Oil & Gas Companies in San Juan County, UT
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Mar/Reg Oil Company | Reno, NV 89511 | Oil & Gas Operator | Jul 2025 |
| 2 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Aug 2025 |
| 3 | Matrix Production Company | Sugar Land, TX 77478 | Oil & Gas Operator | Aug 2025 |
| 4 | McAdams, J F | | Oil Operator | May 1971 |
| 5 | McCulloch Geothermal Corporation | | Oil & Gas Operator | Jun 1982 |
| 6 | McCulloch Oil Corp Of Ca | | Oil & Gas Operator | May 1980 |
| 7 | McOr Oil & Gas Corp | Houston, TX 77002 | Oil & Gas Operator | Oct 2013 |
| 8 | McRae & Henry LTD | Golden, CO 80401 | Oil & Gas Operator | May 2022 |
| 9 | Medallion Exploration | Holladay, UT 84117 | Oil & Gas Operator | Dec 2015 |
| 10 | Megadon Enterprises, Inc | Salt Lake City, UT 84121 | Oil Operator | May 2020 |
| 11 | Meridian Oil Inc. | Houston, TX 77210 | Oil & Gas Operator | Aug 1996 |
| 12 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Oct 2025 |
| 13 | Merrion & Bayless | Farmington, NM 87401 | Oil & Gas Operator | May 1982 |
| 14 | Merrion Oil & Gas Corp | Farmington, NM 87401 | Oil & Gas Operator | Aug 2025 |
| 15 | Mesa Operating LTD Partnership | Amarillo, TX 79189 | Oil & Gas Operator | May 1994 |
| 16 | Mesa Production Company | Amarillo, TX 79189 | Oil & Gas Operator | Dec 1983 |
| 17 | Miami Oil Producers Inc | Reno, NV 89501 | Oil & Gas Operator | Dec 2012 |
| 18 | Milestone Pet/El Paso Expl | | Oil & Gas Operator | Jul 1985 |
| 19 | Miller Energy Inc | Houston, TX 77024 | Oil & Gas Operator | Oct 2016 |
| 20 | Miller, Dyer & Co LLC | Denver, CO 80202 | Oil & Gas Operator | May 2009 |
| 21 | Mobil Explor & Prod | Cortez, CO 81321 | Oil & Gas Operator | May 2001 |
| 22 | Mobil Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2016 |
| 23 | Moncrief Oil | Casper, WY 82602 | Oil & Gas Operator | Feb 1986 |
| 24 | Monsanto | Englewood, CO 80111 | Oil & Gas Operator | Apr 1986 |
| 25 | Mountain Fuel Supply Co | Salt Lake City, UT 84139 | Oil & Gas Operator | May 1984 |
| 26 | Mountain States Petroleum Corp | Midland, TX 79702 | Oil & Gas Operator | Apr 2008 |
| 27 | Murdoch Oil Co Inc | Bluff, UT 84512 | Oil & Gas Operator | Jun 2010 |
Production numbers shown above are only for San Juan County, UT and for the production period listed.