| 18901 | Midland Oil Co | Brownsville, OH 43721 | Oil & Gas Operator | Dec 2000 |
| 18902 | Midland Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Aug 2024 |
| 18903 | Midland Res. Oper. Co., Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 1998 |
| 18904 | Midland Southwest Cold Lake Inc | Midland, TX 79702 | Oil & Gas Operator | Jun 1997 |
| 18905 | Midland TMG Inc. | Midland, TX 79705 | Oil & Gas Operator | Apr 2017 |
| 18906 | Midland Workover, Inc. | | Oil & Gas Operator | Jul 2024 |
| 18907 | Midlands Gas Cor | | Gas Operator | Dec 1996 |
| 18908 | Midnight Drilling LLC | | Oil & Gas Operator | Jan 2016 |
| 18909 | Midnight Energy Operating LLC | Drumright, OK 74030 | Oil Operator | Sep 2024 |
| 18910 | Midnight Hour LLC | Enid, OK 73702 | Oil & Gas Operator | Apr 2020 |
| 18911 | Midnight Well Se | | Oil Operator | Sep 1994 |
| 18912 | Midnite Oil Co. | Wichita Falls, TX 76310 | Oil & Gas Operator | Nov 2024 |
| 18913 | Midpar L.P. | Midland, TX 79702 | Oil & Gas Operator | Feb 1995 |
| 18914 | Midroc Oil Company Et Al | | Oil Operator | Nov 1984 |
| 18915 | Midroc Operating Co. & Watkins, H. Vaughan, Jr. | | Oil & Gas Operator | Feb 2010 |
| 18916 | Midroc Operating Co. & Watkins, H. Vaughan, Jr. & Placid Oil Co. | | Oil & Gas Operator | May 1991 |
| 18917 | Midroc Operating Company | | Oil & Gas Operator | Apr 2013 |
| 18918 | Midsco | Cross Plains, TX 76443 | Oil & Gas Operator | Nov 2024 |
| 18919 | Midstate Employment Services LLC | | Oil Operator | Apr 2024 |
| 18920 | Midstate Energy Inc | | Oil & Gas Operator | Aug 2017 |
| 18921 | Midstate Oil & Gas Company | Shawnee, OK 74801 | Oil & Gas Operator | Aug 2024 |
| 18922 | Midstates Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2024 |
| 18923 | Midstates Energy Operating, LLC | FT Myers, FL 33912 | Oil Operator | Jun 2024 |
| 18924 | Midstates Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 2000 |
| 18925 | Midstates Petroleum Company LLC | Tulsa, OK 74103 | Oil & Gas Operator | May 2018 |
| 18926 | Midstates Petroleum Corp. | | Oil & Gas Operator | Dec 2008 |
| 18927 | Midville Energy, LLC. | Midland, TX 79705 | Oil & Gas Operator | Jul 2024 |
| 18928 | Midway City Gas Company | Huntington, WV 25701 | Oil & Gas Operator | Dec 2018 |
| 18929 | Midway Drilling | | Oil & Gas Operator | Dec 1996 |
| 18930 | Midway Drilling Co. | Richmond, TX 77469 | Oil & Gas Operator | Nov 2024 |
| 18931 | Midway Energy, LLC | Thermopolis, WY 82443 | Oil Operator | Aug 2024 |
| 18932 | Midway Leasing Inc | Haskell, OK 74436-2406 | Oil & Gas Operator | Jan 2024 |
| 18933 | Midway Operating Co. | Great Bend, KS 67530 | Oil Operator | Jan 1998 |
| 18934 | Midway Operating Company, L.L.C. | Woodward, OK 73802 | Oil & Gas Operator | Nov 2024 |
| 18935 | Midway Production Co. | | Gas Operator | May 1990 |
| 18936 | Midway Terrel Operating Co | | Oil & Gas Operator | Dec 1999 |
| 18937 | Midway-Sunset Investors LLC | | Oil & Gas Operator | Sep 2024 |
| 18938 | Midwest Energy Companies, Inc. | | Oil & Gas Operator | Feb 1998 |
| 18939 | Midwest Energy Corporation | Tulsa, OK 74105-6083 | Oil & Gas Operator | Aug 2016 |
| 18940 | Midwest Enterprises, Inc. | Cashion, OK 73016-9626 | Oil & Gas Operator | Apr 2024 |
| 18941 | Midwest Eor Inc | Tulsa, OK 74105-6059 | Oil & Gas Operator | May 2013 |
| 18942 | Midwest Exploration Inc | Villa Park, IL 60181 | Oil & Gas Operator | Dec 1990 |
| 18943 | Midwest Oil & Gas | Columbus, OH 43220-1836-1836 | Oil & Gas Operator | Dec 2021 |
| 18944 | Midwest Oil Company | Beggs, OK 74421-2976 | Oil Operator | Apr 2015 |
| 18945 | Midwest Oil, LLC | Destin, FL 32541 | Oil Operator | Apr 2024 |
| 18946 | Midwest Operating Company Inc | Tulsa, OK 74105-6059 | Oil & Gas Operator | Nov 1999 |
| 18947 | Midwest Pipe & Supply Company | Oklahoma City, OK 73154-0245 | Oil & Gas Operator | Dec 2008 |
| 18948 | Midwest Radiant Oil & Gas Co | | Oil Operator | Dec 2021 |
| 18949 | Midwest Turf | El Dorado, KS 67042 | Oil Operator | Jun 1998 |
| 18950 | Midwestern Energy | Mankato, MN 56003 | Oil & Gas Operator | Nov 2024 |
| 18951 | Midwestern Exploration Co. | Edmond, OK 73013 | Oil & Gas Operator | Jul 2024 |
| 18952 | Midwestern Oil C | | Oil & Gas Operator | May 1995 |
| 18953 | Midwestern Suppl | | Oil Operator | Oct 1986 |
| 18954 | Mieka LLC | Flower Mound, TX 75028-7446 | Oil & Gas Operator | Dec 2014 |
| 18955 | Miesch Exploration Corporation | Dallas, TX 75229 | Oil & Gas Operator | Nov 2002 |
| 18956 | Migwis | Great Bend, KS 67530 | Oil Operator | Mar 1988 |
| 18957 | Migwis Operating LLC | Cushing, OK 74023-4854 | Oil & Gas Operator | Oct 2020 |
| 18958 | Mihalik Paul | Madison, OH 44057 | Oil & Gas Operator | Dec 2023 |
| 18959 | Mija LLC | Edmond, OK 73034 | Oil & Gas Operator | Sep 2024 |
| 18960 | Mikal R Brown Oil LLC | Cleveland, OK 74020-6475 | Oil Operator | Dec 2022 |
| 18961 | Mikarden Energy Inc | Sapulpa, OK 74066 | Oil Operator | Jun 2024 |
| 18962 | Mikco Inc | Tulsa, OK 74133 | Oil & Gas Operator | May 2001 |
| 18963 | Mike Blaes & Peggy Blaes, A General Partnership | Cherryvale, KS 67335 | Oil Operator | Dec 2023 |
| 18964 | Mike Bonner | | Oil Operator | Aug 1999 |
| 18965 | Mike Kelso Oil, Inc. | Chase, KS 67524 | Oil & Gas Operator | Jul 2024 |
| 18966 | Mike Oil LLC | Colorado City, TX 79512 | Oil Operator | Nov 2024 |
| 18967 | Miken Oil, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2024 |
| 18968 | Mikeska Stock Farm | San Angelo, TX 76904 | Oil & Gas Operator | Nov 2024 |
| 18969 | Mikol Oil LLC | Hays, KS 67601 | Oil Operator | Jul 2024 |
| 18970 | Mil-Cro Inc. | | Oil Operator | Jan 1994 |
| 18971 | Milagro Exploration, LLC | Houston, TX 77010 | Oil & Gas Operator | Aug 2018 |
| 18972 | Milam Oil Corp Dba Milam Construction | El Dorado, AR 71730 | Oil & Gas Operator | Jun 2024 |
| 18973 | Milam, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 2024 |
| 18974 | Milburn R Kenneth | Ardmore, OK 73402-1118 | Oil & Gas Operator | Sep 2014 |
| 18975 | Milburn Robert G | Countyline, OK 73025 | Oil Operator | Apr 2020 |
| 18976 | Milburn, Harold J. | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2003 |
| 18977 | Mild Oil Company | Duncan, OK 73533-9532 | Oil Operator | Mar 2000 |
| 18978 | Miles Oil & Gas Co. | | Oil & Gas Operator | Feb 1988 |
| 18979 | Miles Production Co. | Argyle, TX 76226 | Oil & Gas Operator | Mar 2008 |
| 18980 | Milestone Operating, Inc. | Montgomery, TX 77316 | Oil & Gas Operator | Nov 2024 |
| 18981 | Milestone Pet/El Paso Expl | | Oil & Gas Operator | Jul 1985 |
| 18982 | Milford Oil Co | Tatum, NM 88267 | Oil & Gas Operator | Feb 1995 |
| 18983 | Milhoan, Douglas L And Janet L | Belleville, WV 26133 | Gas Operator | Dec 2021 |
| 18984 | Millennium Exploration Co. LLC | San Antonio, TX 78232 | Oil & Gas Operator | Nov 2024 |
| 18985 | Millennium Minerals Corporation | Fredericksbrg, TX 78624 | Oil Operator | Nov 2024 |
| 18986 | Millennium Offshore Group, Inc. | Houston, TX 77007 | Oil & Gas Operator | Sep 2005 |
| 18987 | Millennium Oil & Gas Inc | Dexter, KS 67038 | Oil & Gas Operator | Dec 2023 |
| 18988 | Millennium Oil & Gas LLC | Denver, CO 80203 | Oil & Gas Operator | Aug 2024 |
| 18989 | Millennium Operating Company | Houston, TX 77057 | Oil & Gas Operator | Nov 2024 |
| 18990 | Millennium Petro-Physics, Inc. | Corpus Chrsti, TX 78480 | Oil & Gas Operator | Nov 2024 |
| 18991 | Millennium Resources, LLC. | Big Lake, TX 76932 | Oil & Gas Operator | Sep 2012 |
| 18992 | Millennium Resources, LP | Midland, TX 79708 | Oil Operator | Nov 2024 |
| 18993 | Miller & Stanley Oper Co | Amarillo, TX 79114 | Oil & Gas Operator | Sep 2014 |
| 18994 | Miller B Investments | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2007 |
| 18995 | Miller Bros Oil Company, Inc. | Burlington, KS 66839 | Oil Operator | Dec 2009 |
| 18996 | Miller Brothers | | Oil & Gas Operator | Nov 2000 |
| 18997 | Miller Brothers And Federal Oil Co | | Oil Operator | May 1984 |
| 18998 | Miller Brothers And Total Petroleum And Wiser Oil | | Oil & Gas Operator | Sep 1991 |
| 18999 | Miller Energy Company II LLC | | Oil & Gas Operator | Jul 2024 |
| 19000 | Miller Energy Inc | Houston, TX 77024 | Oil & Gas Operator | Oct 2016 |