| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Amata Oils Inc | Oil Operator | Dec 2015 | |
| 2 | Branch Production | Oil Operator | Dec 2017 | |
| 3 | Buckeye West LLC | Wooster, OH 44691 | Oil Operator | Feb 2026 |
| 4 | C & G Drilling, Inc | Eureka, KS 67045 | Oil Operator | Feb 2026 |
| 5 | Duerfeldt | Oil Operator | Dec 2025 | |
| 6 | Four W Oil Co., LLC | Oil Operator | Dec 2025 | |
| 7 | Gore Oil Company | Wichita, KS 67202 | Oil & Gas Operator | Feb 2026 |
| 8 | Great Plains Energy, Inc. | Lincoln, NE 68516 | Oil & Gas Operator | Feb 2026 |
| 9 | International Petroleum Service, LLC | Oil Operator | Dec 2017 | |
| 10 | Ivansons Oil Production | Oil Operator | Dec 2025 | |
| 11 | Kinderhook Dawson Prod | Oil Operator | Dec 2013 | |
| 12 | Richardson County Crude Inc. | Oil Operator | Dec 2025 | |
| 13 | Rock Bottom Oil LLC | Oil Operator | Dec 2025 | |
| 14 | Roxanna Nebraska, LLC | Oil Operator | Dec 2023 |