| 701 | Rafter T Resources LLC | Midland, TX 79705 | Oil & Gas Operator | Sep 2026 |
| 702 | Ram Operating Inc. | Browns, IL 62818 | Oil & Gas Operator | Aug 2008 |
| 703 | Ramtex Energy LLC | Tulsa, OK 74114 | Oil & Gas Operator | Sep 2026 |
| 704 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 705 | Ranger 40 Petroleum, LLC | Fairfield, CT 06824 | Oil & Gas Operator | Sep 2026 |
| 706 | Raptor Resources, Inc. | Austin, TX 78701 | Oil & Gas Operator | Sep 2026 |
| 707 | Rasmussen, Hal J. Operating, Inc | Midland, TX 79701 | Oil & Gas Operator | Apr 2009 |
| 708 | Rasmussen, Tom | San Angelo, TX 76904 | Oil & Gas Operator | Sep 2026 |
| 709 | Rattler Midstream Operating LLC | Midland, TX 79701 | Oil Operator | Sep 2026 |
| 710 | Raven Resources LLC | Oklahoma City, OK 73172 | Oil & Gas Operator | May 2026 |
| 711 | Raw Oil & Gas, Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Sep 2026 |
| 712 | Rawls Oil Services | Andrews, TX 79714 | Oil Operator | Sep 2026 |
| 713 | RBJ & Associates, LP | Midland, TX 79707 | Oil Operator | Jan 2020 |
| 714 | Redco Oil & Gas, Inc. | Ledbetter, TX 78946 | Oil & Gas Operator | Sep 2026 |
| 715 | Reef Exploration, L.P. | Richardson, TX 75080 | Oil & Gas Operator | Sep 2026 |
| 716 | Reliance Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | Sep 2026 |
| 717 | Reliance Operating Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2000 |
| 718 | Remuda Operating Company | Midland, TX 79711 | Oil & Gas Operator | Sep 2026 |
| 719 | Reo Operating LLC | Austin, TX 78747 | Oil & Gas Operator | Sep 2026 |
| 720 | Resource Operating Company | Abilene, TX 79601 | Oil & Gas Operator | Jul 1997 |
| 721 | Reverence Operating LLC | Odessa, TX 79768 | Oil & Gas Operator | Sep 2026 |
| 722 | Rex Energy Operating Corp. | State College, PA 16801 | Oil & Gas Operator | Jun 2012 |
| 723 | RGX Energy LLC | Plano, TX 75025 | Oil & Gas Operator | Oct 2019 |
| 724 | Rhonda Operating Company | Midland, TX 79710 | Oil & Gas Operator | Aug 2017 |
| 725 | Richmond Drilling Company | Midland, TX 79705 | Oil & Gas Operator | Apr 2017 |
| 726 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Sep 2026 |
| 727 | Ring Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 728 | Rio-Tex, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | Sep 2026 |
| 729 | Rising Star Energy, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Aug 2006 |
| 730 | Robertson Resources, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Sep 2026 |
| 731 | Ronning Gas And Oil LLC | Mesa, AZ 85203 | Oil & Gas Operator | Sep 2026 |
| 732 | Rover Petroleum Operating, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2026 |
| 733 | Roy Jackson Energy Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 734 | Royale Operating Company | San Diego, CA 92108 | Oil & Gas Operator | Apr 1996 |
| 735 | RSP Permian, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2018 |
| 736 | Rumble Energy LLC | Skiatook, OK 74070 | Oil & Gas Operator | Sep 2026 |
| 737 | Rusk Co. Well Service Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 738 | Rust Oil Corp. | Fort Worth, TX 76121 | Oil & Gas Operator | Sep 2026 |
| 739 | Rust Operating Co., Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Feb 2000 |
| 740 | Rutherford Oil Corporation | Houston, TX 77046 | Oil & Gas Operator | Jun 2019 |
| 741 | Ryann Operating, LLC | Waller, TX 77484 | Oil & Gas Operator | Sep 2026 |
| 742 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
| 743 | S & M Drilling, LLC | Wichita Falls, TX 76308 | Oil Operator | Sep 2023 |
| 744 | Sabalo II Operating, LLC | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Sep 2026 |
| 745 | Saber Oil & Gas Ventures, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 746 | Saber Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Aug 2008 |
| 747 | Sabinal Energy Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2025 |
| 748 | Sabine Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 749 | Saddleback Exploration, LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2024 |
| 750 | Saga Pet. LTD Liability Co Of Co | Midland, TX 79701 | Oil & Gas Operator | Apr 2004 |
| 751 | Saga Petroleum Corp. | Midland, TX 79701 | Oil & Gas Operator | Mar 2008 |
| 752 | Saga Petroleum LLC Of Colorado | Norman, OK 73072 | Oil & Gas Operator | Sep 2026 |
| 753 | Sage Energy Company | San Antonio, TX 78215 | Oil & Gas Operator | Sep 2026 |
| 754 | Saguaro Petroleum, LLC | Eastland, TX 76448 | Oil & Gas Operator | Sep 2026 |
| 755 | Sahara Operating Company | Midland, TX 79704 | Oil & Gas Operator | Sep 2026 |
| 756 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
| 757 | Samis Oil Company, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Sep 2000 |
| 758 | Samson Hydrocarbons Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2016 |
| 759 | Samson Lone Star LP | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2007 |
| 760 | Samson Lone Star, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2026 |
| 761 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | May 2026 |
| 762 | Sanchez-O'Brien Oil & Gas Corp | Houston, TX 77057 | Oil & Gas Operator | May 1998 |
| 763 | Sandridge Exploration And Production LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Sep 2026 |
| 764 | Santa Fe Energy Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
| 765 | Santa Fe Exploration Company | Lubbock, TX 79408 | Oil & Gas Operator | Nov 1997 |
| 766 | Santa Fe Snyder Corporation | Houston, TX 77024 | Oil & Gas Operator | Oct 2000 |
| 767 | Sarita Energy Resources, LTD. | Houston, TX 77277 | Oil & Gas Operator | Sep 2026 |
| 768 | Satanta Oil Company | Midland, TX 79704 | Oil & Gas Operator | Sep 2026 |
| 769 | Savannah Ross And Company, LLC | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 770 | Saxet Oil Corporation | Midland, TX 79708 | Oil & Gas Operator | Sep 2026 |
| 771 | SBJ Energy Partners, L.L.C. | Waco, TX 76710 | Oil & Gas Operator | Sep 2026 |
| 772 | Schlachter Operating Corporation | Dallas, TX 75225 | Oil & Gas Operator | Sep 2026 |
| 773 | Schlachter, David A. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2015 |
| 774 | Schlachter, David A., Estate Of | Dallas, TX 75225 | Oil & Gas Operator | Jan 2000 |
| 775 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Sep 2026 |
| 776 | Scythian, LTD. | Midland, TX 79701 | Oil & Gas Operator | Dec 2020 |
| 777 | Seaboard Oil Company | Midland, TX 79710 | Oil & Gas Operator | Mar 2008 |
| 778 | Seaboard Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 779 | Seay Exploration, Inc. | Midland, TX 79704 | Oil & Gas Operator | Mar 2008 |
| 780 | Seguro Oil And Gas, LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2024 |
| 781 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 782 | Shenandoah Petroleum Corporation | Midland, TX 79705 | Oil & Gas Operator | Sep 2026 |
| 783 | Sheridan Production Company, LLC | Houston, TX 77056 | Oil & Gas Operator | May 2026 |
| 784 | Shidler, Mark L., Inc. | Houston, TX 77055 | Oil & Gas Operator | Sep 2026 |
| 785 | Shinnery Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 786 | Silver Cross Energy Partners LLC | Richmond, TX 77469 | Oil & Gas Operator | Sep 2026 |
| 787 | Simata Energy | Midland, TX 79708 | Oil & Gas Operator | Sep 2026 |
| 788 | Simata Energy, LLC | Midland, TX 79708 | Oil & Gas Operator | Sep 2026 |
| 789 | Slant Operating, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Sep 2026 |
| 790 | Sloan Petroleum Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 791 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Sep 2026 |
| 792 | SMC Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 793 | Smith & Marrs Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2021 |
| 794 | Smith Brothers Oil & Gas, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 795 | Smith Pipe Of Abilene | Abilene, TX 79608 | Oil & Gas Operator | Sep 2026 |
| 796 | Snow Oil & Gas Inc. | Andrews, TX 79714 | Oil & Gas Operator | Sep 2026 |
| 797 | Snow Operating Co., Inc. | Haltom City, TX 76117 | Oil & Gas Operator | Feb 2024 |
| 798 | Sogo III LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2017 |
| 799 | Sol Oil Co., L.C. | Crane, TX 79731 | Oil Operator | Sep 2026 |
| 800 | Sonat Exploration Co. - Midland | Houston, TX 77251 | Oil & Gas Operator | Mar 1999 |