1 | M K Oil Company | Gillette, WY 82717-3470 | Oil & Gas Operator | Aug 2024 |
2 | Mach Petroleum, Inc. | Tulsa, OK 74153 | Oil & Gas Operator | Nov 2014 |
3 | Macum Energy Inc | Billings, MT 59104 | Oil & Gas Operator | Aug 2021 |
4 | Main Energy, Inc. | Houston, TX 77079 | Oil & Gas Operator | May 2009 |
5 | Makoil, Inc. | Lake Forest, CA 92630 | Oil & Gas Operator | Jul 2007 |
6 | Manuel Corporation | Wichita, KS 67206 | Oil & Gas Operator | Aug 2024 |
7 | Marathon Oil Company | Houston, TX 77024 | Oil & Gas Operator | Sep 2024 |
8 | Mbi Oil & Gas LLC | Dickinson, ND 58601 | Oil & Gas Operator | Oct 2024 |
9 | McCarthy, Lawrence J. | Plains, MT 59859-9215 | Oil & Gas Operator | Nov 2011 |
10 | McCullis Resources Co., Inc. | Littleton, CO 80161 | Oil & Gas Operator | Aug 2024 |
11 | McMinn Operating Company, Inc. | Hempstead, TX 77445 | Oil & Gas Operator | Dec 2024 |
12 | McOil Montana One LLC | Vancouver, BC V6Z2W5 | Gas Operator | Jul 2024 |
13 | MCR, LLC | Shelby, MT 59474 | Oil & Gas Operator | Jun 2024 |
14 | McRae & Henry LTD | Golden, CO 80401 | Oil & Gas Operator | May 2022 |
15 | Medallion Petroleum, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2015 |
16 | Mercury Exploration Co | Fort Worth, TX 76104 | Oil & Gas Operator | Dec 2006 |
17 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
18 | Miami Oil Producers Inc | Reno, NV 89501 | Oil & Gas Operator | Dec 2012 |
19 | Midway Energy, LLC | Thermopolis, WY 82443 | Oil Operator | Aug 2024 |
20 | Miocene Oil & Gas, LTD. | Englewood, CO 80110 | Oil & Gas Operator | Dec 2024 |
21 | Misc Oil Co | Oilmont, MT 59466 | Oil Operator | Aug 2024 |
22 | Missouri Basin Well Service, Inc. | Belfield, ND 58622 | Oil & Gas Operator | Jan 2018 |
23 | Missouri River Royalty Corporation | Bismarck, ND 58504 | Oil & Gas Operator | Sep 2024 |
24 | Mogo Reagan, LLC | Cut Bank, MT 59427 | Oil & Gas Operator | Sep 2024 |
25 | Montalban Oil & Gas Operations, Inc. | Cut Bank, MT 59427 | Oil & Gas Operator | Sep 2024 |
26 | Montana Energy Company, LLC | McAllen, TX 78501 | Oil & Gas Operator | Aug 2024 |
27 | Montana Heartland LLC | Bismarck, ND 58504 | Oil & Gas Operator | Aug 2024 |
28 | Montana Land & Exploration, Inc. | Calgary, AB T2P 3E7 | Oil & Gas Operator | Apr 2019 |
29 | Montana Oil Field Acquisition I, LLC | Rutherford, NJ 07070 | Oil Operator | Jun 2016 |
30 | Montana Power Company | Butte, MT 59701 | Oil & Gas Operator | Apr 2002 |
31 | Montana Power Gas Company | | Oil & Gas Operator | Apr 2002 |
32 | Monte Grande Exploration, Inc. | Cut Bank, MT 59427 | Oil Operator | Oct 2000 |
33 | Morningstar Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2024 |
34 | Mountain Pacific General Inc. | Cut Bank, MT 59427 | Oil & Gas Operator | Jun 2022 |
35 | Mountain States Resources Inc | Cut Bank, MT 59427 | Oil & Gas Operator | Oct 2000 |
36 | Murex Petroleum Corporation | Humble, TX 77347 | Oil & Gas Operator | Sep 2024 |
37 | Murphy Exploration & Prod. Co. | Houston, TX 77094 | Oil & Gas Operator | Jun 2011 |
38 | Mystique Resources Company | Aurora, CO 80016 | Oil & Gas Operator | Feb 2023 |