| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | National Coopera | Oil & Gas Operator | Mar 1992 | |
| 2 | National Cooperative Refinery Assoc. | Great Bend, KS 67530 | Oil & Gas Operator | Feb 2023 |
| 3 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 4 | Northstar Investments, Inc. | Wichita, KS 67230 | Oil & Gas Operator | Dec 2023 |
| 5 | Novy Oil & Gas, Inc. | Goddard, KS 67052 | Oil & Gas Operator | Feb 2024 |