Oil & Gas Companies in Hardeman County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Madison Oil Co.-Halbouty, M. T. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1998 |
| 2 | Madison Oil Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1998 |
| 3 | Magnum Hunter Production, Inc. | Irving, TX 75014 | Oil & Gas Operator | Dec 2019 |
| 4 | Magnum Production & Well Service | Iowa Park, TX 76367 | Oil & Gas Operator | Oct 2025 |
| 5 | Marbil Oil, Inc. | Olney, TX 76374 | Oil & Gas Operator | Jun 2013 |
| 6 | Mariah Energy Corp. | Austin, TX 78716 | Oil & Gas Operator | Apr 1999 |
| 7 | Masada Oil & Gas | Quanah, TX 79252 | Oil & Gas Operator | Oct 2025 |
| 8 | Maynard Oil Co. | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
| 9 | McBee Company, The | Dallas, TX 75219 | Oil & Gas Operator | Dec 1997 |
| 10 | McCown Engineering | Wichita Falls, TX 76310 | Oil & Gas Operator | Oct 2025 |
| 11 | McCracken, H. L. Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 12 | Medders Oil Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 13 | Menasco, J. | Wichita Falls, TX 76310 | Oil & Gas Operator | Dec 2019 |
| 14 | MHM Pipeline Co., Inc. | Dallas, TX 75252 | Oil & Gas Operator | Oct 2025 |
| 15 | Miller, Bob I. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 16 | Mineral Development, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Aug 1996 |
| 17 | Mito Resources TX LLC | Edmond, OK 73013 | Oil & Gas Operator | Oct 2025 |
| 18 | Modern Exploration, Inc. | Sherman, TX 75090 | Oil & Gas Operator | Oct 2025 |
| 19 | Mountain Creek Oil Company, Inc. | Saint Jo, TX 76265 | Oil & Gas Operator | Oct 2025 |
| 20 | Mueller Exploration, Inc. | Portland, TX 78374 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Hardeman County, TX and for the production period listed.