| 701 | Ramco Oil & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 702 | Rampage Energy Inc | Bristow, OK 74010-6415 | Oil & Gas Operator | Apr 2020 |
| 703 | Ramsey Engineering Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 1993 |
| 704 | Ramsey Nichols Operating Company LLC | | Oil & Gas Operator | Feb 2024 |
| 705 | Ramsey Property Management LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Jan 2024 |
| 706 | Ramsey Property MGMT Inc | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Mar 2019 |
| 707 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 708 | Range Production Company, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 2024 |
| 709 | Raw Crude Oil & Gas LLC | Oklahoma City, OK 73104-1801 | Oil & Gas Operator | Feb 2024 |
| 710 | RB Operating Company | Shawnee, OK 74802-1488 | Oil & Gas Operator | Apr 2015 |
| 711 | Reading & Bates Petroleum Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2009 |
| 712 | Red Bluff Resources Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 713 | Red Eagle Oil Company | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2005 |
| 714 | Red Hawk Disposal LLC | | Oil Operator | Jun 2023 |
| 715 | Red Plains Oil & Gas LLC | Kingfisher, OK 73750-0364 | Oil & Gas Operator | Oct 2017 |
| 716 | Red Wolf Operating LLC | | Oil & Gas Operator | Feb 2024 |
| 717 | Redfork Operations LLC | | Oil & Gas Operator | Feb 2024 |
| 718 | Redland Resources, LLC | Oklahoma City, OK 73127 | Oil & Gas Operator | Feb 2024 |
| 719 | Redline Energy LLC | | Oil & Gas Operator | Feb 2024 |
| 720 | Redstone Oil & Gas Company | Dallas, TX 75225 | Oil & Gas Operator | Jan 2020 |
| 721 | Remora Operating, LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
| 722 | Replay Energy Assets LLC | | Oil & Gas Operator | Feb 2024 |
| 723 | Reserve Acquisition Group | Tulsa, OK 74153 | Oil & Gas Operator | Dec 1993 |
| 724 | Resource Oil And Gas, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2024 |
| 725 | Revelation Resources | Cypress, TX 77410-2578 | Oil & Gas Operator | Jan 2024 |
| 726 | Ricks Exploration Co | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 727 | Ringwood Gathering Co | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 2024 |
| 728 | Rio Blanco Operating LLC | Victoria, TX 77904 | Oil & Gas Operator | Jan 2024 |
| 729 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2024 |
| 730 | RKK Production Company | Mustang, OK 73064 | Oil & Gas Operator | Feb 2024 |
| 731 | RMS Monte Christo, LLC | Snowmass VLG., CO 81615 | Oil & Gas Operator | Mar 2023 |
| 732 | Roberson Oil Company | Houston, TX 77046 | Oil & Gas Operator | Jan 2024 |
| 733 | Robson Resources Inc | Tulsa, OK 74104 | Oil & Gas Operator | May 1998 |
| 734 | Rodman Petroleum Corp. | Odessa, TX 79768 | Oil & Gas Operator | Jul 2023 |
| 735 | Root W C | Kellyville, OK 74039 | Oil & Gas Operator | Jan 2021 |
| 736 | Rox Exploration Inc | Norman, OK 73069-6301 | Oil & Gas Operator | Feb 2024 |
| 737 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 738 | Royalty Energy Development LLC | Edmond, OK 73083 | Oil & Gas Operator | Feb 2024 |
| 739 | RR Oil Well Operations LLC | | Oil & Gas Operator | Feb 2024 |
| 740 | RTC Resources, LLP | Weatherford, OK 73096 | Oil & Gas Operator | Apr 2024 |
| 741 | Rupe Oil Company, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Dec 2023 |
| 742 | Russell D Meloy Oil & Gas Co | Enid, OK 73703-1623 | Oil & Gas Operator | Feb 2024 |
| 743 | Ryder Scott Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2005 |
| 744 | S & G Operating LLC | Kingfisher, OK 73750-0256 | Oil & Gas Operator | Feb 2024 |
| 745 | S/H Petroleum Corporation | Hennessey, OK 73742-0477 | Oil & Gas Operator | Feb 2016 |
| 746 | Sabine Production Company | | Oil & Gas Operator | Oct 1990 |
| 747 | Sabre Operating, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 748 | Salty Dog Disposal LLC | | Oil Operator | Mar 2024 |
| 749 | Samson Hydrocarbons Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2016 |
| 750 | Samson Oil Company | | Oil & Gas Operator | Feb 2001 |
| 751 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
| 752 | Sand Point Production Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Jan 2024 |
| 753 | Sandridge Energy, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2018 |
| 754 | Sandridge Exploration And Production LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2024 |
| 755 | Sanguine Gas Exploration, LLC | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2024 |
| 756 | Sanook Inc | Oklahoma City, OK 73156-0548 | Oil & Gas Operator | Jan 2007 |
| 757 | Santa Fe Minerals, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Sep 2013 |
| 758 | Santo Resources Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 1998 |
| 759 | Scana Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Dec 1999 |
| 760 | Scana Petroleum Resources Inc | Houston, TX 77002 | Oil & Gas Operator | Jun 2013 |
| 761 | Scana Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2005 |
| 762 | Scoggins Production Company | Cleo Springs, OK 73729-9732 | Oil & Gas Operator | May 2022 |
| 763 | Scoggins Production LLC | | Oil & Gas Operator | Feb 2024 |
| 764 | Seagull Energy E & P Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2015 |
| 765 | Seagull Mid-South Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 766 | Seagull Midcon Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 767 | Seals And Brown Oil Operating | Norman, OK 73072-3020 | Oil & Gas Operator | Feb 2024 |
| 768 | Seals Oil Company | Fox, OK 73435-0222 | Oil & Gas Operator | Nov 2011 |
| 769 | Seaport Inc | Edmond, OK 73083-5646 | Oil & Gas Operator | Feb 2024 |
| 770 | Sears M N | Oklahoma City, OK 73143 | Oil & Gas Operator | Apr 2015 |
| 771 | Seely Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 772 | Seneca Oil Company | Tulsa, OK 74121-1518 | Oil & Gas Operator | Jan 2015 |
| 773 | Sensor Oil & Gas Inc | Duncan, OK 73534 | Oil & Gas Operator | May 2013 |
| 774 | Sentinel Petroleum Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2020 |
| 775 | Settlers Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Apr 1998 |
| 776 | Seven Horses LLC | Alva, OK 73717-5004 | Oil & Gas Operator | Feb 2024 |
| 777 | Shale Properties LLC | | Oil Operator | Aug 2023 |
| 778 | Shanks Drilling & Production Company LLC | Leonard, OK 74043-0038 | Oil & Gas Operator | Aug 2023 |
| 779 | Shar Alan Oil Company | | Oil & Gas Operator | Oct 2005 |
| 780 | Shell Oil Company | Houston, TX 77210 | Oil & Gas Operator | Apr 2015 |
| 781 | Shell Trading Us Company | Houston, TX 77210 | Oil & Gas Operator | Jan 2024 |
| 782 | Shell Western Expl & Prod Inc | Houston, TX 77251 | Oil & Gas Operator | Mar 2015 |
| 783 | Shelly Energy Inc. | Berwyn, PA 19312 | Oil & Gas Operator | Feb 2024 |
| 784 | Sheridan Production Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Jan 2024 |
| 785 | Sho-Bar Energy, Inc. | Harper, KS 67058 | Oil & Gas Operator | Jan 2024 |
| 786 | Silver Creek Oil & Gas, LLC | Flower Mound, TX 75022 | Oil & Gas Operator | Apr 2024 |
| 787 | Silver Pines Energy Corp. | Houston, TX 77005 | Oil & Gas Operator | Feb 2024 |
| 788 | Singer Fleischaker Oil Op. Co. | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2002 |
| 789 | Singer Oil Co LLC | Hennessey, OK 73742-0307 | Oil & Gas Operator | Feb 2024 |
| 790 | Siosi Oil & Gas Company | Tulsa, OK 74170-2163 | Oil & Gas Operator | Nov 2013 |
| 791 | Skycap Energy, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2024 |
| 792 | Sloan Petroleum Service Inc | Edmond, OK 73003-0018 | Oil & Gas Operator | Feb 2024 |
| 793 | Smith C W & Associates Inc | Oklahoma City, OK 73178-0105 | Oil & Gas Operator | Aug 2013 |
| 794 | Snuffy'S Oilfield Service Inc | Hennessey, OK 73742-6511 | Oil & Gas Operator | Nov 2014 |
| 795 | Snyder Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2015 |
| 796 | Sooner Exploration & Development Co Inc | Enid, OK 73702-3525 | Oil & Gas Operator | Oct 2023 |
| 797 | Sooner Oilfield Services Inc | Piedmont, OK 73078-0810 | Oil & Gas Operator | Feb 2024 |
| 798 | Southern Resources Inc | Oklahoma City, OK 73118-4821 | Oil & Gas Operator | Feb 2024 |
| 799 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
| 800 | Southwest Energy Development Inc | Waukomis, OK 73720-0022 | Oil & Gas Operator | Jan 2024 |