Oil & Gas Companies in Rooks 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 & H Oil Company, A General Partnership | Plainville, KS 67663 | Oil Operator | Feb 1997 |
| 5 | H & M Petroleum Corporation | Lincoln, NE 68516 | Oil & Gas Operator | Jun 2025 |
| 6 | H-5 Service | Plainville, KS 67663 | Oil Operator | May 1989 |
| 7 | Haas Petroleum, LLC | Prairie VIllage, KS 66208 | Oil Operator | Jun 2025 |
| 8 | Habit Petroleum | | Oil Operator | Dec 2009 |
| 9 | Habit Petroleum, LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 10 | Hamlin Oil Opera | | Oil Operator | May 1988 |
| 11 | Hammerschmidt Wi | | Oil Operator | Sep 1991 |
| 12 | Hammerschmidt, Leo | Plainville, KS 67663 | Oil Operator | Aug 2000 |
| 13 | Hammerschmidt, William E | Plainville, KS 67663 | Oil Operator | Jun 2025 |
| 14 | Hansen Dane G TR | | Oil Operator | Feb 1995 |
| 15 | Hansen, Dane G. - Trust | Logan, KS 67646 | Oil Operator | Oct 2013 |
| 16 | Hellar Drilling | | Oil & Gas Operator | Jan 1994 |
| 17 | Helmerich & Payne, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Jun 2025 |
| 18 | Herman L. Loeb, LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Jun 2025 |
| 19 | Hertel Oil Company LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 20 | Hess Oil Company | McPherson, KS 67460 | Oil & Gas Operator | Jun 2025 |
| 21 | HG Oil Holdings, LLC | Hoisington, KS 67544 | Oil & Gas Operator | Jun 2025 |
| 22 | High Plains Oil | | Oil Operator | Jun 1989 |
| 23 | Hillenburg Oil Co., A General Partnership | Broken Arrow, OK 74011 | Oil Operator | Jun 2025 |
| 24 | Hoffman Resources LLC | Hoisington, KS 67544 | Oil & Gas Operator | Jun 2025 |
| 25 | Holt IVan Leroy | | Oil & Gas Operator | Jan 1994 |
| 26 | Horizontal Development & Production Inc | Lubbock, TX 79493 | Oil & Gas Operator | Jul 2002 |
| 27 | Hupfer Oil & Gas | Hays, KS 67601 | Oil & Gas Operator | Dec 1993 |
Production numbers shown above are only for Rooks County, KS and for the production period listed.