Moore Investments LC | Oklahoma City, OK 73116-9044 | Oil & Gas Operator | Feb 2023 |
| 4108 | Moore Lynn D | Collinsville, OK 74021 | Oil Operator | Aug 2013 |
| 4109 | Moore Oil And Gas | Burleson, TX 76028 | Oil & Gas Operator | Mar 2025 |
| 4110 | Moore Petroleum Invest Corp | Norman, OK 73072-4217 | Oil & Gas Operator | Dec 2024 |
| 4111 | Moore Richard L | Morris, OK 74445 | Oil Operator | Aug 2013 |
| 4112 | Moore Robert L | Perryton, TX 79070-1275 | Oil & Gas Operator | Apr 2020 |
| 4113 | Moore Tommy M | Sapulpa, OK 74066-8273 | Oil & Gas Operator | May 2013 |
| 4114 | Moore W T | Sapulpa, OK 74067-0946 | Oil & Gas Operator | Jan 2021 |
| 4115 | Moran Oil Enterprises, LLC | Seminole, OK 74818 | Oil & Gas Operator | Oct 2024 |
| 4116 | Moran Pipe & Supply Co Inc | Seminole, OK 74868 | Oil & Gas Operator | Jan 2019 |
| 4117 | Moran-K Oil LLC | Seminole, OK 74868 | Oil & Gas Operator | Jan 2025 |
| 4118 | Moran-Kahn Oil | Seminole, OK 74868 | Oil & Gas Operator | Mar 1992 |
| 4119 | Morgan David E | Enid, OK 73702-3525 | Oil & Gas Operator | Sep 2016 |
| 4120 | Morgan Energy Corporation | Englewood, CO 80110 | Oil & Gas Operator | Mar 2006 |
| 4121 | Morgan Oil Company | Nacogdoches, TX 75963 | Oil & Gas Operator | May 2006 |
| 4122 | Morgan Petroleum Company | Edmond, OK 73083 | Oil & Gas Operator | Mar 1993 |
| 4123 | Morgan Robert M / L Ladean | Wewoka, OK 74884-1515 | Oil & Gas Operator | Jul 2015 |
| 4124 | Morris & Associates | Purcell, OK 73080 | Oil Operator | Feb 2012 |
| 4125 | Morris Dennis J | Cameron, OK 74932-2186 | Gas Operator | Dec 2024 |
| 4126 | Morris Ed Dba Morris Operating Company | Mounds, OK 74047-4801 | Oil & Gas Operator | Jan 2025 |
| 4127 | Morris Pete Drilling Company | | Oil Operator | Feb 1999 |
| 4128 | Morris Roger Dan | Cushing, OK 74023 | Oil & Gas Operator | Dec 2024 |
| 4129 | Morrison International Energy Inc | Oklahoma City, OK 73189-0537 | Oil & Gas Operator | Dec 2024 |
| 4130 | Morrison Oil Company | Bartlesville, OK 74003 | Oil Operator | Mar 2015 |
| 4131 | Morton Bros A Partnership | Bristow, OK 74010-0403 | Oil & Gas Operator | Jul 2003 |
| 4132 | Morton Brothers Company | Bristow, OK 74010 | Oil & Gas Operator | May 2009 |
| 4133 | Morton Drilling Company | Bristow, OK 74010-1279 | Oil & Gas Operator | Jun 1995 |
| 4134 | Morton Leases | Morris, OK 74445-2048 | Oil & Gas Operator | Jul 2017 |
| 4135 | Morton Leases Inc | | Oil & Gas Operator | Dec 2024 |
| 4136 | Morton Production Inc | Ada, OK 74820-2643 | Oil & Gas Operator | Sep 2014 |
| 4137 | Moss Ted A Operating Company | Oklahoma City, OK 73126-0187 | Oil & Gas Operator | Jun 1997 |
| 4138 | Moss William Properties Inc | Dallas, TX 75219 | Oil & Gas Operator | Apr 2014 |
| 4139 | Mote Resources, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2004 |
| 4140 | Mott Energy LLC | Riverview, FL 33569-6702 | Oil & Gas Operator | Sep 2024 |
| 4141 | Mott Oil & Gas | Sugarland, TX 77478 | Oil & Gas Operator | May 2001 |
| 4142 | Mott Petroleum Corporation | Sugar Land, TX 77487 | Oil & Gas Operator | Aug 2024 |
| 4143 | Mountain Creek Energy Inc | Georgetown, TX 78633 | Oil & Gas Operator | Dec 2024 |
| 4144 | Mountain Front Pipeline Co Inc | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 4145 | Mowdy Robert F | Coalgate, OK 74538 | Oil & Gas Operator | May 2001 |
| 4146 | Mozark Corporation | Spring, TX 77379-8049 | Oil & Gas Operator | Jan 2011 |
| 4147 | Moze Inc | Ochelata, OK 74051 | Oil & Gas Operator | Jan 2001 |
| 4148 | MRD Nowata LLC | Woodstock, GA 30189 | Oil Operator | Aug 2017 |
| 4149 | MSB Operating Company | Enid, OK 73703 | Oil & Gas Operator | Jan 2005 |
| 4150 | MT Dora Energy Corporation | Duncan, OK 73533-1829 | Oil & Gas Operator | Apr 2014 |
| 4151 | MT Dora Energy LLC | Houston, OK 77056-1940 | Oil & Gas Operator | Jun 2019 |
| 4152 | MT Energy LLC | Waskom, TX 75692 | Oil & Gas Operator | Mar 2025 |
| 4153 | Mto Oil Company | Okay, OK 74446-0354 | Oil Operator | Jul 2019 |
| 4154 | Mud Operations Inc | Ames, OK 73718-9501 | Oil & Gas Operator | Dec 2024 |
| 4155 | Muegge Don E | Lamont, OK 74643-5010 | Oil & Gas Operator | Dec 1996 |
| 4156 | Muegge, Clay A. | Lamont, OK 74643 | Oil & Gas Operator | Jan 2025 |
| 4157 | Mueggenborg Derrick R Dba DRM Oil & Gas | Yale, OK 74085 | Oil Operator | Jan 2025 |
| 4158 | Mueller Thomas C | Fort Smith, AR 72913 | Gas Operator | Aug 2008 |
| 4159 | Mueller Thomas C LTD | Oklahoma City, OK 73102-5683 | Gas Operator | Aug 2008 |
| 4160 | Muirfield Resources Company | Tulsa, OK 74101-3166 | Oil & Gas Operator | Jun 2024 |
| 4161 | Mullen Jr J S | | Oil & Gas Operator | Feb 1992 |
| 4162 | Mullen William Company | Edmond, OK 73083-1372 | Oil & Gas Operator | May 1999 |
| 4163 | Mullins Jimmy R Dba Southcreek Petroleum Co | Dibble, OK 73031 | Oil & Gas Operator | Jan 2021 |
| 4164 | Mullins John S | Hominy, OK 74035 | Oil Operator | Nov 2014 |
| 4165 | Multistates Oil Properties, NV | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 1998 |
| 4166 | Munson Dave Company | Dallas, TX 75201-3591 | Oil Operator | Aug 1996 |
| 4167 | Munson, David M. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 4168 | Muras Energy Inc | Edmond, OK 73013 | Oil & Gas Operator | Dec 2024 |
| 4169 | Murchison Oil & Gas Inc | Plano, TX 75024 | Oil & Gas Operator | Mar 2024 |
| 4170 | Murexco Petroleum, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Oct 1996 |
| 4171 | Murphy Helen Colpitt Trust | Collinsville, OK 74021-0128 | Oil & Gas Operator | May 2002 |
| 4172 | Murphy Jack L | Tulsa, OK 74104-4915 | Oil Operator | Mar 2015 |
| 4173 | Murphy S J Oil & Gas Inc | Edmond, OK 73034 | Oil & Gas Operator | Dec 2024 |
| 4174 | Musgrove Energy Inc | Ponca City, OK 74602 | Oil & Gas Operator | Aug 2024 |
| 4175 | Musgrove, Casey Oil | Ponca City, OK 74602-0391 | Oil & Gas Operator | Jun 2017 |
| 4176 | Mustang Fuel Corp. Of Oklahoma | Oklahoma City, OK 73106 | Oil & Gas Operator | Nov 2016 |
| 4177 | Mustang Fuel Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2025 |
| 4178 | Mustang Gas Products LLC | Oklahoma City, OK 73114-7406 | Oil & Gas Operator | Sep 2022 |
| 4179 | Mustang Transport Company | Oklahoma City, OK 73106 | Oil Operator | Jul 1993 |
| 4180 | Mutual Oil & Gas Co | Akron, OH 44313 | Oil & Gas Operator | Dec 2001 |
| 4181 | MW Petroleum Corporation | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 4182 | MXP Operating LLC | Covington, TX 76093 | Oil & Gas Operator | Sep 2024 |
| 4183 | Myers Robert L Dba RLM Oil Co | Skiatook, OK 74070 | Oil Operator | Dec 2024 |
| 4184 | Myjo Oil Corporation | Breckenridge, TX 76024 | Oil Operator | Jul 1996 |
| 4185 | Mystique Resources Company | Aurora, CO 80016 | Oil & Gas Operator | Feb 2023 |
| 4186 | N & N Oil LLC | Duncan, OK 73533 | Oil & Gas Operator | May 2023 |
| 4187 | N B C Bank | Tulsa, OK 74135 | Oil Operator | Mar 1996 |
| 4188 | N V O & G Investments LLC | Woodland Park, CO 80863 | Oil Operator | Sep 2022 |
| 4189 | N.L.S., Inc. | Kimberling City, MO 65686 | Oil & Gas Operator | Aug 2016 |
| 4190 | Nabob Production Company | Amarillo, TX 79105 | Gas Operator | Dec 1991 |
| 4191 | Nabors Well Services LTD | Houston, TX 77067-4536 | Oil Operator | Apr 2011 |
| 4192 | Nadel And Gussman, L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2025 |
| 4193 | Naifco Oil & Gas LLC | Oklahoma City, OK 73107 | Oil & Gas Operator | Dec 2024 |
| 4194 | Nail Stephen Dba Nail Oil & Gas | Maud, OK 74854 | Oil Operator | Dec 2024 |
| 4195 | Nancy Oil & Gas Corp | Tulsa, OK 74101 | Oil Operator | Apr 2020 |
| 4196 | Nard Inc | Buffalo, OK 73834-9737 | Oil Operator | Dec 2005 |
| 4197 | Naro Oil Corporation | Dallas, TX 75230-1986 | Oil & Gas Operator | Nov 2003 |
| 4198 | National Cooperative RFG Assoc | McPherson, KS 67460-1404 | Oil & Gas Operator | Jun 2006 |
| 4199 | National Energy Group, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
| 4200 | National Oil Company | Garden City, KS 67846 | Oil & Gas Operator | Jun 2024 |