Oil & Gas Companies in Franklin County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | B & L | | Oil Operator | Apr 2016 |
| 2 | B & N Oil, LLC | | Oil Operator | Jun 2025 |
| 3 | Ballou Oil Well | | Oil Operator | Mar 1995 |
| 4 | Ballou Oil Well Service | | Oil Operator | Jun 2025 |
| 5 | Barnett Oil | | Oil Operator | Oct 2009 |
| 6 | BG-5, Inc. | Rantoul, KS 66079 | Oil Operator | Jun 2025 |
| 7 | Black-Travis, Inc. | Paola, KS 66071 | Oil Operator | Jun 2025 |
| 8 | Blackhawk Oil Co | Ottawa, KS 66067 | Oil & Gas Operator | Jan 2011 |
| 9 | Bloomer Well Ser | | Oil Operator | Mar 1995 |
| 10 | Bloomer Well Service | | Oil Operator | Dec 2009 |
| 11 | Bloomer, Don C. And Bessie L. Liv. Trust | Rantoul, KS 66079 | Oil Operator | Dec 2024 |
| 12 | Bobcat Oilfield Service, Inc. | Louisburg, KS 66053 | Oil Operator | Jun 2025 |
| 13 | Brant Energy, LLC | Rantoul, KS 66079 | Oil Operator | Apr 2022 |
| 14 | Burns WM J | | Oil Operator | Jun 1994 |
| 15 | Butler Petroleum LLC | Van Alstyne, TX 75495 | Oil Operator | May 2020 |
| 16 | BWC Energy LLC | Edgerton, KS 66021 | Oil Operator | Jun 2025 |
Production numbers shown above are only for Franklin County, KS and for the production period listed.