| 17901 | M & L Enterprises A Partnership | Hobbs, NM 88240 | Oil & Gas Operator | Feb 2001 |
| 17902 | M & L Oil Compan | | Oil Operator | Jun 1993 |
| 17903 | M & M Construction Co. | Kilgore, TX 75663 | Oil & Gas Operator | Jan 1996 |
| 17904 | M & M Contractin | | Oil Operator | Mar 1992 |
| 17905 | M & M Drilling | Spencer, WV 25276-0905 | Oil & Gas Operator | Dec 2021 |
| 17906 | M & M Drilling And Development | | Gas Operator | Dec 1988 |
| 17907 | M & M Exploration Inc | Westminster, CO 80031 | Oil & Gas Operator | Nov 2025 |
| 17908 | M & M General Contractors, Inc. | Big Spring, TX 79720 | Oil & Gas Operator | Dec 2025 |
| 17909 | M & M Investments | | Oil & Gas Operator | May 1990 |
| 17910 | M & M Oil & Gas Exploration Inc | Abilene, TX 79601 | Oil & Gas Operator | Mar 2008 |
| 17911 | M & M Oil Co., LLC | Oil City, LA 71061 | Oil & Gas Operator | Dec 2025 |
| 17912 | M & M Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Sep 2025 |
| 17913 | M & M Petroleum Company | Mannford, OK 74044-0462 | Oil Operator | Apr 2020 |
| 17914 | M & M Production | | Oil & Gas Operator | Jun 2010 |
| 17915 | M & M Production & Operation | Farmington, NM 87402 | Oil & Gas Operator | Oct 2019 |
| 17916 | M & M Production LTD. | Midland, TX 79704 | Oil & Gas Operator | Dec 2025 |
| 17917 | M & M Resources Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Sep 2018 |
| 17918 | M & M Royalty LTD | North Canton, OH 44720 | Oil & Gas Operator | Dec 2016 |
| 17919 | M & M Well Service, LLC | Medicine Lodge, KS 67104 | Gas Operator | Sep 2025 |
| 17920 | M & O Oil Co.A General Partnership | Fredonia, KS 66736 | Oil Operator | May 2025 |
| 17921 | M & R Exploration Company | Houston, TX 77074 | Oil & Gas Operator | Aug 2003 |
| 17922 | M & R Investments Ohio LLC | Birmingham, AL 35238 | Oil & Gas Operator | Dec 2019 |
| 17923 | M & S Energy, LLC | El Dorado, KS 67042 | Oil Operator | Jun 2019 |
| 17924 | M & S Exploration | El Campo, TX 77437 | Oil & Gas Operator | Dec 2025 |
| 17925 | M & S Oil Co | Lawrenceburg, IN 47025-8675 | Oil & Gas Operator | Aug 2000 |
| 17926 | M & S Operating LLC | Oklahoma City, OK 73112 | Oil Operator | Mar 1999 |
| 17927 | M & S Production, Inc. | | Oil Operator | Jul 1994 |
| 17928 | M & T Oil Company | Copan, OK 74022 | Oil Operator | Oct 2025 |
| 17929 | M & T Petroleum Management Inc | | Oil Operator | May 1984 |
| 17930 | M & T Production Company LLC | Tulsa, OK 74132-3742 | Oil Operator | Apr 2011 |
| 17931 | M & W Of Lovington Inc | Lovington, NM 88260 | Oil & Gas Operator | Jan 2011 |
| 17932 | M & W Oil LLC | Hamilton, KS 66853 | Oil Operator | Nov 2015 |
| 17933 | M & Z Engineering, Inc. | | Oil & Gas Operator | May 1998 |
| 17934 | M A S Operators | Kilgore, TX 75663 | Oil & Gas Operator | Jul 1999 |
| 17935 | M And V Resources Inc | Crescent, OK 73028 | Oil & Gas Operator | Nov 2025 |
| 17936 | M Brad Bennett Inc | Midland, TX 797101510 | Oil & Gas Operator | Jul 2006 |
| 17937 | M C F Oil Co Inc | Dellroy, OH 44620 | Oil & Gas Operator | Dec 1995 |
| 17938 | M C Gandy & Dale Gandy | Hobbs, NM BADADDR | Oil Operator | Sep 2008 |
| 17939 | M C L Company LTD | Edmond, OK 73083-6243 | Oil & Gas Operator | Jul 2001 |
| 17940 | M D B Operations | | Oil Operator | Dec 1988 |
| 17941 | M E Booth Corporation | Ada, OK 74820 | Oil Operator | Oct 2025 |
| 17942 | M E G G , Inc. | Borger, TX 79008 | Oil & Gas Operator | Sep 2003 |
| 17943 | M E III Corporation | | Oil & Gas Operator | Apr 2022 |
| 17944 | M E Klein & Associates LLC | Washington, OK 73093-4663 | Oil & Gas Operator | Nov 2025 |
| 17945 | M E Klein & Associates, Inc. | Norman, OK 73070 | Oil & Gas Operator | Sep 2025 |
| 17946 | M E W Enterprise | Roswell, NM 88203 | Oil & Gas Operator | Aug 2024 |
| 17947 | M G Energy LLC | Cushing, OK 74023 | Oil & Gas Operator | Oct 2025 |
| 17948 | M G Gulff | | Oil Operator | May 1988 |
| 17949 | M G Production Co | Rock Springs, WY 82901 | Oil Operator | Dec 1999 |
| 17950 | M G U Development Co | | Oil & Gas Operator | Jun 1987 |
| 17951 | M G U Development Co And Mask Thomas B And Ma020 | | Oil & Gas Operator | Jun 1987 |
| 17952 | M H Oil & Gas | Chanute, KS 66720 | Oil & Gas Operator | Aug 1998 |
| 17953 | M H Oil & Gas LLC | Okeene, OK 73763-0684 | Oil & Gas Operator | Feb 2013 |
| 17954 | M H W, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Jul 1996 |
| 17955 | M IV Ops., Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Mar 1998 |
| 17956 | M J H Enterprises LC | | Oil Operator | Mar 2005 |
| 17957 | M J M D Inc | Burlington, IA 52601 | Oil Operator | Jan 2013 |
| 17958 | M K M LTD | | Oil & Gas Operator | Jun 1998 |
| 17959 | M K M Oil Company | Casper, WY 82602 | Oil & Gas Operator | Jun 1996 |
| 17960 | M K W Inc | Oklahoma City, OK 73112-8884 | Oil & Gas Operator | Dec 2009 |
| 17961 | M L Energy | | Oil Operator | Feb 2015 |
| 17962 | M L Energy LLC | | Oil Operator | Dec 2025 |
| 17963 | M L Mayfield Petroleum Corp. | | Oil & Gas Operator | Aug 1991 |
| 17964 | M M Energy Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2025 |
| 17965 | M M Resources In | | Gas Operator | Feb 1990 |
| 17966 | M P O'Meara, Jr. Inc. | | Oil & Gas Operator | Sep 2000 |
| 17967 | M R Drilling Company | Monahans, TX 79756 | Oil & Gas Operator | Feb 1998 |
| 17968 | M R Schalk | Albuquerque, NM 87125 | Oil & Gas Operator | Jul 2022 |
| 17969 | M R Ventures LLC | Dallas, TX 75367 | Oil & Gas Operator | Oct 2025 |
| 17970 | M S B Company | Slaton, TX 79364 | Oil & Gas Operator | Dec 2016 |
| 17971 | M S Drilling Company | | Oil Operator | Feb 2025 |
| 17972 | M S Exploration Inc | Lexington, OH 44904-9510 | Oil & Gas Operator | Dec 1999 |
| 17973 | M T M Oil | Monahans, TX 79756 | Oil & Gas Operator | Dec 2025 |
| 17974 | M T W Oil Co | Terral, OK 73569 | Oil Operator | Jun 2014 |
| 17975 | M V Crum Gas Partners | Paintsville, KY 41240 | Gas Operator | Dec 2021 |
| 17976 | M V Production Co | | Oil & Gas Operator | Jun 1990 |
| 17977 | M V Ventures, G. P. | | Oil & Gas Operator | Dec 2000 |
| 17978 | M W Petroleum Company | Houston, TX 77056 | Oil & Gas Operator | Dec 1995 |
| 17979 | M W Production Co. | New Braunfels, TX 78130 | Oil & Gas Operator | Aug 2003 |
| 17980 | M&M Energy, LLC | El Paso, TX 79902 | Oil Operator | Dec 2020 |
| 17981 | M&M Oil, LLC | Artesia, NM 88210254 | Oil & Gas Operator | Nov 2025 |
| 17982 | M&M Services LLC | Neodesha, KS 66757 | Gas Operator | Sep 2025 |
| 17983 | M'Red Petroleum, LLC | Pampa, TX 79065 | Oil & Gas Operator | Dec 2010 |
| 17984 | M-2 Oil Company | Wichita Falls, TX 76306 | Oil & Gas Operator | May 2006 |
| 17985 | M-3 Industries | Casper, WY 82602 | Oil & Gas Operator | Sep 2025 |
| 17986 | M-B Operating Co., Inc. | Rowlett, TX 75030 | Oil & Gas Operator | Dec 2025 |
| 17987 | M-B SWD Inc | Crescent, OK 73028-0533 | Oil Operator | Jul 1997 |
| 17988 | M-C Production & Drilling Co,Inc | Longview, TX 75608 | Oil & Gas Operator | Dec 2025 |
| 17989 | M-Five Oil Company | Seguin, TX 78155 | Oil & Gas Operator | Apr 2002 |
| 17990 | M-G Gas Company, Inc. | Plano, TX 75086 | Oil & Gas Operator | Jun 1999 |
| 17991 | M-J Oil Company Inc. | Minerva, OH 44657 | Oil & Gas Operator | Dec 2008 |
| 17992 | M-P Petroleum, Inc. | McPherson, KS 67460 | Oil & Gas Operator | Jan 2013 |
| 17993 | M-S-C Corporation | Houston, TX 77027 | Oil Operator | May 1994 |
| 17994 | M-T Petroleum, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Mar 2008 |
| 17995 | M-Tex Resources, Inc. | Merkel, TX 79536 | Oil & Gas Operator | Dec 2025 |
| 17996 | M-V Company | Refugio, TX 78377 | Oil & Gas Operator | Jun 2004 |
| 17997 | M-W-D Oil Co. | Odessa, TX 79760 | Oil & Gas Operator | Jul 1999 |
| 17998 | M. A. B. Production | | Oil Operator | Nov 2009 |
| 17999 | M. A. Robison | | Oil & Gas Operator | Oct 1998 |
| 18000 | M. B. And D. I. Dupree | | Oil Operator | Nov 1992 |