Oil & Gas Companies in Cass County, MO
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Altavista Energy, Inc. | Wellsville, KS 66092 | Oil Operator | Jan 2026 |
| 2 | Bauer Oil Investment LLC | Cleveland, MO 64734 | Oil Operator | Jan 2026 |
| 3 | Brant Energy LLC | Rantoul, KS 66079 | Oil Operator | Apr 2022 |
| 4 | Colt Energy Inc | Iola, KS 66749 | Oil & Gas Operator | Jan 2026 |
| 5 | Continental Exploration, Inc. | | Oil Operator | Dec 2001 |
| 6 | D. E. Exploration, Inc. | Wellsville, KS 66092 | Oil & Gas Operator | Jan 2026 |
| 7 | Emery Energy, Inc. | | Oil Operator | Dec 1984 |
| 8 | Fell-Brecklein-Town Oil Co. | | Oil Operator | Dec 1975 |
| 9 | General Energy, Inc. | | Oil Operator | Dec 1983 |
| 10 | Jennings Drilling Co. | | Oil & Gas Operator | Dec 1997 |
| 11 | Kansas Resource Exploration And Development | | Oil Operator | Apr 2022 |
| 12 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Mar 2026 |
| 13 | Oil And Gas Management, Inc. | Kansas City, MO 64106 | Oil Operator | Apr 2011 |
| 14 | Osborn Energy, LLC | Bucyrus, KS 66013 | Oil & Gas Operator | Jul 2017 |
| 15 | Pense Brothers Drilling | | Oil Operator | Dec 1998 |
| 16 | Prairie Resources Corp. | | Oil Operator | Dec 1989 |
| 17 | S & B Operating, LLC | Iowa Park, TX 76367 | Oil Operator | Jun 2026 |
| 18 | SCZ Resources, LLC | Houston, TX 77055 | Oil Operator | Jan 2026 |
| 19 | T-5 Leasing, LLC | | Oil Operator | Dec 2013 |
| 20 | Town Oil Co. | Paola, KS 66071 | Oil & Gas Operator | Jan 2026 |
| 21 | W.P. Moore, Inc. | | Oil Operator | Dec 1983 |
| 22 | Western Engineering, Inc. | | Oil Operator | Dec 1998 |
Production numbers shown above are only for Cass County, MO and for the production period listed.