| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Adelaide Energy, Inc. | Oil Operator | May 2022 | |
| 2 | Camio Oil Company | Oil Operator | Dec 2004 | |
| 3 | Carter-Waters Corp. | Oil Operator | Dec 1988 | |
| 4 | Delphi International, Inc. | Tulsa, OK 74104 | Oil Operator | Jul 2025 |
| 5 | H & R Well Services, Inc. | FT Morgan, CO 80701 | Oil & Gas Operator | Apr 2015 |
| 6 | James K. Anderson, Inc. | Oil Operator | Dec 1999 | |
| 7 | Running Foxes Petroleum Inc. | Centennial, CO 80112 | Oil & Gas Operator | Jun 2025 |
| 8 | Stone Petroleum Corporation | Oil & Gas Operator | Dec 1996 |