Oil & Gas Companies in Marshall County, OK
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | B & W Operating, L.L.C. | Nichols Hill, OK 73116 | Oil & Gas Operator | Jul 2025 |
| 2 | B-J Enterprises Inc | McAlester, OK 74501-7335 | Oil & Gas Operator | Apr 2014 |
| 3 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Oct 2025 |
| 4 | Bce-Mach LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Aug 2025 |
| 5 | Belcor Inc. | Irvine, CA 92714 | Oil & Gas Operator | Nov 2000 |
| 6 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Oct 2025 |
| 7 | Blackwell Exploration & Development LLC | Dallas, TX 75252-5637 | Oil & Gas Operator | Jan 2024 |
| 8 | Bravo Arkoma LLC | Tulsa, OK 74103-3100 | Oil & Gas Operator | Apr 2025 |
| 9 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 10 | Bullard Don W | Ardmore, OK 73401-3646 | Oil & Gas Operator | Dec 2019 |
Production numbers shown above are only for Marshall County, OK and for the production period listed.