Oil & Gas Companies in Ellis County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | H & B Petroleum Corp. | Hutchinson, KS 67504 | Oil & Gas Operator | Jun 2025 |
| 2 | H & C Oil Operat | | Oil & Gas Operator | Dec 1996 |
| 3 | H & C Oil Operating Inc. | Plainville, KS 67663 | Oil & Gas Operator | Jun 2025 |
| 4 | H & W Oil Company, Incorporated | Palm Desert, CA 92255 | Oil Operator | Nov 2017 |
| 5 | H & W Oil Corpor | | Oil Operator | Dec 1996 |
| 6 | H3 Oil & Gas | | Oil & Gas Operator | Jun 2025 |
| 7 | Habit Petroleum, LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 8 | Haddock, Jack L. | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 9 | Hallwood Petrole | | Oil & Gas Operator | Apr 1999 |
| 10 | Hallwood Petroleum, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 11 | Hansen, Dane G. - Trust | Logan, KS 67646 | Oil Operator | Oct 2013 |
| 12 | Hellar Drilling | | Oil & Gas Operator | Jan 1994 |
| 13 | Helmerich & Payn | | Oil & Gas Operator | Aug 1995 |
| 14 | Heritage Oil L.L.C. | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 15 | Herman L. Loeb, LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Jun 2025 |
| 16 | Hertel Oil Company | | Oil Operator | Nov 2018 |
| 17 | Hertel Oil Company LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 18 | Hess Oil Company | McPherson, KS 67460 | Oil & Gas Operator | Jun 2025 |
| 19 | HG Oil Holdings, LLC | Hoisington, KS 67544 | Oil & Gas Operator | Jun 2025 |
| 20 | Hi-Kat Petroleum Company | Liberal, KS 67905-1261 | Oil & Gas Operator | May 2014 |
| 21 | High Plains Oil | | Oil Operator | Jun 1989 |
| 22 | Hillenburg Oil C | | Oil Operator | Apr 1994 |
| 23 | Hinkle Oil Compa | | Oil & Gas Operator | Nov 1994 |
| 24 | Hinkle Oil Company | Wichita, KS 67202 | Oil & Gas Operator | Jan 1999 |
| 25 | Hoffman Petroleu | | Oil Operator | Sep 1989 |
| 26 | Hoffman Petroleum, Inc. | Littleton, CO 80120 | Oil Operator | Sep 1996 |
| 27 | Hoffman Resources LLC | Hoisington, KS 67544 | Oil & Gas Operator | Jun 2025 |
| 28 | Hoffman, Myrle F. | Denver, CO 80202 | Oil Operator | Dec 1986 |
| 29 | Holt IVan | | Oil Operator | Mar 1989 |
| 30 | Holt IVan Leroy | | Oil & Gas Operator | Jan 1994 |
| 31 | Hub Oil Company | | Oil Operator | Jan 1990 |
| 32 | Hugoton Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2019 |
| 33 | Hummon Corp. | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2023 |
| 34 | Hupfer Operating, Inc. | Shawnee, KS 66203 | Oil & Gas Operator | Dec 2019 |
Production numbers shown above are only for Ellis County, KS and for the production period listed.