Oil & Gas Companies in Barton County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | K & D Oil Compan | | Oil Operator | Apr 1994 |
| 2 | K & E Drilling I | | Oil & Gas Operator | Sep 1995 |
| 3 | K & E Petroleum | | Oil & Gas Operator | Jan 1995 |
| 4 | K & K Oil | Chase, KS 67524 | Oil & Gas Operator | Oct 2019 |
| 5 | K & N Petroleum, Inc. | Great Bend, KS 67530 | Oil Operator | Dec 2025 |
| 6 | K R M Petroleum | | Oil & Gas Operator | Jan 1990 |
| 7 | K-Bar Oil LLC | McPherson, KS 67460 | Oil Operator | Dec 2025 |
| 8 | K.C. Operations | | Oil Operator | Nov 2025 |
| 9 | K.J.S. Oil | | Oil & Gas Operator | Dec 2025 |
| 10 | Kahan & Assoc In | | Oil Operator | Dec 1996 |
| 11 | Kahan & Associates Inc | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2026 |
| 12 | Kaiser-Francis O | | Oil & Gas Operator | Oct 1995 |
| 13 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2026 |
| 14 | Kal Oil Operations | | Oil Operator | Oct 2025 |
| 15 | Kandletop Operating, LLC | Oklahoma City, OK 73106 | Oil & Gas Operator | Feb 2026 |
| 16 | Kansas Crude Investments LLC | Hays, KS 67601 | Oil Operator | Dec 2025 |
| 17 | Kelso Casing Pul | | Oil Operator | Mar 1995 |
| 18 | Kennedy & Mitche | | Oil & Gas Operator | May 1990 |
| 19 | Kera-Oil | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 20 | KG Oil Co | | Oil Operator | Dec 2025 |
| 21 | Kimbark Oil & Ga | | Oil & Gas Operator | Aug 1992 |
| 22 | Kirkpatrick Properties LLC | Ellinwood, KS 67526 | Oil Operator | Dec 2025 |
| 23 | Kiwanda Resc Inc | | Oil & Gas Operator | Aug 1993 |
| 24 | Kizzar Well Servicing, Inc. | Chase, KS 67524 | Oil Operator | Dec 2025 |
| 25 | Klima Oil, Inc. | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 26 | Klima Well Servi | | Oil Operator | Dec 1996 |
| 27 | Klima Well Service, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Nov 2025 |
| 28 | Knighton Oil Com | | Oil & Gas Operator | Nov 1996 |
| 29 | Kodiak Petroleum Inc | Englewood, CO 80155 | Oil & Gas Operator | Dec 2025 |
| 30 | Koehn Eldon R | | Oil Operator | Dec 2009 |
| 31 | Koron Investments, Inc. | Hays, KS 67601 | Oil Operator | Dec 2025 |
| 32 | Kraft, Jim - Oil Operations | Holyrood, KS 67450 | Oil Operator | Jan 1999 |
| 33 | Kratzer Oil LLC | | Oil Operator | Dec 2025 |
| 34 | Krier Kirby Oil | | Oil Operator | Dec 1996 |
| 35 | Krier Oil Oper - | | Oil Operator | Sep 1995 |
| 36 | Krier Oil Operation | | Oil Operator | Nov 2025 |
| 37 | Krier, Kirby Oil, Inc. | Claflin, KS 67525 | Oil Operator | Dec 2025 |
| 38 | Kruckenberg & SC | | Oil & Gas Operator | Sep 1993 |
| 39 | Kruckenberg & Scott | Isabel, KS 67065 | Oil Operator | Dec 2011 |
| 40 | Krug, Donald H | Russell, KS 67665 | Oil Operator | Dec 2025 |
| 41 | Kytex, Inc. | Wichita, KS 67230 | Oil Operator | Dec 2019 |
Production numbers shown above are only for Barton County, KS and for the production period listed.