| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 401 | WRC Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Feb 2024 |
| 402 | Wyoil Corp | Buffalo, WY 82834 | Oil Operator | Dec 2023 |
| 403 | Wyoming Mineral Exploration LLC | Casper, WY 82602 | Oil Operator | Dec 2006 |
| 404 | Wyoming Oil & Minerals Inc | Casper, WY 82601 | Oil & Gas Operator | Jun 2001 |
| 405 | Xoil Inc | Aurora, CO 80016 | Oil & Gas Operator | Jul 2023 |
| 406 | XPR Wyoming LLC | Oil & Gas Operator | Feb 2024 | |
| 407 | Young Marshall R Oil Co | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2011 |