| 18901 | Meridian Resource & Expl Co, The | Houston, TX 77077 | Oil & Gas Operator | Dec 2000 |
| 18902 | Meridian Resource & Expl LLC,The | Houston, TX 77094 | Oil & Gas Operator | Nov 2012 |
| 18903 | Meridian Resources (USA) Inc. | | Oil & Gas Operator | Aug 2024 |
| 18904 | Meridian Resources, LLC | Evansville, IN 47715 | Oil Operator | Jul 2024 |
| 18905 | Merimac Investments, Inc. | Fort Worth, TX 76109 | Oil & Gas Operator | Jan 1997 |
| 18906 | Merit Energy Co. Dba Alabama Merit Energy Co., Inc. | | Oil & Gas Operator | Aug 2005 |
| 18907 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Oct 2025 |
| 18908 | Merit Energy Company, LLC | Dallas, TX 75009 | Oil & Gas Operator | Jun 2025 |
| 18909 | Merit Field LLC | | Oil & Gas Operator | Dec 2001 |
| 18910 | Merit Oil Company | San Angelo, TX 76901 | Oil & Gas Operator | May 1994 |
| 18911 | Merit Productions | | Oil Operator | Sep 1996 |
| 18912 | Meritage Energy Company LLC | Denver, CO 80202 | Oil & Gas Operator | May 2013 |
| 18913 | Meritage Energy Partners LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2005 |
| 18914 | Meritage Homes Of California Inc. | | Oil Operator | Dec 2020 |
| 18915 | Merkaz Drilling, LLC | Dallas, TX 75229 | Oil Operator | Oct 2025 |
| 18916 | Merkin LLC | Austin, TX 78737 | Oil Operator | Oct 2025 |
| 18917 | Merl Wiggins Et Al | | Oil & Gas Operator | Sep 1996 |
| 18918 | Merlin J Verret | | Gas Operator | Jun 1986 |
| 18919 | Merlon Texas, Inc. | Houston, TX 77056 | Oil Operator | Jun 2013 |
| 18920 | Mermac Operating Company Inc | Norman, OK 73072 | Oil & Gas Operator | Mar 2015 |
| 18921 | Meroda Resources LLC | Mustang, OK 73064-9408 | Oil & Gas Operator | Apr 2000 |
| 18922 | Merrick Oil & Gas | | Oil & Gas Operator | Mar 2025 |
| 18923 | Merrick Ward S Inc | Ardmore, OK 73402 | Oil & Gas Operator | Feb 2001 |
| 18924 | Merrico Resource | | Oil Operator | Dec 1996 |
| 18925 | Merrico Resources | | Oil Operator | Mar 1992 |
| 18926 | Merrico Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2008 |
| 18927 | Merrill Natural Res Inc | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 1985 |
| 18928 | Merrill Operating, LLC | Snyder, TX 79550 | Oil Operator | Apr 2016 |
| 18929 | Merrill, Brian G. | Depew, NY 14043 | Gas Operator | Dec 2024 |
| 18930 | Merrimac Energy Corp. | Dallas, TX 75206 | Oil & Gas Operator | Aug 1999 |
| 18931 | Merrion & Bayless | Farmington, NM 87401 | Oil & Gas Operator | May 1982 |
| 18932 | Merrion Oil & Gas Corp | Farmington, NM 87401 | Oil & Gas Operator | Aug 2025 |
| 18933 | Merritt Oil Comp | | Oil Operator | Jan 1990 |
| 18934 | Merritt Operating, Inc. | Mineola, TX 75773 | Oil & Gas Operator | Oct 2025 |
| 18935 | Merritt, William Kevin | Dallas, TX 75225 | Oil & Gas Operator | Dec 1994 |
| 18936 | Mert Development Inc | | Oil & Gas Operator | Dec 2021 |
| 18937 | Merta, Mike | Alice, TX 78333 | Oil & Gas Operator | Aug 2005 |
| 18938 | Mertz Energy LLC | Houston, TX 77098 | Oil & Gas Operator | Jan 2025 |
| 18939 | Mervin Troyer | Union City, PA 16438-8510 | Gas Operator | Dec 2008 |
| 18940 | Mervine Oil Company Inc | Blackwell, OK 74631-0514 | Oil Operator | Jan 2013 |
| 18941 | Merzbacher, George F. Jr. | Robstown, TX 78380 | Oil & Gas Operator | May 1994 |
| 18942 | Mesa Chica Corp. | San Antonio, TX 78278 | Oil & Gas Operator | May 2018 |
| 18943 | Mesa Energy Partners LLC | | Oil & Gas Operator | Sep 2015 |
| 18944 | Mesa Energy, Inc. | Austin, TX 78755 | Oil & Gas Operator | Dec 2013 |
| 18945 | Mesa Exploration Company Inc | Shawnee, OK 74801 | Oil & Gas Operator | Jun 2025 |
| 18946 | Mesa Gulf Coast LLC | | Oil & Gas Operator | Dec 2020 |
| 18947 | Mesa Hydrocarbons LLC | | Oil & Gas Operator | Sep 2003 |
| 18948 | Mesa Operating Co. | Irving, TX 75039 | Oil & Gas Operator | Aug 1997 |
| 18949 | Mesa Operating L | | Oil & Gas Operator | Dec 1996 |
| 18950 | Mesa Operating LP | Irving, TX 75039-3746 | Oil & Gas Operator | Oct 2010 |
| 18951 | Mesa Operating LTD Partnership | Amarillo, TX 79189 | Oil & Gas Operator | May 1994 |
| 18952 | Mesa Petroleum C | | Oil & Gas Operator | Dec 1986 |
| 18953 | Mesa Petroleum Co. | | Oil & Gas Operator | Aug 1985 |
| 18954 | Mesa Production Company | Amarillo, TX 79189 | Oil & Gas Operator | Dec 1983 |
| 18955 | Mesa Ridge Holdings LLC | Abilene, TX 79603 | Oil Operator | Oct 2025 |
| 18956 | Mesa VIsta Operating, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2025 |
| 18957 | Mescalero Energy, Inc. | San Antonio, TX 78231 | Oil & Gas Operator | Aug 2003 |
| 18958 | Mescko Producing & Operating Co. Inc. | Burbank, OH 44214 | Oil & Gas Operator | Dec 2024 |
| 18959 | Mesh LTD | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 18960 | Mesquite Land & Minerals Co. | Albany, TX 76430 | Oil Operator | Oct 2025 |
| 18961 | Mesquite Oil & Gas | Olney, TX 76374 | Oil & Gas Operator | Oct 2025 |
| 18962 | Mesquite Oil & Gas Production | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 18963 | Mesquite SWD Inc | Carlsbad, NM 88221 | Oil & Gas Operator | Oct 2025 |
| 18964 | Messenger Petroleum, Inc. | Kingman, KS 67068 | Oil & Gas Operator | Jun 2025 |
| 18965 | Messer LLC | | Gas Operator | Aug 2025 |
| 18966 | Messman Corporation | Wichita, KS 67208 | Oil & Gas Operator | Jun 2025 |
| 18967 | Messman-Rinehart | | Oil & Gas Operator | Mar 1991 |
| 18968 | Messy Oil And Gas, LLC | Garwood, TX 77442 | Oil & Gas Operator | Oct 2025 |
| 18969 | Mestena Operating, L.L.C. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Aug 2015 |
| 18970 | Mestena Operating, LTD. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jun 2009 |
| 18971 | Mestena, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Nov 2001 |
| 18972 | Metairie Energy Company, Inc. | | Oil & Gas Operator | Nov 2019 |
| 18973 | Metano Energy III, LP | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2025 |
| 18974 | Metano Energy, LP | San Antonio, TX 78216 | Oil & Gas Operator | Aug 2008 |
| 18975 | Metco Oil Corporation | Seguin, TX 78155 | Oil Operator | Apr 2016 |
| 18976 | Meteor Developments Inc | Denver, CO BAD ADDR | Oil & Gas Operator | Dec 1995 |
| 18977 | Meter, Erin L. & William J. | Dansville, NY 14437 | Gas Operator | Dec 2024 |
| 18978 | Metgas Co, A Partnership | | Oil & Gas Operator | Dec 2016 |
| 18979 | Methane Productions Inc | Recluse, WY 82725 | Oil & Gas Operator | Apr 2007 |
| 18980 | Metis Energy LLC | Houston, TX 77019 | Oil & Gas Operator | Oct 2025 |
| 18981 | Metro Energy Group, Inc. | Bossier City, LA 71112 | Oil & Gas Operator | May 2013 |
| 18982 | Metro Energy LTD | Scottsdale, AZ 85254 | Oil Operator | Aug 2000 |
| 18983 | Metro Energy, Inc. | Gladstone, MO 64118 | Oil Operator | May 1997 |
| 18984 | Metro Oil Compan | | Oil Operator | Jan 1991 |
| 18985 | Metroplex Barnett Shale LLC | Houston, TX 77001 | Gas Operator | Sep 2008 |
| 18986 | Metropolitan Resources Corp | Tulsa, OK 74169-1734 | Oil & Gas Operator | Mar 2015 |
| 18987 | Mettz,Carmody & Foster Oil Co | | Oil Operator | May 1990 |
| 18988 | Metzger Ed W & Sue | Junction City, OH 43748 | Oil Operator | Dec 2024 |
| 18989 | Metzger Francis A | Junction City, OH 43748 | Oil & Gas Operator | Dec 1999 |
| 18990 | Metzgers Bob | Junction City, OH 43748 | Oil & Gas Operator | Dec 2024 |
| 18991 | Metzner, Norma J. Estate | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 1998 |
| 18992 | Mewbourne Marketing, Inc. | | Oil & Gas Operator | Mar 2013 |
| 18993 | Mewbourne Oil Company | Tyler, TX 75711 | Oil & Gas Operator | Oct 2025 |
| 18994 | Mexco Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Feb 2020 |
| 18995 | Mextex Operating Company | Austin, TX 78734 | Oil & Gas Operator | Oct 2025 |
| 18996 | Meyer Douglas P | Longmont, CO 80501 | Oil & Gas Operator | Aug 2006 |
| 18997 | Meyer Oil Co., Inc. | Skellytown, TX 79080 | Oil & Gas Operator | May 2025 |
| 18998 | Meyer Richard C Inc | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 1999 |
| 18999 | Meyer, David M. | South Wales, NY 14139 | Gas Operator | Dec 2024 |
| 19000 | Meyer, Norbert | Conway Springs, KS 67031 | Oil Operator | Aug 1994 |