| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | M & R Investments Ohio LLC | Birmingham, AL 35238 | Oil & Gas Operator | Dec 2019 |
| 2 | M S Exploration Inc | Lexington, OH 44904-9510 | Oil & Gas Operator | Dec 1999 |
| 3 | Maram Energy Inc | MT Vernon, OH 43050 | Oil & Gas Operator | Dec 2024 |
| 4 | Mason Drilling Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2022 |
| 5 | Michigan Geosearch Inc | Lansing, MI 48917 | Oil & Gas Operator | May 2025 |
| 6 | Midcoast Resources Co | Tulsa, OK 74136 | Oil & Gas Operator | Dec 1992 |