| 801 | Wise James W | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 1996 |
| 802 | WLW Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Jul 2026 |
| 803 | Worstell Michael H | Collinsville, OK 74021-5918 | Oil Operator | Mar 2015 |
| 804 | Worstell Oil & Gas Company | Collinsville, OK 74021 | Oil Operator | Nov 2005 |
| 805 | Worstell Oil Co LLC | Collinsville, OK 74021-5918 | Oil Operator | Jun 2026 |
| 806 | WP Oil LLC | Owasso, OK 74055 | Oil Operator | Jun 2026 |
| 807 | Wyant & O'Keefe | Santa Fe, NM 87501 | Oil & Gas Operator | May 2006 |
| 808 | Wyatt Rick | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2006 |
| 809 | Wyatt'S Oil Corporation | | Oil & Gas Operator | Jun 2026 |
| 810 | Xanadu Exploration Company | Broken Arrow, OK 74014 | Oil & Gas Operator | Jul 2026 |
| 811 | Xutapa Properties LLC | | Oil & Gas Operator | May 2026 |
| 812 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Jul 2026 |
| 813 | Yates, Earl R | | Oil Operator | Mar 2015 |
| 814 | Young, Marshall R., Oil Co. | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2011 |
| 815 | Younger Enterprises Inc | Ada, OK 74821-1882 | Oil Operator | Jan 2003 |
| 816 | Zca Gas Gathering Co., Inc. | Bartlesville, OK 74003 | Oil & Gas Operator | Apr 2020 |
| 817 | Zenergy, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2026 |
| 818 | Zinke & Trumbo LTD | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2017 |
| 819 | Zuhone William H | Mattoon, IL 61938-4019 | Oil & Gas Operator | Jan 2015 |