| 9801 | Royal Petroleum | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 9802 | Royal Petroleum Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Feb 2026 |
| 9803 | Royal Petroleum Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jan 2025 |
| 9804 | Royal Production Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Feb 2026 |
| 9805 | Royal Seahorse Developments Inc | San Antonio, TX 78209 | Oil & Gas Operator | Oct 1994 |
| 9806 | Royal Texan Energy Co. | Irvine, CA 92618 | Oil & Gas Operator | Feb 2026 |
| 9807 | Royal Texan Resources Co. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 9808 | Royal Texas Petroleum | Lago VIsta, TX 78645 | Oil & Gas Operator | Feb 2026 |
| 9809 | Royale Operating Company | San Diego, CA 92108 | Oil & Gas Operator | Apr 1996 |
| 9810 | Royalty Land & Dev. Co., Inc. | Wolfforth, TX 79382 | Oil & Gas Operator | Feb 2026 |
| 9811 | Royalty Operating, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Nov 2007 |
| 9812 | Royalty Resources, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 9813 | Royko Oil Company | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Feb 2026 |
| 9814 | Rozzlle Operating Company, LLC | Blackwell, TX 79506 | Oil & Gas Operator | Feb 2026 |
| 9815 | RP Operating, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 9816 | RPG Operating LLC | MC Queeney, TX 78123 | Oil Operator | Feb 2026 |
| 9817 | RPM Operating Company | New Braunfels, TX 78131 | Oil & Gas Operator | Mar 2008 |
| 9818 | RPM Petroleum, LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Apr 2013 |
| 9819 | RR Ventures Limited Partnership | San Antonio, TX 78239 | Oil & Gas Operator | Feb 2026 |
| 9820 | RRCH Corp. | Longview, TX 75606 | Oil & Gas Operator | Dec 2013 |
| 9821 | RRG Operating, LLC | Odessa, TX 79760 | Oil & Gas Operator | Feb 2026 |
| 9822 | Rrig Exploration, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Feb 2026 |
| 9823 | RRP Operating LLC | Houston, TX 77046 | Oil & Gas Operator | Feb 2026 |
| 9824 | RRR Exploration, Inc. | Dallas, TX 75247 | Oil & Gas Operator | May 1994 |
| 9825 | RSD Minerals LLC | Wichita, KS 67206 | Oil Operator | Aug 2025 |
| 9826 | Rse, Inc. | Houston, TX 77077 | Oil & Gas Operator | Sep 2000 |
| 9827 | RSP Permian, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2018 |
| 9828 | RTC Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 9829 | RTC Resources, LLP | Weatherford, OK 73096 | Oil & Gas Operator | Feb 2026 |
| 9830 | RTD Inc | Bartlesville, OK 74006 | Oil Operator | Jan 1995 |
| 9831 | RTD Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 9832 | Rto Operating, LLC | San Antonio, TX 78212 | Oil Operator | Feb 2016 |
| 9833 | RTZ Energy, LLC | Kilgore, TX 75663 | Gas Operator | Apr 2006 |
| 9834 | Rubicon Energy, L.L.C. | Arlington, TX 76006 | Oil & Gas Operator | Sep 1999 |
| 9835 | Rubicon Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 9836 | Rubis Oil, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Feb 2026 |
| 9837 | Ruby Operating Company, Inc | Clyde, TX 79510 | Oil & Gas Operator | Feb 2026 |
| 9838 | Rucker, Gary | Archer City, TX 76351 | Oil & Gas Operator | Dec 2003 |
| 9839 | Ruckus Energy Operating, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Feb 2026 |
| 9840 | Rudman Partnership, The | Dallas, TX 75201 | Oil & Gas Operator | Dec 2014 |
| 9841 | Ruff | Albany, TX 76430 | Oil & Gas Operator | Aug 2017 |
| 9842 | Ruff Drilling Company | Albany, TX 76430 | Oil & Gas Operator | Dec 2019 |
| 9843 | Ruff Oil Co. | Albany, TX 76430 | Oil Operator | Feb 2026 |
| 9844 | Rumble Energy LLC | Skiatook, OK 74070 | Oil & Gas Operator | Feb 2026 |
| 9845 | Runion Oil, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Aug 2003 |
| 9846 | Running WP Oil, LLC | Loving, TX 76460 | Oil Operator | Feb 2026 |
| 9847 | Rush Creek Operating LLC | McKinney, TX 75070 | Oil & Gas Operator | Feb 2026 |
| 9848 | Rush, Charles Ray | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 9849 | Rushing Oil Co. | San Antonio, TX 78213 | Oil & Gas Operator | Feb 2026 |
| 9850 | Rusk Co. Well Service Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 9851 | Rusk Energy Management, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2008 |
| 9852 | Rusk Energy Operating LLC | Houston, TX 77040 | Oil & Gas Operator | Feb 2026 |
| 9853 | Rusk Production Inc. | Iowa Park, TX 76367 | Oil & Gas Operator | Feb 2026 |
| 9854 | Russell - FT. Trinidad Op., LLC | Tyler, TX 75710 | Oil & Gas Operator | Feb 2026 |
| 9855 | Russell Bros. Oil & Gas, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 9856 | Russell Brothers Oil & Gas | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2004 |
| 9857 | Russell Operating Company, LLC | Big Lake, TX 76932 | Oil Operator | Feb 2026 |
| 9858 | Russell, C. M. Oil Company | Lubbock, TX 79423 | Oil & Gas Operator | Jan 2008 |
| 9859 | Russell, L. J. Oil Company | Snyder, TX 79549 | Oil & Gas Operator | Feb 2026 |
| 9860 | Russell, Phillip | Colorado City, TX 79512 | Oil & Gas Operator | Feb 2026 |
| 9861 | Russell, T. Operating Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2005 |
| 9862 | Rust Oil Corp. | Fort Worth, TX 76121 | Oil & Gas Operator | Feb 2026 |
| 9863 | Rust Operating Co., Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Feb 2000 |
| 9864 | Ruth Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Feb 2010 |
| 9865 | Rutherford Oil Corporation | Houston, TX 77046 | Oil & Gas Operator | Jun 2019 |
| 9866 | Rutherford, Michael A. | Dallas, TX 75381 | Oil & Gas Operator | May 2000 |
| 9867 | Ruthson Energy, Inc. | Judson, TX 75660 | Oil Operator | Feb 2026 |
| 9868 | Rutledge, Kenny | Rising Star, TX 76471 | Oil & Gas Operator | Feb 2026 |
| 9869 | Rutledge, Rome | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 1997 |
| 9870 | Rutledge-Newsom | Graham, TX 76450 | Oil Operator | Jun 2025 |
| 9871 | Rutta, Jim | Columbus, TX 78934 | Oil & Gas Operator | Dec 1995 |
| 9872 | Ruwco Oil And Gas Corp. | Austin, TX 78701 | Oil & Gas Operator | Aug 2021 |
| 9873 | RVR Operating Co. | Bedford, TX 76021 | Oil & Gas Operator | Jan 2017 |
| 9874 | RW Operating Corp. | Midland, TX 79702 | Oil & Gas Operator | Jul 2016 |
| 9875 | Rwa Corporation | Houston, TX 77024 | Oil & Gas Operator | Sep 1999 |
| 9876 | Rwa, LLC | Boyd, TX 76023 | Oil & Gas Operator | Feb 2026 |
| 9877 | RWJ Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 9878 | RWS Operating Co. LLC | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 9879 | Ryan, Joseph G. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 9880 | Ryann Operating, LLC | Waller, TX 77484 | Oil & Gas Operator | Feb 2026 |
| 9881 | Ryder Scott Management, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2018 |
| 9882 | Ryder Scott Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2005 |
| 9883 | Ryholland Fielder, Inc | Delray Beach, FL 33446 | Oil & Gas Operator | Feb 2026 |
| 9884 | Rystin Oil & Gas | Sugar Land, TX 77487 | Oil & Gas Operator | Feb 2026 |
| 9885 | S & B Operating, LLC | Iowa Park, TX 76367 | Oil Operator | Feb 2026 |
| 9886 | S & C Construction, Inc. | Whitefish, MT 59937 | Oil & Gas Operator | Feb 2026 |
| 9887 | S & H Oil Company | Vernon, TX 76384 | Oil & Gas Operator | Sep 1999 |
| 9888 | S & H Resources | Abilene, TX 79605 | Oil & Gas Operator | Feb 2026 |
| 9889 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
| 9890 | S & JB, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jul 2010 |
| 9891 | S & L Oil Field Services | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Jan 1999 |
| 9892 | S & M Drilling, LLC | Wichita Falls, TX 76308 | Oil Operator | Sep 2023 |
| 9893 | S & M Royalty | Andrews, TX 79714 | Oil & Gas Operator | Jan 1997 |
| 9894 | S & N Energies, Inc. | Amarillo, TX 79109 | Oil & Gas Operator | Jun 2002 |
| 9895 | S & P Energy | Benbrook, TX 76126 | Oil & Gas Operator | Oct 1994 |
| 9896 | S & P Energy, Inc. | Benbrook, TX 76126 | Oil & Gas Operator | Aug 2003 |
| 9897 | S & R Oil Company | Electra, TX 76360 | Oil & Gas Operator | Apr 1993 |
| 9898 | S & R Operating | Merkel, TX 79536 | Oil & Gas Operator | Mar 2008 |
| 9899 | S & S & H Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jul 2004 |
| 9900 | S & S Energy | Englewood, CO 80112 | Oil & Gas Operator | Mar 2015 |