Oil & Gas Companies in Harper County, OK
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | K S Oil Company Inc | Norman, OK 73072-7480 | Oil & Gas Operator | Jun 2025 |
| 2 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2025 |
| 3 | KC Resources Inc | Snowmass VLG., CO 81615 | Oil & Gas Operator | Jun 2025 |
| 4 | KCS Medallion Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2018 |
| 5 | KCS Resources LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2017 |
| 6 | Keener Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2018 |
| 7 | Kennedy & Mitchell, Inc. | Houston, TX 77084 | Oil & Gas Operator | Aug 2013 |
| 8 | Kenneth W. Cory, LTD. | Bellaire, TX 77401 | Oil & Gas Operator | Jun 2025 |
| 9 | Kenworthy Operating Company | Tulsa, OK 74132 | Oil & Gas Operator | May 2009 |
| 10 | Kepco Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2025 |
| 11 | Kepco. Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 12 | Kerr McGee Rocky MTN Corp | Denver, CO 80202-5736 | Oil & Gas Operator | Mar 2015 |
| 13 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | May 2025 |
| 14 | Kerr-McGee Oil & Gas Onshore LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2017 |
| 15 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |
| 16 | Kimball Production Co. | Houston, TX 77042 | Oil & Gas Operator | Jul 2002 |
| 17 | Kirkpatrick Oil Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Oct 2025 |
| 18 | Koch Oil Company | | Oil & Gas Operator | May 2017 |
| 19 | Kodiak Oil & Gas Inc | Muenster, TX 76252 | Oil & Gas Operator | Oct 2025 |
| 20 | KT Energy Inc | Enid, OK 73702-2365 | Oil & Gas Operator | Jun 2025 |
| 21 | KWB Oil Property Management Inc | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2025 |
Production numbers shown above are only for Harper County, OK and for the production period listed.