| 7101 | Mid-Continent Energy Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2026 |
| 7102 | Mid-Continent Energy, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2020 |
| 7103 | Mid-Continental Exploration,Inc. | Sanger, TX 76266 | Oil & Gas Operator | Sep 2026 |
| 7104 | Mid-Gulf, Inc. | Brenham, TX 77834 | Oil & Gas Operator | Mar 2008 |
| 7105 | Mid-States Operating Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 7106 | Mid-Tex Energy Inc. | Costa Mesa, CA 92626 | Oil & Gas Operator | Jan 1999 |
| 7107 | Mid-Tex Operating, Inc. | Austin, TX 78748 | Oil & Gas Operator | Sep 2026 |
| 7108 | Mid-Tex Resources | Merkel, TX 79536 | Oil & Gas Operator | Feb 2001 |
| 7109 | Midas Resources, Inc. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Sep 2026 |
| 7110 | Midcoast G & P (East Texas) L.P. | Houston, TX 77002 | Oil & Gas Operator | Sep 2026 |
| 7111 | Midcon Offshore, Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 7112 | Middle Bay Oil Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 7113 | Middle Bay Production Co. Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2014 |
| 7114 | Middleton Oil Company | Houston, TX 77006 | Oil & Gas Operator | Sep 2026 |
| 7115 | Mideast Gas Systems, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2005 |
| 7116 | Midenergy Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2026 |
| 7117 | Midgard Energy Company | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2014 |
| 7118 | Midkiff, John | Midland, TX 79705 | Oil & Gas Operator | Mar 2008 |
| 7119 | Midland Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 7120 | Midland Oil And Gas, Inc. | Midland, TX 79705 | Oil & Gas Operator | Sep 2026 |
| 7121 | Midland Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | May 2026 |
| 7122 | Midland Res. Oper. Co., Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 1998 |
| 7123 | Midland Southwest Cold Lake Inc | Midland, TX 79702 | Oil & Gas Operator | Jun 1997 |
| 7124 | Midland TMG Inc. | Midland, TX 79705 | Oil & Gas Operator | Apr 2017 |
| 7125 | Midnite Oil Co. | Wichita Falls, TX 76310 | Oil & Gas Operator | Sep 2026 |
| 7126 | Midpar L.P. | Midland, TX 79702 | Oil & Gas Operator | Feb 1995 |
| 7127 | Midsco | Cross Plains, TX 76443 | Oil & Gas Operator | Sep 2026 |
| 7128 | Midstar Energy Corporation | Spring, TX 77379 | Oil Operator | Sep 2026 |
| 7129 | Midstates Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Sep 2026 |
| 7130 | Midstates Petroleum Company LLC | Tulsa, OK 74103 | Oil & Gas Operator | May 2018 |
| 7131 | Midville Energy, LLC. | Midland, TX 79705 | Oil & Gas Operator | Jul 2024 |
| 7132 | Midway Drilling Co. | Richmond, TX 77469 | Oil & Gas Operator | Sep 2026 |
| 7133 | Midway Energy Partners Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 7134 | Midway Operating Company, L.L.C. | Woodward, OK 73802 | Oil & Gas Operator | Sep 2026 |
| 7135 | Midwestern Energy | Mankato, MN 56003 | Oil & Gas Operator | Sep 2026 |
| 7136 | Midwestern Exploration Company | Edmond, OK 73013 | Oil & Gas Operator | May 2025 |
| 7137 | Miesch Exploration Corporation | Dallas, TX 75229 | Oil & Gas Operator | Nov 2002 |
| 7138 | Mike Oil LLC | Colorado City, TX 79512 | Oil Operator | May 2026 |
| 7139 | Miken Oil, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 7140 | Milagro Exploration, LLC | Houston, TX 77010 | Oil & Gas Operator | Aug 2018 |
| 7141 | Milam, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2026 |
| 7142 | Miles Production Co. | Argyle, TX 76226 | Oil & Gas Operator | Mar 2008 |
| 7143 | Milestone Operating, Inc. | Montgomery, TX 77316 | Oil & Gas Operator | Sep 2026 |
| 7144 | Millennium Exploration Co. LLC | San Antonio, TX 78232 | Oil & Gas Operator | Sep 2026 |
| 7145 | Millennium Minerals Corporation | Fredericksbrg, TX 78624 | Oil Operator | Sep 2026 |
| 7146 | Millennium Offshore Group, Inc. | Houston, TX 77007 | Oil & Gas Operator | Sep 2005 |
| 7147 | Millennium Operating Company | Houston, TX 77057 | Oil & Gas Operator | Sep 2026 |
| 7148 | Millennium Petro-Physics, Inc. | Corpus Chrsti, TX 78480 | Oil & Gas Operator | Sep 2026 |
| 7149 | Millennium Resources, LLC. | Big Lake, TX 76932 | Oil & Gas Operator | Sep 2012 |
| 7150 | Millennium Resources, LP | Midland, TX 79708 | Oil Operator | Sep 2026 |
| 7151 | Miller Energy Inc | Houston, TX 77024 | Oil & Gas Operator | Oct 2016 |
| 7152 | Miller Oil & Gas, LLC | Snyder, TX 79549 | Oil & Gas Operator | Sep 2026 |
| 7153 | Miller Oil Company | Corsicana, TX 75110 | Oil & Gas Operator | Dec 2015 |
| 7154 | Miller Operating Company LLC | Lafayette, LA 70598 | Oil & Gas Operator | Sep 2026 |
| 7155 | Miller Petroleum LLC | Graham, TX 76450 | Oil Operator | Sep 2026 |
| 7156 | Miller Production Co. | Tyler, TX 75701 | Oil & Gas Operator | Sep 2026 |
| 7157 | Miller, B. H. Oil Co. | Corsicana, TX 75110 | Oil & Gas Operator | Sep 2002 |
| 7158 | Miller, Bob I. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 7159 | Miller, C. R. Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Sep 2026 |
| 7160 | Miller, Cecil G. | Corsicana, TX 75110 | Oil & Gas Operator | Jan 2023 |
| 7161 | Miller, Cecil G. Estate Of | Corsicana, TX 75110 | Oil Operator | Sep 2026 |
| 7162 | Miller, Donny | Cisco, TX 76437 | Oil & Gas Operator | Sep 2026 |
| 7163 | Miller, Dyer & Co LLC | Denver, CO 80202 | Oil & Gas Operator | May 2009 |
| 7164 | Miller, Glenn J. | Muenster, TX 76252 | Oil & Gas Operator | Jul 2025 |
| 7165 | Miller, L. Joe & Bobby J. Parker | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2000 |
| 7166 | Miller, M. M. & Sons | Alice, TX 78333 | Oil & Gas Operator | Apr 2007 |
| 7167 | Miller, Mike | Corsicana, TX 75110 | Oil & Gas Operator | Sep 2026 |
| 7168 | Miller, Mike / Miller Prod. Co. | Corsicana, TX 75110 | Oil & Gas Operator | Sep 2026 |
| 7169 | Miller, R. A. Energy, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2003 |
| 7170 | Miller, Rex M. | Putnam, TX 76469 | Oil & Gas Operator | Sep 2022 |
| 7171 | Miller, W. C. Operating Company | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2026 |
| 7172 | Mills Oil & Gas | Jacksboro, TX 76458 | Oil & Gas Operator | Mar 2008 |
| 7173 | Mills, H. E. | Lipan, TX 76462 | Oil & Gas Operator | Sep 2004 |
| 7174 | Mills, Pete | Midland, TX 79707 | Oil & Gas Operator | Sep 2005 |
| 7175 | Millwee Oil, Inc. | Midland, TX 79705 | Oil & Gas Operator | Sep 2026 |
| 7176 | Millwee, John F. | Midland, TX 79705 | Oil & Gas Operator | Jul 2018 |
| 7177 | Milo-Austintatious | Houston, TX 77005 | Oil & Gas Operator | Aug 2006 |
| 7178 | Miltex Oil Company | Boerne, TX 78006 | Oil & Gas Operator | Sep 2026 |
| 7179 | Milton Oil & Gas Company | Charleston, WV 25322 | Gas Operator | Nov 1997 |
| 7180 | Miltuck Operating, Inc. | Elysian Field, TX 75642 | Oil & Gas Operator | Dec 1996 |
| 7181 | Mims, William S. | Pleasanton, TX 78064 | Oil Operator | Jun 2009 |
| 7182 | Min-Tex Oil Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Dec 1996 |
| 7183 | Mina Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2012 |
| 7184 | Minco Oil And Gas Co. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2024 |
| 7185 | Miner, R. C. Inc. | Corpus Christ, TX 78413 | Oil & Gas Operator | Apr 2002 |
| 7186 | Miner, R. C. Oil, Inc. | MC Queeney, TX 78123 | Oil & Gas Operator | Sep 2026 |
| 7187 | Mineral Development, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Aug 1996 |
| 7188 | Mineral Resources, Incorporated | Lewisville, TX 75029 | Oil & Gas Operator | Sep 2026 |
| 7189 | Mineral Technologies, Inc. | Midland, TX 79704 | Oil & Gas Operator | Sep 2026 |
| 7190 | Minexprod LLC | Katy, TX 77494 | Oil Operator | Sep 2026 |
| 7191 | Mingus Oil & Gas | Mingus, TX 76463 | Oil & Gas Operator | Sep 2026 |
| 7192 | Minihan Oil & Gas Corporation | Midland, TX 79704 | Oil & Gas Operator | Apr 2004 |
| 7193 | Minihan Oil & Gas LTD. | Denver, CO 80202 | Oil & Gas Operator | Jul 2006 |
| 7194 | Mink, Jay, Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Aug 2017 |
| 7195 | Minuja Oil And Gas LLC | Corpus Christi, TX 78401 | Oil & Gas Operator | Sep 1996 |
| 7196 | Minute Hand LLC | Brenham, TX 77834 | Oil & Gas Operator | Sep 2026 |
| 7197 | Minuteman Energy, LLC | Georgetown, TX 78633 | Oil & Gas Operator | Feb 2015 |
| 7198 | Minyak Producing Company, Inc. | Sabine Pass, TX 77655 | Oil & Gas Operator | Sep 2026 |
| 7199 | Miocene Oil & Gas, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Jul 1998 |
| 7200 | Miocene Oil & Gas, LTD. | Englewood, CO 80110 | Oil & Gas Operator | Sep 2026 |