| 3901 | Mid-Way Environmental Services Inc | Stroud, OK 74079 | Oil Operator | Apr 2025 |
| 3902 | Midcontinent Oil & Gas Company | Phoenix, AZ 85022-6180 | Oil & Gas Operator | Jun 2012 |
| 3903 | Middle Bay Production Co. Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2014 |
| 3904 | Midgard Energy Company | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2014 |
| 3905 | Midland TMG Inc. | Midland, TX 79705 | Oil & Gas Operator | Apr 2017 |
| 3906 | Midnight Energy Operating LLC | Drumright, OK 74030 | Oil Operator | Oct 2025 |
| 3907 | Midnight Hour LLC | Enid, OK 73702 | Oil & Gas Operator | Apr 2020 |
| 3908 | Midstate Oil & Gas Company | Shawnee, OK 74801 | Oil & Gas Operator | Oct 2025 |
| 3909 | Midstates Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 2000 |
| 3910 | Midway Leasing Inc | Haskell, OK 74436-2406 | Oil & Gas Operator | Jan 2024 |
| 3911 | Midway Operating Company, L.L.C. | Woodward, OK 73802 | Oil & Gas Operator | Dec 2025 |
| 3912 | Midwest Energy Corporation | Tulsa, OK 74105-6083 | Oil & Gas Operator | Aug 2016 |
| 3913 | Midwest Enterprises Inc | Cashion, OK 73016-9626 | Oil & Gas Operator | Apr 2025 |
| 3914 | Midwest Eor Inc | Tulsa, OK 74105-6059 | Oil & Gas Operator | May 2013 |
| 3915 | Midwest Oil Company | Beggs, OK 74421-2976 | Oil Operator | Apr 2015 |
| 3916 | Midwest Operating Company Inc | Tulsa, OK 74105-6059 | Oil & Gas Operator | Nov 1999 |
| 3917 | Midwest Pipe & Supply Company | Oklahoma City, OK 73154-0245 | Oil & Gas Operator | Dec 2008 |
| 3918 | Midwestern Exploration Company | Edmond, OK 73013 | Oil & Gas Operator | May 2025 |
| 3919 | Migwis Operating LLC | Cushing, OK 74023-4854 | Oil & Gas Operator | Oct 2020 |
| 3920 | Mija LLC | Oklahoma City, OK 73151 | Oil & Gas Operator | Nov 2025 |
| 3921 | Mikal R Brown Oil LLC | Cleveland, OK 74020-6475 | Oil Operator | Dec 2022 |
| 3922 | Mikarden Energy Inc | Sapulpa, OK 74066 | Oil Operator | Oct 2025 |
| 3923 | Mikco Inc | Tulsa, OK 74133 | Oil & Gas Operator | May 2001 |
| 3924 | Milagro Exploration, LLC | Houston, TX 77010 | Oil & Gas Operator | Aug 2018 |
| 3925 | Milburn R Kenneth | Ardmore, OK 73402-1118 | Oil & Gas Operator | Sep 2014 |
| 3926 | Milburn Robert G | Countyline, OK 73025 | Oil Operator | Apr 2020 |
| 3927 | Mild Oil Company | Duncan, OK 73533-9532 | Oil Operator | Mar 2000 |
| 3928 | Miller & Stanley Oper Co | Amarillo, TX 79114 | Oil & Gas Operator | Sep 2014 |
| 3929 | Miller B Investments | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2007 |
| 3930 | Miller Exploration Company | Tulsa, OK 74136-1020 | Oil & Gas Operator | Mar 2015 |
| 3931 | Miller Joe B | Lawton, OK 73507 | Oil Operator | Sep 2025 |
| 3932 | Miller John Production | Bristow, OK 74010-2455 | Oil & Gas Operator | Jul 2016 |
| 3933 | Miller Oil & Gas Co | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 2017 |
| 3934 | Miller Petroleum Company | Yukon, OK 73099-0452 | Oil & Gas Operator | Aug 2009 |
| 3935 | Miller William D | Sapulpa, OK 74066-1061 | Oil Operator | Oct 2010 |
| 3936 | Miller, James R | Herrington, KS 67449 | Oil Operator | Oct 2025 |
| 3937 | Miller-McGee Operating Inc | Stroud, OK 74079 | Oil & Gas Operator | Nov 2025 |
| 3938 | Milmac Operating Company | Lubbock, TX 79408-2976 | Oil & Gas Operator | Sep 2004 |
| 3939 | Milne Lewis Joel | Allen, OK 74825 | Oil & Gas Operator | Mar 2015 |
| 3940 | Min-Tex Oil Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Dec 1996 |
| 3941 | Miner Rick Oil Inc | Drumright, OK 74030-0373 | Oil & Gas Operator | Apr 2022 |
| 3942 | Minerva Oil Company | Tulsa, OK 74152-0858 | Oil & Gas Operator | Mar 2015 |
| 3943 | Minihan Oil And Gas Company | Seminole, OK 74868-9790 | Oil & Gas Operator | Sep 2014 |
| 3944 | Minihan Production Co | Seminole, OK 74868 | Oil & Gas Operator | Jan 1997 |
| 3945 | Mink Oil Company | | Oil Operator | Nov 2003 |
| 3946 | Mink Richard | Cement, OK 73017 | Oil & Gas Operator | Oct 2025 |
| 3947 | Minor Jr W T | Wichita Falls, TX 76307 | Oil Operator | Nov 1998 |
| 3948 | Minor Mark | FT Worth, TX 76116-1003 | Oil Operator | Nov 2015 |
| 3949 | Minuja Oil And Gas LLC | Corpus Christi, TX 78401 | Oil & Gas Operator | Sep 1996 |
| 3950 | Miracle Production Inc | Yukon, OK 73085-0680 | Oil & Gas Operator | Jun 2007 |
| 3951 | Mission Leasing LTD | Tulsa, OK 74136 | Oil Operator | Dec 2000 |
| 3952 | Mission Oil & Gas | Pawhuska, OK 74056 | Oil Operator | May 2013 |
| 3953 | Mitchell Cecil D | Haskell, OK 74436-7667 | Oil & Gas Operator | Apr 2020 |
| 3954 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
| 3955 | Mitchell Martha | Henryetta, OK 74437-0488 | Oil & Gas Operator | Apr 2011 |
| 3956 | Miti-Mini Inc | Wetumka, OK 74883-6172 | Gas Operator | Jul 2016 |
| 3957 | Mito Resources LLC | Edmond, OK 73013 | Oil & Gas Operator | Nov 2025 |
| 3958 | Miura Petroleum Inc | Topeka, KS 66603 | Oil & Gas Operator | May 2006 |
| 3959 | MJ Goetz Bonding, LLC | Bartlesville, OK 74006 | Oil Operator | Oct 2025 |
| 3960 | MJB Production Company, Inc. | Brownfield, TX 79316 | Oil & Gas Operator | Dec 2025 |
| 3961 | MJM Oil & Gas, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
| 3962 | MJM Resources Inc | Norman, OK 73072 | Oil & Gas Operator | Nov 2025 |
| 3963 | MLC Resources LLC | Kingfisher, OK 73750-0364 | Oil & Gas Operator | Oct 2025 |
| 3964 | MLT Energy, LLC | Derby, KS 67037 | Oil Operator | Oct 2025 |
| 3965 | Moabb Oil Corp | | Oil & Gas Operator | Apr 1998 |
| 3966 | Mobil Exp & Prod Us Inc | Houston, TX 77060-1991 | Oil & Gas Operator | May 2001 |
| 3967 | Mode Oil & Gasdev LTD12/21/Ofb 9-98 | | Oil & Gas Operator | May 2013 |
| 3968 | Moffitt W G Trust | Fort Gibson, OK 74434-4258 | Gas Operator | Nov 2019 |
| 3969 | Mogo Operating, LLC | Norman, OK 73069 | Oil & Gas Operator | Nov 2025 |
| 3970 | Mogul Energy Corp | Los Angeles, CA 90024 | Oil & Gas Operator | Jan 2001 |
| 3971 | Mohawk Operating LLC | Oklahoma City, OK 73173-8907 | Gas Operator | Feb 2004 |
| 3972 | Mollenkopf Mark | Anadarko, OK 73005 | Oil Operator | Jul 2025 |
| 3973 | Molz Oil Company Inc | Kiowa, KS 67070 | Oil & Gas Operator | Nov 2025 |
| 3974 | Moms Oil & Gas LLC | Nowata, OK 74048 | Oil & Gas Operator | Mar 2023 |
| 3975 | Monarch Energy Company LLC | Eufaula, OK 74432 | Oil & Gas Operator | Oct 2025 |
| 3976 | Monarch Petroleum Corporation | FT Worth, TX 76102 | Oil & Gas Operator | Dec 2019 |
| 3977 | Moncrief R W Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 1994 |
| 3978 | Monexco | Edmond, OK 73034-3776 | Oil & Gas Operator | Mar 2008 |
| 3979 | Monexco LLC | Dallas, TX 75204-2634 | Oil & Gas Operator | Oct 2025 |
| 3980 | Monexco Operating Company | Dallas, TX 75204-2634 | Oil & Gas Operator | Oct 2025 |
| 3981 | Monroe Natural Gas Inc | Norman, OK 73071 | Oil & Gas Operator | Oct 2025 |
| 3982 | Montclair Energy LLC | Edmond, OK 73034-7291 | Oil & Gas Operator | Nov 2025 |
| 3983 | Montego Resources Inc | Oklahoma City, OK 73172-0192 | Oil & Gas Operator | Mar 2015 |
| 3984 | Monterey Production Company LLC | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2025 |
| 3985 | Montex Exploration Company | Houston, TX 77057 | Oil & Gas Operator | Mar 2011 |
| 3986 | Montgomery Exploration Co LTD | Dallas, TX 75204-2634 | Oil & Gas Operator | Nov 2025 |
| 3987 | Montgomery Jake E | Henryetta, OK 74437 | Oil & Gas Operator | Sep 2025 |
| 3988 | Montgomery Oil & Gas Expl Inc | Tulsa, OK 74170-1884 | Oil & Gas Operator | Mar 2005 |
| 3989 | Monty L Hott Production Corporation | Oklahoma City, OK 73142 | Oil & Gas Operator | Oct 2025 |
| 3990 | Moore & Moore Energy Inc | Purcell, OK 73080-0674 | Oil & Gas Operator | Dec 2012 |
| 3991 | Moore Clay | Bradenton, FL 34211 | Oil & Gas Operator | Oct 2025 |
| 3992 | Moore David K | Duncan, OK 73575 | Oil & Gas Operator | Oct 2009 |
| 3993 | Moore Don | Elmore City, OK 73433 | Oil & Gas Operator | Oct 2025 |
| 3994 | Moore Investments LC | Oklahoma City, OK 73116-9044 | Oil & Gas Operator | Feb 2023 |
| 3995 | Moore Lynn D | Collinsville, OK 74021 | Oil Operator | Aug 2013 |
| 3996 | Moore Oil And Gas | Burleson, TX 76028 | Oil & Gas Operator | Dec 2025 |
| 3997 | Moore Petroleum Invest Corp | Norman, OK 73072-4217 | Oil & Gas Operator | Oct 2025 |
| 3998 | Moore Richard L | Morris, OK 74445 | Oil Operator | Aug 2013 |
| 3999 | Moore Robert L | Perryton, TX 79070-1275 | Oil & Gas Operator | Apr 2020 |
| 4000 | Moore Tommy M | Sapulpa, OK 74066-8273 | Oil & Gas Operator | May 2013 |