| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 601 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 602 | Wineland Oil - LLC | Hays, KS 67601 | Oil Operator | Jan 2025 |
| 603 | Woodbine Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | May 2025 |
| 604 | Wynn-Crosby Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2005 |
| 605 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 606 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | May 2025 |
| 607 | Yates Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 608 | Zarvona Energy LLC | Houston, TX 77002 | Oil & Gas Operator | May 2025 |