Oil & Gas Companies in Trego County, KS
|  | Company Name | Company Location | Company Type | Most Recent Production | 
|---|
| 1 | H & C Oil Operat |  | Oil & Gas Operator | Dec 1996 | 
| 2 | H & C Oil Operating Inc. | Plainville, KS 67663 | Oil & Gas Operator | Jun 2025 | 
| 3 | H & M Petroleum Corporation | Lincoln, NE 68516 | Oil & Gas Operator | Jun 2025 | 
| 4 | H-30 Incorporate |  | Oil & Gas Operator | Nov 1990 | 
| 5 | H3 Oil & Gas |  | Oil & Gas Operator | Jun 2025 | 
| 6 | Hansen Dane G TR |  | Oil Operator | Feb 1995 | 
| 7 | Helmerich & Payn |  | Oil & Gas Operator | Aug 1995 | 
| 8 | Heritage Oil L.L.C. | Hays, KS 67601 | Oil Operator | Jun 2025 | 
| 9 | Herman L. Loeb, LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Jun 2025 | 
| 10 | Hess Oil Company | McPherson, KS 67460 | Oil & Gas Operator | Jun 2025 | 
| 11 | HG Oil Holdings, LLC | Hoisington, KS 67544 | Oil & Gas Operator | Jun 2025 | 
| 12 | High Plains Oil |  | Oil Operator | Jun 1989 | 
| 13 | Hoffman Petroleu |  | Oil Operator | Sep 1989 | 
| 14 | Hyde-Marrs, Inc. | Wichita, KS 67202 | Oil Operator | Aug 1997 | 
Production numbers shown above are only for Trego County, KS and for the production period listed.