| 701 | Richey Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Feb 2026 |
| 702 | Richey, Ray Management Co., Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Feb 2026 |
| 703 | Rico Oil Company | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 704 | Rife Energy Operating, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2026 |
| 705 | Riggs Petroleum Company | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 706 | Rimfire Resources, LLC | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 707 | Rio Bravo Production, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 708 | Rio Grande Drilling Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 1999 |
| 709 | RKW Operating LLC | Weatherford, TX 76085 | Gas Operator | Feb 2026 |
| 710 | RMR Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2005 |
| 711 | Roberts & Hammack, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Feb 2026 |
| 712 | Robertson, Gene Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 1998 |
| 713 | Robinson Oil & Gas, Inc. | Chico, TX 76431 | Oil & Gas Operator | Aug 2003 |
| 714 | Robuck Petroleum, LLC | Nacogdoches, TX 75965 | Oil & Gas Operator | Feb 2026 |
| 715 | Rock Operating | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 716 | Rocking, R, Drilling & Prod Co. | Bowie, TX 76230 | Oil & Gas Operator | Feb 2026 |
| 717 | Rockoil Energy Of Texas, Inc. | Weatherford, TX 76086 | Oil & Gas Operator | Feb 2026 |
| 718 | Rogers Drilling Co. | Olney, TX 76374 | Oil & Gas Operator | Feb 2026 |
| 719 | Rogers Oilfield Op, Corp. | Granbury, TX 76048 | Oil & Gas Operator | Jul 2019 |
| 720 | Roil Mineral & Land Co. | Dallas, TX 75379 | Oil & Gas Operator | Feb 2026 |
| 721 | Ropar Operating Co. | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2026 |
| 722 | Roseland Oil & Gas Inc | Rockwall, TX 75087 | Oil & Gas Operator | Feb 2003 |
| 723 | Rover Operating Inc | Richardson, TX 75080 | Oil & Gas Operator | Apr 2000 |
| 724 | Royal Oil LTD. Co. | Hobbs, NM 88241 | Oil & Gas Operator | Mar 1996 |
| 725 | Royal Petroleum Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jan 2025 |
| 726 | Rubicon Energy, L.L.C. | Arlington, TX 76006 | Oil & Gas Operator | Sep 1999 |
| 727 | Rush, Charles Ray | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 728 | Rwa, LLC | Boyd, TX 76023 | Oil & Gas Operator | Feb 2026 |
| 729 | Ryan, Joseph G. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 730 | Ryder Scott Management, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2018 |
| 731 | Ryder Scott Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2005 |
| 732 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
| 733 | S & P Energy | Benbrook, TX 76126 | Oil & Gas Operator | Oct 1994 |
| 734 | S & P Energy, Inc. | Benbrook, TX 76126 | Oil & Gas Operator | Aug 2003 |
| 735 | S&G Oil LLC | Wichita Falls, TX 76309 | Oil & Gas Operator | Feb 2026 |
| 736 | S.B. Street Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 737 | Sabre Oil And Gas Corp. | Houston, TX 77063 | Oil & Gas Operator | Feb 2026 |
| 738 | Sabre Operating, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 739 | Sage Natural Resources LLC | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2026 |
| 740 | Sage Oil And Gas, LLC | Graham, TX 76450 | Gas Operator | Feb 2026 |
| 741 | Salt Of The Earth Energy, LLC | Montgomery, TX 77356 | Oil & Gas Operator | Feb 2026 |
| 742 | Samson Hydrocarbons Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2016 |
| 743 | Samson Lone Star LP | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2007 |
| 744 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2025 |
| 745 | Sanco Operating Company | Bullard, TX 75757 | Oil & Gas Operator | Feb 2026 |
| 746 | Sandollar Oil & Gas, Inc. | Hallsville, TX 75650 | Oil & Gas Operator | Feb 1993 |
| 747 | Schalk, Thomas S. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 1995 |
| 748 | Schlittler, Willard | Bryson, TX 76427 | Oil & Gas Operator | Feb 2026 |
| 749 | Schmid Properties, Inc. | Hico, TX 76457 | Oil & Gas Operator | Feb 2026 |
| 750 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Feb 2026 |
| 751 | Se USA Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2009 |
| 752 | Seattle'S Best Consulting LLC | Austin, TX 78731 | Oil & Gas Operator | Feb 2026 |
| 753 | Self, Charles D. | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2016 |
| 754 | Self, Charles Lynn | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 755 | Selous Energy, LLC | Fort Worth, TX 76109 | Oil & Gas Operator | Jul 2015 |
| 756 | Senkel, Wesley, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2007 |
| 757 | Shanks, Bob | Haskell, OK 74436 | Oil Operator | Sep 2002 |
| 758 | Sharp, John T. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2014 |
| 759 | Shelley, Richard W | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2015 |
| 760 | Shines'S Oil Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2009 |
| 761 | Shoshone Oil Company | Dallas, TX 75244 | Oil & Gas Operator | May 1994 |
| 762 | Siegfried R H Inc | Tulsa, OK 74104 | Oil & Gas Operator | Mar 2008 |
| 763 | Sierra Exploration Company | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2008 |
| 764 | Silver Creek Oil & Gas, LLC | Flower Mound, TX 75022 | Oil & Gas Operator | Feb 2026 |
| 765 | Silver Creek Resources, LLC | Irving, TX 75038 | Oil & Gas Operator | Apr 2017 |
| 766 | Simpson Oil & Land Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 767 | Six C Oil | Bowie, TX 76230 | Oil & Gas Operator | Sep 2011 |
| 768 | Skybridge Energy LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 769 | Slick Production, LLC | Muenster, TX 76252 | Oil & Gas Operator | Nov 2025 |
| 770 | Smith & Spragins | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1995 |
| 771 | Smith Pipe Of Abilene | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 772 | Smith Production Inc. | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2026 |
| 773 | Snow Operating Co., Inc. | Haltom City, TX 76117 | Oil & Gas Operator | Feb 2024 |
| 774 | Sojourner Drilling Corporation | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 775 | Somerset Operating, LLC | Weatherford, TX 76086 | Gas Operator | Feb 2026 |
| 776 | Southern Alliance Oil Corp. | Grapevine, TX 76099 | Oil & Gas Operator | Feb 2026 |
| 777 | Southlake Operating LLC | Weatherford, TX 76086 | Oil & Gas Operator | Feb 2026 |
| 778 | Spade Energy L.L.C. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 779 | Spiller Oil & Gas Company | Jacksboro, TX 76458 | Oil Operator | Feb 2026 |
| 780 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Feb 2026 |
| 781 | Spragins, Ed | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 782 | Squaw Mountain Oil, LLC | Jacksboro, TX 76458 | Oil Operator | Feb 2026 |
| 783 | St Johns Operating #1 LP | Houston, TX 77060 | Oil & Gas Operator | Aug 2023 |
| 784 | Sta-Kel Incorporated | Graham, TX 76450 | Oil & Gas Operator | Dec 2000 |
| 785 | Staghorn Resources, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2015 |
| 786 | Stamper Operating Co., Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 787 | Star Of Texas Energy SRVS, Inc. | Austin, TX 78702 | Oil & Gas Operator | Feb 2026 |
| 788 | Staub, Larry, Inc. | Azle, TX 76020 | Oil & Gas Operator | Feb 2026 |
| 789 | Steinberger, Gerald | Windthorst, TX 76389 | Oil & Gas Operator | Sep 2007 |
| 790 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 791 | Stephens Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Feb 2022 |
| 792 | Stephens, Morris | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 793 | Stivers Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 1995 |
| 794 | Stober Oil And Gas Services, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 795 | Stone Creek Operating, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Feb 2026 |
| 796 | Stovall Operating Co. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 797 | Strata Operating, Inc. | Corpus Chrsti, TX 78466 | Oil & Gas Operator | Feb 2026 |
| 798 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | Feb 2026 |
| 799 | Street, Spencer B., Jr. | Graham, TX 76450 | Oil & Gas Operator | Mar 1998 |
| 800 | Strickland, H.W. | Henrietta, TX 76365 | Oil & Gas Operator | Dec 1999 |