Oil & Gas Companies in Allen County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | B & S Oil | | Oil Operator | Jun 2008 |
| 2 | Ballard Lance E | | Oil Operator | Dec 1993 |
| 3 | Ballou Oil Well | | Oil Operator | Mar 1995 |
| 4 | Banner Oil | | Oil Operator | Nov 2019 |
| 5 | Bauer Oil Investment, LLC | Cleveland, MO 64734 | Oil Operator | Jun 2025 |
| 6 | Bayonet Petroleum LLC | Moran, KS 66755 | Oil Operator | Jun 2025 |
| 7 | Birk Petroleum | | Oil Operator | Jun 2025 |
| 8 | Black Diamond Oi | | Oil Operator | Dec 1996 |
| 9 | Blubaugh Charles | | Oil Operator | Feb 1995 |
| 10 | Blue Top Crude Oil Co., Inc. | Farlington, KS 66734 | Oil Operator | Jun 2025 |
| 11 | Blue Top Energy LLC | Westport, CT 06880 | Oil Operator | Dec 2019 |
| 12 | Bollinger Oil Co | Tulsa, OK 74105 | Oil Operator | Aug 2018 |
| 13 | Bollinger, Jerald | Chanute, KS 66720 | Oil Operator | Dec 2024 |
| 14 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 15 | Brandt Prod Comp | | Oil & Gas Operator | Sep 1994 |
| 16 | Brixey Enterprises | Stilwell, KS 66085 | Oil Operator | Sep 1996 |
| 17 | Brown, Nicholas L. | Iola, KS 66749 | Oil Operator | Apr 2010 |
| 18 | Buckeye Corporat | | Oil Operator | Dec 1996 |
| 19 | Buddie Sallee | Humboldt, KS 66748 | Oil Operator | Dec 2002 |
| 20 | Burris Ronald/Si | | Oil Operator | Jun 1992 |
| 21 | Burris, J. R. | Manhattan, KS 66502 | Oil Operator | Dec 2019 |
| 22 | Burton Oil Produ | | Oil Operator | Jan 1985 |
Production numbers shown above are only for Allen County, KS and for the production period listed.