| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 301 | Worstell Oil & Gas Company | Collinsville, OK 74021 | Oil Operator | Nov 2005 |
| 302 | Wyatt'S Oil Corporation | Oil & Gas Operator | Apr 2026 | |
| 303 | Xanadu Exploration Company | Broken Arrow, OK 74014 | Oil & Gas Operator | May 2026 |
| 304 | Yager Company | Hutchinson, KS 67502 | Oil & Gas Operator | Dec 2000 |
| 305 | Yarhola Production Company | Drumright, OK 74030 | Oil & Gas Operator | Apr 2026 |
| 306 | Yegen E C | Casper, WY 82604 | Oil & Gas Operator | Mar 2015 |
| 307 | Zap Oil Company | Nowata, OK 74048-2640 | Oil & Gas Operator | Nov 2005 |