| 9601 | Rowland, Rex D. Estate Of | Dallas, TX 75252 | Oil & Gas Operator | Apr 2025 |
| 9602 | Rox Exploration Inc | Norman, OK 73069-6301 | Oil & Gas Operator | Feb 2025 |
| 9603 | Roxanna Oil Company | Oklahoma City, OK 73120-2717 | Oil Operator | Aug 2016 |
| 9604 | Roxi Production | Pampa, TX 79065 | Oil & Gas Operator | Apr 2025 |
| 9605 | Roy Jackson Energy Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 9606 | Roy Production Co. | Shamrock, TX 79079 | Oil & Gas Operator | Jul 2012 |
| 9607 | Royal American Oil & Gas | Post, TX 79356 | Oil & Gas Operator | Jan 2019 |
| 9608 | Royal Oil & Gas Corp. | Indiana, PA 15701 | Oil & Gas Operator | Apr 2014 |
| 9609 | Royal Oil LTD. Co. | Hobbs, NM 88241 | Oil & Gas Operator | Mar 1996 |
| 9610 | Royal Petroleum | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 9611 | Royal Petroleum Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Apr 2025 |
| 9612 | Royal Petroleum Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jan 2025 |
| 9613 | Royal Production Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2025 |
| 9614 | Royal Seahorse Developments Inc | San Antonio, TX 78209 | Oil & Gas Operator | Oct 1994 |
| 9615 | Royal Texan Energy Co. | Irvine, CA 92618 | Oil & Gas Operator | Apr 2025 |
| 9616 | Royal Texan Resources Co. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2025 |
| 9617 | Royal Texas Petroleum | Lago VIsta, TX 78645 | Oil & Gas Operator | Apr 2025 |
| 9618 | Royale Energy Inc | San Diego, CA 92108-4518 | Oil & Gas Operator | Dec 2024 |
| 9619 | Royale Operating Company | San Diego, CA 92108 | Oil & Gas Operator | Apr 1996 |
| 9620 | Royalty Land & Dev. Co., Inc. | Wolfforth, TX 79382 | Oil & Gas Operator | Apr 2025 |
| 9621 | Royalty Operating, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Nov 2007 |
| 9622 | Royalty Resources, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 9623 | Royko Oil Company | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Apr 2025 |
| 9624 | Rozzlle Operating Company, LLC | Blackwell, TX 79506 | Oil & Gas Operator | Apr 2025 |
| 9625 | RP Operating, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 9626 | RPG Operating LLC | MC Queeney, TX 78123 | Oil Operator | Apr 2025 |
| 9627 | RPM Operating Company | New Braunfels, TX 78131 | Oil & Gas Operator | Mar 2008 |
| 9628 | RPM Petroleum, LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Apr 2013 |
| 9629 | RR Ventures Limited Partnership | San Antonio, TX 78239 | Oil & Gas Operator | Apr 2025 |
| 9630 | RRCH Corp. | Longview, TX 75606 | Oil & Gas Operator | Dec 2013 |
| 9631 | RRG Operating, LLC | Odessa, TX 79760 | Oil & Gas Operator | Apr 2025 |
| 9632 | Rrig Exploration, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Apr 2025 |
| 9633 | RRP Operating LLC | Houston, TX 77046 | Oil & Gas Operator | Apr 2025 |
| 9634 | RRR Exploration, Inc. | Dallas, TX 75247 | Oil & Gas Operator | May 1994 |
| 9635 | RSD Minerals LLC | Wichita, KS 67206 | Oil Operator | Oct 2024 |
| 9636 | Rse, Inc. | Houston, TX 77077 | Oil & Gas Operator | Sep 2000 |
| 9637 | RSP Permian, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2018 |
| 9638 | RTC Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 9639 | RTC Resources, LLP | Weatherford, OK 73096 | Oil & Gas Operator | Apr 2025 |
| 9640 | RTD Inc | Bartlesville, OK 74006 | Oil Operator | Jan 1995 |
| 9641 | RTD Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 9642 | Rto Operating, LLC | San Antonio, TX 78212 | Oil Operator | Feb 2016 |
| 9643 | RTZ Energy, LLC | Kilgore, TX 75663 | Gas Operator | Apr 2006 |
| 9644 | Rubicon Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 9645 | Rubis Oil, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Apr 2025 |
| 9646 | Ruby Operating Company, Inc | Clyde, TX 79510 | Oil & Gas Operator | Apr 2025 |
| 9647 | Rucker, Gary | Archer City, TX 76351 | Oil & Gas Operator | Dec 2003 |
| 9648 | Ruckus Energy Operating, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Apr 2025 |
| 9649 | Rudman Partnership, The | Dallas, TX 75201 | Oil & Gas Operator | Dec 2014 |
| 9650 | Ruff | Albany, TX 76430 | Oil & Gas Operator | Aug 2017 |
| 9651 | Ruff Drilling Company | Albany, TX 76430 | Oil & Gas Operator | Dec 2019 |
| 9652 | Ruff Oil Co. | Albany, TX 76430 | Oil Operator | Apr 2025 |
| 9653 | Runion Oil, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Aug 2003 |
| 9654 | Running WP Oil, LLC | Loving, TX 76460 | Oil Operator | Apr 2025 |
| 9655 | Rush Creek Operating LLC | McKinney, TX 75070 | Oil & Gas Operator | Apr 2025 |
| 9656 | Rush, Charles Ray | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 9657 | Rushing Oil Co. | San Antonio, TX 78213 | Oil & Gas Operator | Apr 2025 |
| 9658 | Rusk Co. Well Service Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 9659 | Rusk Energy Management, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2008 |
| 9660 | Rusk Energy Operating LLC | Houston, TX 77040 | Oil & Gas Operator | Apr 2025 |
| 9661 | Rusk Production Inc. | Iowa Park, TX 76367 | Oil & Gas Operator | Apr 2025 |
| 9662 | Russell - FT. Trinidad Op., LLC | Tyler, TX 75710 | Oil & Gas Operator | Apr 2025 |
| 9663 | Russell Bros. Oil & Gas, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2025 |
| 9664 | Russell Brothers Oil & Gas | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2004 |
| 9665 | Russell Operating Company, LLC | Big Lake, TX 76932 | Oil Operator | Apr 2025 |
| 9666 | Russell, C. M. Oil Company | Lubbock, TX 79423 | Oil & Gas Operator | Jan 2008 |
| 9667 | Russell, L. J. Oil Company | Snyder, TX 79549 | Oil & Gas Operator | Apr 2025 |
| 9668 | Russell, Phillip | Colorado City, TX 79512 | Oil & Gas Operator | Apr 2025 |
| 9669 | Russell, T. Operating Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2005 |
| 9670 | Rust Oil Corp. | Fort Worth, TX 76108 | Oil & Gas Operator | Apr 2025 |
| 9671 | Rust Operating Co., Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Feb 2000 |
| 9672 | Ruth Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Feb 2010 |
| 9673 | Rutherford Oil Corporation | Houston, TX 77046 | Oil & Gas Operator | Jun 2019 |
| 9674 | Rutherford, Michael A. | Dallas, TX 75381 | Oil & Gas Operator | May 2000 |
| 9675 | Ruthson Energy, Inc. | Judson, TX 75660 | Oil Operator | Apr 2025 |
| 9676 | Rutledge, Kenny | Rising Star, TX 76471 | Oil & Gas Operator | Apr 2025 |
| 9677 | Rutledge, Rome | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 1997 |
| 9678 | Rutledge-Newsom | Graham, TX 76450 | Oil Operator | Apr 2025 |
| 9679 | Rutta, Jim | Columbus, TX 78934 | Oil & Gas Operator | Dec 1995 |
| 9680 | Ruwco Oil And Gas Corp. | Austin, TX 78701 | Oil & Gas Operator | Aug 2021 |
| 9681 | RVR Operating Co. | Bedford, TX 76021 | Oil & Gas Operator | Jan 2017 |
| 9682 | RW Operating Corp. | Midland, TX 79702 | Oil & Gas Operator | Jul 2016 |
| 9683 | Rwa Corporation | Houston, TX 77024 | Oil & Gas Operator | Sep 1999 |
| 9684 | Rwa, LLC | Boyd, TX 76023 | Oil & Gas Operator | Apr 2025 |
| 9685 | RWJ Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | Apr 2025 |
| 9686 | RWS Operating Co. LLC | Kilgore, TX 75663 | Oil Operator | Apr 2025 |
| 9687 | Ryan, Joseph G. | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 9688 | Ryann Operating, LLC | Waller, TX 77484 | Oil & Gas Operator | Apr 2025 |
| 9689 | Ryder Scott Management, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2018 |
| 9690 | Ryder Scott Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2005 |
| 9691 | Ryholland Fielder, Inc | Delray Beach, FL 33446 | Oil & Gas Operator | Apr 2025 |
| 9692 | Rystin Oil & Gas | Sugar Land, TX 77487 | Oil & Gas Operator | Apr 2025 |
| 9693 | S & B Operating, LLC | Iowa Park, TX 76367 | Oil Operator | Apr 2025 |
| 9694 | S & C Construction, Inc. | Whitefish, MT 59937 | Oil & Gas Operator | Apr 2025 |
| 9695 | S & H Oil Company | Vernon, TX 76384 | Oil & Gas Operator | Sep 1999 |
| 9696 | S & H Resources | Abilene, TX 79605 | Oil & Gas Operator | Apr 2025 |
| 9697 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
| 9698 | S & JB, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jul 2010 |
| 9699 | S & L Oil Field Services | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Jan 1999 |
| 9700 | S & M Drilling, LLC | Wichita Falls, TX 76308 | Oil Operator | Sep 2023 |