| 701 | Wilcox Pipe & Supply Co | Oklahoma City, OK 73189 | Oil & Gas Operator | May 2006 |
| 702 | Wildhorse Operating Company | Ardmore, OK 73402 | Oil & Gas Operator | Jul 2026 |
| 703 | Williams Brothers Engineering Company | Tulsa, OK 74134-5885 | Oil & Gas Operator | May 2013 |
| 704 | Williams Dale And Dorothy Family Trust | Maud, OK 74854-2011 | Oil & Gas Operator | Apr 2026 |
| 705 | Williams Doyle Dba BCF Gas | Tulsa, OK 74114-7099 | Oil & Gas Operator | Jul 2023 |
| 706 | Williford Energy Company | Tulsa, OK 74135 | Oil & Gas Operator | Jul 2026 |
| 707 | Wimberley James A | Dallas, TX 75229-6180 | Oil & Gas Operator | Nov 2014 |
| 708 | Wise James W | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 1996 |
| 709 | WN Operating Inc | Okmulgee, OK 74447 | Oil & Gas Operator | Apr 2026 |
| 710 | Wolf Energy, Limited Liability Company | Tulsa, OK 74145 | Oil Operator | Apr 2026 |
| 711 | WPX Energy Mid-Continent Co | Oklahoma City, OK 73102-5010 | Oil & Gas Operator | Apr 2016 |
| 712 | Yarhola Production Company | Drumright, OK 74030 | Oil & Gas Operator | Apr 2026 |
| 713 | Z G Operating LLC | Oklahoma City, OK 73134-5038 | Oil & Gas Operator | Nov 2009 |