| 1 | A & A Tank Truck Company | Norman, OK 73070-8969 | Oil & Gas Operator | Jan 2024 |
| 2 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 3 | Anschutz Exploration Corporation | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
| 4 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Apr 2024 |
| 5 | B & B SWD LLC | | Oil Operator | Jan 2024 |
| 6 | Bentley Oil & Gas Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 7 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 8 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 9 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2024 |
| 10 | C & L Oil And Gas Corporation | Norman, OK 73069-8224 | Oil & Gas Operator | Jan 2024 |
| 11 | Capstone Oilfield Disposal Service LLC | Hennessey, OK 73742-0698 | Oil Operator | Dec 2019 |
| 12 | Central Ok Reclamation LLC | | Oil & Gas Operator | Jun 2014 |
| 13 | Chance Oil Co., Inc. | Vernon, TX 76385 | Oil & Gas Operator | Dec 2023 |
| 14 | Chanze Oil Co., Inc. | Ocate, NM 87734 | Oil & Gas Operator | Apr 2024 |
| 15 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2024 |
| 16 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
| 17 | Crawley Petroleum Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2024 |
| 18 | D & B Operating LLC | | Oil Operator | Jan 2023 |
| 19 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
| 20 | DDD Exploration Inc | Amarillo, TX 79109 | Oil Operator | Apr 2024 |
| 21 | Eagle Hydrocarbons Inc | Houston, TX 77079 | Oil & Gas Operator | Jun 2020 |
| 22 | Eagle Resources Inc | Claremore, OK 74019-5398 | Oil & Gas Operator | May 2013 |
| 23 | Excalibur Resources LLC | | Oil & Gas Operator | Jan 2024 |
| 24 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
| 25 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 26 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 27 | Fulcrum Exploration LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Jan 2024 |
| 28 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 29 | GLB Exploration, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2024 |
| 30 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Dec 2023 |
| 31 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2024 |
| 32 | Gulf Production Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2015 |
| 33 | H2ox Operating LLC | | Oil Operator | Jan 2024 |
| 34 | Ham Oil Company, LLC | | Oil Operator | Sep 2022 |
| 35 | Harding Exploration, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2016 |
| 36 | Heartlands Development Co Inc | Bristow, OK 74010-3826 | Oil & Gas Operator | May 2017 |
| 37 | Heights Energy Corporation | Plano, TX 75026 | Oil & Gas Operator | Apr 2024 |
| 38 | High Sierra Crude Oil& Marketing LLC | Ardmore, OK 73401 | Oil Operator | Nov 2013 |
| 39 | Hoppes Helen E | Depew, OK 74028-3428 | Oil & Gas Operator | Apr 2015 |
| 40 | Hunton Oil & Gas Corporation | Oklahoma City, OK 73154-0191 | Oil & Gas Operator | May 2019 |
| 41 | Hy-Carb Energy Inc | | Oil & Gas Operator | Feb 2009 |
| 42 | Illoma Oil Company Inc | Algonquin, IL 60102-1825 | Oil & Gas Operator | Mar 2015 |
| 43 | Jones, L. E. Production Co. | Duncan, OK 73534 | Oil & Gas Operator | Jul 2014 |
| 44 | Jubilee Exploration LLC | | Oil & Gas Operator | Dec 2023 |
| 45 | Kybenco Disposals LLC | | Oil Operator | Sep 2022 |
| 46 | Lake Country Disposal II LLC | | Oil Operator | Jan 2024 |
| 47 | Lake Country Disposal LLC | | Oil Operator | Jan 2024 |
| 48 | Lewis Oil Corp. | Stillwater, OK 74076 | Oil & Gas Operator | Dec 2023 |
| 49 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 50 | LX4 LLC | | Oil Operator | Jan 2024 |
| 51 | Mac Laskey Kelly Oilfield | El Dorado, KS 67042 | Oil & Gas Operator | Jan 2024 |
| 52 | Mack Energy Co. | Duncan, OK 73534 | Oil & Gas Operator | Dec 2023 |
| 53 | Masada Oil & Gas | Quanah, TX 79252 | Oil & Gas Operator | Apr 2024 |
| 54 | Mendell Petroleum Corporation | Castle Rock, CO 80104-9045 | Oil & Gas Operator | Sep 2004 |
| 55 | Mid-Con Central Expl Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2014 |
| 56 | Minor Mark | Alvarado, TX 76009-0151 | Oil Operator | Nov 2015 |
| 57 | Moore Richard L | Morris, OK 74445 | Oil Operator | Aug 2013 |
| 58 | Mud Operations Inc | Ames, OK 73718-9501 | Oil & Gas Operator | Jan 2024 |
| 59 | Nelson Exploration Corporation | | Oil & Gas Operator | Dec 2023 |
| 60 | Nemaha Environmental Services LLC | Enid, OK 73703 | Oil Operator | Dec 2023 |
| 61 | Oklahoma Liquid Resources Inc | Owasso, OK 74055-0841 | Oil & Gas Operator | Dec 2023 |
| 62 | Oklahoma Petroleum Allies LLC | Ardmore, OK 73401 | Oil Operator | Oct 2023 |
| 63 | Osterhout Phillip L | Drumright, OK 74030-0693 | Oil & Gas Operator | Jan 2014 |
| 64 | Panther Energy Company, LLC | Tulsa, OK 74103 | Oil & Gas Operator | May 2022 |
| 65 | Paramount Petroleum Corp | Dallas, TX 75374 | Oil Operator | Dec 2000 |
| 66 | Payne Exploration Company | Crescent, OK 73028-0502 | Oil & Gas Operator | Dec 2023 |
| 67 | PBT Enterprises Inc | Garber, OK 73738-0262 | Oil & Gas Operator | May 2023 |
| 68 | Pioneer Trucking LLC | Oklahoma City, OK 73162 | Oil Operator | Jan 2024 |
| 69 | Proven Reserves Management, Inc. | Dallas, TX 75370 | Oil & Gas Operator | Jan 2024 |
| 70 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2024 |
| 71 | Ratliff Operating Corp. | Amarillo, TX 79105 | Oil & Gas Operator | Apr 2024 |
| 72 | Red Bluff Resources Operating LLC | | Oil & Gas Operator | Dec 2023 |
| 73 | Red Hawk Disposal LLC | | Oil Operator | Jun 2023 |
| 74 | Red River Petroleum Inc | Tipton, OK 73570-0351 | Oil Operator | Jan 2024 |
| 75 | Riggins Energy Inc. | Vernon, TX 76385 | Oil & Gas Operator | Jul 2004 |
| 76 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 77 | Royale Energy Inc | San Diego, CA 92108-4518 | Oil & Gas Operator | Dec 2023 |
| 78 | Salty Dog Disposal LLC | | Oil Operator | Feb 2024 |
| 79 | Spring Operating Company | Edmond, OK 73083-2048 | Oil & Gas Operator | Jan 2024 |
| 80 | Statoil Oil & Gas LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2018 |
| 81 | Superior Saltwater Disposal LLC | | Oil & Gas Operator | Dec 2016 |
| 82 | T & S Mud Disposal LLC | Lindsay, OK 73052-0754 | Oil Operator | Mar 2013 |
| 83 | Tack Operating LLC | Oklahoma City, OK 73172-1492 | Oil & Gas Operator | Aug 2021 |
| 84 | Texas Energy Operations, LC | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2024 |
| 85 | Tiger Trucks Inc | Seminole, OK 74868 | Oil & Gas Operator | Jan 2024 |
| 86 | Tilford Pinson Exploration LLC | Edmond, OK 73003-5278 | Oil & Gas Operator | Jan 2024 |
| 87 | Tonys Crude Oil Reclaiming Plant Inc | | Oil Operator | Dec 2023 |
| 88 | Total Petroleum Inc | Denver, CO 80201-0500 | Oil & Gas Operator | Nov 2006 |
| 89 | Trio Operating Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2006 |
| 90 | Triple C Properties Inc | Seminole, OK 74818-0481 | Oil & Gas Operator | Jun 2023 |
| 91 | Trout Disposal Well Inc | Hammon, OK 73650-0292 | Oil & Gas Operator | Jul 2016 |
| 92 | Veenker Resources, Inc. | Oklahoma City, OK 73113 | Oil & Gas Operator | Jan 2024 |
| 93 | Vitol Inc | Houston, TX 77098 | Oil & Gas Operator | Sep 2023 |
| 94 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 95 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Apr 2024 |
| 96 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Jan 2024 |
| 97 | Westside Wells Inc | Altus, OK 73522-0077 | Oil & Gas Operator | Nov 2020 |
| 98 | Wharton Oil Co. | Vernon, TX 76384 | Oil & Gas Operator | Dec 2000 |
| 99 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 100 | Winston Oil Co | Marietta, OH 45750-754-754 | Oil & Gas Operator | Jan 2024 |