Oil & Gas Companies in Harper County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | General Oil Comp | | Oil & Gas Operator | Nov 1993 |
| 2 | Getty Oil Compan | | Oil & Gas Operator | Jun 1992 |
| 3 | Glacier Petroleu | | Oil & Gas Operator | Nov 1995 |
| 4 | GLB Exploration, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2025 |
| 5 | Gra Ex, LLC | Kingman, KS 67068 | Oil & Gas Operator | Oct 2023 |
| 6 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 7 | Graves Drilling | | Oil & Gas Operator | Sep 1995 |
| 8 | Graves Drilling Co., Inc. | Wichita, KS 67208 | Oil & Gas Operator | Jun 2025 |
| 9 | Green Oper Compa | | Gas Operator | Jan 1970 |
| 10 | Green Operating Company, Inc. | Tulsa, OK 74135 | Oil & Gas Operator | Jun 2025 |
| 11 | Griffin, Charles N. | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |
Production numbers shown above are only for Harper County, KS and for the production period listed.