| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 101 | MIDLAND | Glacier County, MT | Gas Property | May 2026 |
| 102 | MIDLAND | Toole County, MT | Oil Property | Apr 2026 |
| 103 | MIDLAND REALTY | Toole County, MT | Gas Property | May 2026 |
| 104 | MILES | Toole County, MT | Oil Property | Oct 2021 |
| 105 | MILES | Liberty County, MT | Gas Property | May 2026 |
| 106 | MILLER | Sheridan County, MT | Oil & Gas Property | May 2019 |
| 107 | MILLER | Toole County, MT | Gas Property | May 2026 |
| 108 | MILLER | Glacier County, MT | Oil Property | Apr 2026 |
| 109 | MILLER | Stillwater County, MT | Gas Property | Apr 1992 |
| 110 | MILLER | Richland County, MT | Oil & Gas Property | Mar 2015 |
| 111 | MILLER GIRLS FEDERAL 2758 42-7H | Roosevelt County, MT | Oil & Gas Property | May 2026 |
| 112 | MLFU | Phillips County, MT | Gas Property | Apr 2019 |
| 113 | MOE 1 | Toole County, MT | Oil Property | May 2026 |
| 114 | MOFFAT | Toole County, MT | Gas Property | May 2026 |
| 115 | MOFFATT | Toole County, MT | Gas Property | Apr 2025 |
| 116 | MOFFATT | Toole County, MT | Gas Property | May 2026 |
| 117 | MONARCH | Fallon County, MT | Oil & Gas Property | Dec 2011 |
| 118 | MONARCH | Fallon County, MT | Oil & Gas Property | Mar 2026 |
| 119 | MONDAK WEST FED 1 | Richland County, MT | Oil & Gas Property | May 2026 |
| 120 | MONDALIN | Richland County, MT | Oil & Gas Property | May 2026 |
| 121 | MONSON | Toole County, MT | Oil & Gas Property | Apr 2026 |
| 122 | MONTANA A | Pondera County, MT | Oil Property | Mar 2026 |
| 123 | MONTANA F | Musselshell County, MT | Oil & Gas Property | Jan 2003 |
| 124 | MONZA 16-4F | Roosevelt County, MT | Oil & Gas Property | May 2026 |
| 125 | MOORE | Blaine County, MT | Gas Property | May 2026 |
| 126 | MOORE | Blaine County, MT | Gas Property | May 2026 |
| 127 | MOORE | Blaine County, MT | Gas Property | May 2026 |
| 128 | MOOSE FALLS 29-31H | Richland County, MT | Oil Property | May 2026 |
| 129 | MORASKO 41-25H 43 | Richland County, MT | Oil & Gas Property | May 2026 |
| 130 | MORGAN ( | Glacier County, MT | Gas Property | Mar 2026 |
| 131 | MORGAN 3 | Blaine County, MT | Gas Property | May 2017 |
| 132 | MORKEN | Sheridan County, MT | Oil & Gas Property | Mar 2026 |
| 133 | MORRIS | Musselshell County, MT | Oil Property | Aug 1993 |
| 134 | MORRIS | Toole County, MT | Gas Property | Mar 2026 |
| 135 | MORRIS | Teton County, MT | Oil Property | May 2026 |
| 136 | MORSE | Hill County, MT | Gas Property | May 2026 |
| 137 | MORSE | Hill County, MT | Gas Property | May 2026 |
| 138 | MORTON | Toole County, MT | Oil & Gas Property | May 2026 |
| 139 | MOSQUITO | Richland County, MT | Oil & Gas Property | May 2026 |
| 140 | MOSSER | Yellowstone County, MT | Oil Property | May 2026 |
| 141 | MOTT 1-16H | Richland County, MT | Oil & Gas Property | May 2026 |
| 142 | MOULTON | Toole County, MT | Oil & Gas Property | May 2026 |
| 143 | MPC/UNOCAL | Toole County, MT | Gas Property | Nov 2024 |
| 144 | MRFU | Phillips County, MT | Gas Property | Apr 2019 |
| 145 | MT INDUSTRIAL (1 | Carbon County, MT | Gas Property | May 2024 |
| 146 | MT ROYALTY | Big Horn County, MT | Gas Property | Jun 2019 |
| 147 | MUD LAKE | Hill County, MT | Gas Property | Oct 2012 |
| 148 | MUELLER | Blaine County, MT | Gas Property | May 2026 |
| 149 | MUELLER | Blaine County, MT | Gas Property | May 2026 |
| 150 | MULDER 22-15 | Roosevelt County, MT | Oil & Gas Property | May 2026 |
| 151 | MULHOLLAND FEDERAL 1-32H | Richland County, MT | Oil & Gas Property | May 2026 |
| 152 | MULLIN | Richland County, MT | Oil & Gas Property | May 2026 |
| 153 | MULLIN 21-24 | Richland County, MT | Oil & Gas Property | May 2026 |
| 154 | MUNSON | Teton County, MT | Oil Property | Sep 2025 |
| 155 | MUNTZING | Glacier County, MT | Oil & Gas Property | May 2026 |
| 156 | MURDOCK | Phillips County, MT | Gas Property | May 2026 |
| 157 | MURPHY | Bowman County, ND | Oil & Gas Property | Jan 2009 |
| 158 | MURRILLS | Toole County, MT | Gas Property | Apr 2026 |
| 159 | MWCBSU | Glacier County, MT | Oil Property | Dec 1994 |
| 160 | MYERS | Musselshell County, MT | Oil Property | Dec 2018 |
| 161 | MYSTERY CREEK | Fallon County, MT | Oil & Gas Property | Mar 2026 |