Oil & Gas Companies in Pratt County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | H & W Oil Corpor | | Oil Operator | Dec 1996 |
| 2 | H3 Oil & Gas | | Oil & Gas Operator | Jun 2025 |
| 3 | Hacker, Jack | Coats, KS 67028 | Oil & Gas Operator | Jun 2025 |
| 4 | Halliburton Oil | | Oil & Gas Operator | Sep 2008 |
| 5 | Hellar Drilling | | Oil & Gas Operator | Jan 1994 |
| 6 | Hellar Drilling Company, Inc. | Wichita, KS 67208 | Oil & Gas Operator | Jan 2009 |
| 7 | Herman L. Loeb, LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Jun 2025 |
| 8 | Hess Oil Company | McPherson, KS 67460 | Oil & Gas Operator | Jun 2025 |
| 9 | Hilliker Oil Com | | Oil Operator | Jul 1984 |
| 10 | Hilliker Production | Indian Wells, CA 92210 | Oil & Gas Operator | Jul 2007 |
| 11 | Hinkle Oil Compa | | Oil & Gas Operator | Nov 1994 |
| 12 | Hirt Farms Incor | | Oil & Gas Operator | Apr 1994 |
| 13 | Hoener Ross Inco | | Oil Operator | Dec 1991 |
| 14 | Hoener, Ross | Iuka, KS 67066 | Oil & Gas Operator | May 2025 |
| 15 | Houston Hydrolan | | Oil Operator | Jul 1984 |
| 16 | Huitt Joe A | Tulsa, OK 74103 | Oil & Gas Operator | May 2001 |
| 17 | Hummon Corp. | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2023 |
| 18 | Hupfer Operating, Inc. | Shawnee, KS 66203 | Oil & Gas Operator | Dec 2019 |
Production numbers shown above are only for Pratt County, KS and for the production period listed.