| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 101 | Mueller Fred W | Oil & Gas Operator | Dec 1995 | |
| 102 | Mull Drilling Company | Wichita, KS 67206 | Oil & Gas Operator | Mar 2025 |
| 103 | Mundell F E | Watertown, SD 57201 | Oil & Gas Operator | Aug 1994 |
| 104 | Murex Petroleum Corporation | Humble, TX 77347 | Oil & Gas Operator | Mar 2025 |
| 105 | Murphy D V | Oil Operator | Dec 1989 | |
| 106 | Murphy Oil USA Inc | New Orleans, LA 70161 | Oil & Gas Operator | Jan 1993 |
| 107 | Murphy Sheldon L & Loretta | Newcastle, WY 82701 | Oil & Gas Operator | Apr 2025 |
| 108 | Mustang Oil & Gas Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2021 |
| 109 | Mustang Resources LLC | Houston, TX 77256 | Oil & Gas Operator | Mar 2025 |
| 110 | MWJ Producing Company | Midland, TX 79701 | Oil & Gas Operator | Jul 1998 |
| 111 | Mystique Developments | Denver, CO 80202 | Oil & Gas Operator | Dec 1997 |