| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 201 | Union Gas Corp. (Union Gas Co.) | Charleston, WV 25338-0000 | Oil & Gas Operator | Aug 2021 |
| 202 | United Operating Co. | Olney, TX 76374 | Oil & Gas Operator | Aug 2003 |
| 203 | United Petro LTD. | Oil & Gas Operator | Dec 2018 | |
| 204 | Waco Oil & Gas Co., Inc. | Glenville, WV 26351-0397 | Oil & Gas Operator | Dec 2021 |
| 205 | West Side Exploration, LLC | Oil & Gas Operator | Jan 2025 | |
| 206 | WV BD. Directors-State College System | Charleston, WV 25301-0000 | Gas Operator | Dec 2017 |
| 207 | Zickefoose, R. L. And W.F. | Burgettstown, PA 15021 | Oil & Gas Operator | Dec 2021 |