Oil & Gas Companies in Harvey County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 101 | Thunderbird Dril | | Oil & Gas Operator | Nov 1995 |
| 102 | Thunderbird Oil | | Oil Operator | Oct 1991 |
| 103 | Tinsmon, J. Corry | Wichita, KS 67226 | Oil Operator | Dec 2009 |
| 104 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Feb 2026 |
| 105 | Transamerica Oil | | Oil & Gas Operator | Sep 1992 |
| 106 | Transamerica Oil Corporation | Hutchinson, KS 67504 | Gas Operator | Mar 2025 |
| 107 | Trek Aec, LLC | Wichita, KS 67202 | Oil & Gas Operator | Dec 2025 |
| 108 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2024 |
| 109 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Apr 2026 |
| 110 | Val Energy, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2025 |
| 111 | Veenker Resources Inc | Oklahoma City, OK 73113 | Oil & Gas Operator | Feb 2026 |
| 112 | Vincent Oil Corp | Wichita, KS 67202 | Oil & Gas Operator | Dec 2025 |
| 113 | Vintage Petroleu | | Oil & Gas Operator | Dec 1995 |
| 114 | W. D. Short Oil Co. | | Oil Operator | Apr 2004 |
| 115 | W.D. Short Oil Co., LLC | Oxford, KS 67119 | Oil & Gas Operator | Dec 2025 |
| 116 | W.R.A. Oil Co. | | Oil & Gas Operator | Mar 2025 |
| 117 | Wheatbelt Invest | | Oil Operator | Mar 1991 |
Production numbers shown above are only for Harvey County, KS and for the production period listed.