| 1 | A & A Tank Truck Company | Norman, OK 73070-8969 | Oil & Gas Operator | Jan 2024 |
| 2 | Abundance Energy I LLC | | Gas Operator | Dec 2023 |
| 3 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 4 | Ancova Energy Marketing LLC | | Oil & Gas Operator | Dec 2023 |
| 5 | Antero Resources Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 6 | Aquila Energy Resources Corp. | Houston, TX 77042 | Oil & Gas Operator | Nov 2013 |
| 7 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Apr 2024 |
| 8 | B & B SWD LLC | | Oil Operator | Jan 2024 |
| 9 | Blackbeard Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
| 10 | Blue Water Resources LLC | | Oil & Gas Operator | Dec 2023 |
| 11 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 12 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 13 | Bravo Arkoma LLC | | Oil & Gas Operator | Dec 2023 |
| 14 | BRG Petroleum LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 15 | Brighton Energy LLC | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
| 16 | Burlington Res Oil & Gas LP | | Oil & Gas Operator | Dec 2023 |
| 17 | C & L Oil And Gas Corporation | Norman, OK 73069-8224 | Oil & Gas Operator | Jan 2024 |
| 18 | Canyon Creek Energy Arkoma LLC | | Oil & Gas Operator | Jan 2024 |
| 19 | Canyon Creek Energy Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 20 | Capstone Oilfield Disposal Service LLC | Hennessey, OK 73742-0698 | Oil Operator | Dec 2019 |
| 21 | Castlerock Resources Inc | Oklahoma City, OK 73116-3710 | Oil & Gas Operator | Jul 2020 |
| 22 | Central Ok Reclamation LLC | | Oil & Gas Operator | Jun 2014 |
| 23 | Chesapeake Energy MKT Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2022 |
| 24 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2024 |
| 25 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 26 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2024 |
| 27 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
| 28 | Crawley Petroleum Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2024 |
| 29 | Crescent Oil Energies Corp | Crescent, OK 73028 | Oil & Gas Operator | Jun 1997 |
| 30 | Crude Marketing & Trans Inc | Tulsa, OK 74159 | Oil & Gas Operator | Sep 2017 |
| 31 | D & B Operating LLC | | Oil Operator | Jan 2023 |
| 32 | D-Pex Operating Company | | Oil & Gas Operator | Sep 2004 |
| 33 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
| 34 | Dorchester Resources LP | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2021 |
| 35 | Eagle Gas Marketing Co | Oklahoma City, OK 73114-2202 | Oil & Gas Operator | Nov 2022 |
| 36 | Energas Corporation | Oklahoma City, OK 73105-6422 | Oil & Gas Operator | Dec 2023 |
| 37 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 38 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
| 39 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 40 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 41 | Four North Inc | Atoka, OK 74525 | Oil Operator | Feb 2004 |
| 42 | G & S Energy Inc | Bangs, TX 76823 | Oil & Gas Operator | Dec 2023 |
| 43 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 44 | Gla Inc | Norman, OK 73070 | Oil & Gas Operator | Dec 2023 |
| 45 | Gothic Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2015 |
| 46 | Gothic Production Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2016 |
| 47 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Dec 2023 |
| 48 | Grizzly Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Jan 2024 |
| 49 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2024 |
| 50 | Gulf Production Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2015 |
| 51 | H2ox Operating LLC | | Oil Operator | Jan 2024 |
| 52 | Ham Oil Company, LLC | | Oil Operator | Sep 2022 |
| 53 | Heartlands Development Co Inc | Bristow, OK 74010-3826 | Oil & Gas Operator | May 2017 |
| 54 | High Sierra Crude Oil& Marketing LLC | Ardmore, OK 73401 | Oil Operator | Nov 2013 |
| 55 | Hunt Brothers Producing Co Inc | Redding, CA 96049-2516 | Oil & Gas Operator | Sep 2012 |
| 56 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Apr 2024 |
| 57 | Hy-Carb Energy Inc | | Oil & Gas Operator | Feb 2009 |
| 58 | Jones Energy LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2023 |
| 59 | Kal Energy Inc | Oklahoma City, OK 73116-3606 | Oil Operator | Nov 2014 |
| 60 | Kybenco Disposals LLC | | Oil Operator | Sep 2022 |
| 61 | Lake Country Disposal II LLC | | Oil Operator | Jan 2024 |
| 62 | Lake Country Disposal LLC | | Oil Operator | Jan 2024 |
| 63 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 64 | Longfellow Energy, LP | Dallas, TX 75225 | Oil & Gas Operator | Apr 2024 |
| 65 | LX4 LLC | | Oil Operator | Jan 2024 |
| 66 | Mac Laskey Kelly Oilfield | El Dorado, KS 67042 | Oil & Gas Operator | Jan 2024 |
| 67 | Meade Energy Corporation | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | Jan 2024 |
| 68 | Mendell Petroleum Corporation | Castle Rock, CO 80104-9045 | Oil & Gas Operator | Sep 2004 |
| 69 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Apr 2024 |
| 70 | Mid-Con Central Expl Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2014 |
| 71 | Moore Richard L | Morris, OK 74445 | Oil Operator | Aug 2013 |
| 72 | Mud Operations Inc | Ames, OK 73718-9501 | Oil & Gas Operator | Jan 2024 |
| 73 | Muras Energy, Inc. | Edmond, OK 73013 | Oil & Gas Operator | Dec 2023 |
| 74 | Nelson Exploration Corporation | | Oil & Gas Operator | Dec 2023 |
| 75 | Nemaha Environmental Services LLC | Enid, OK 73703 | Oil Operator | Dec 2023 |
| 76 | Njre Operating Company | Tulsa, OK 74119 | Gas Operator | Dec 2016 |
| 77 | Oklahoma Liquid Resources Inc | Owasso, OK 74055-0841 | Oil & Gas Operator | Dec 2023 |
| 78 | Oklahoma Petroleum Allies LLC | Ardmore, OK 73401 | Oil Operator | Oct 2023 |
| 79 | Ovintiv Mid-Continent Inc. | The Woodlands, TX 77380-2764 | Oil & Gas Operator | Jan 2024 |
| 80 | Pablo Energy II, LLC | Amarillo, TX 79105 | Oil & Gas Operator | Apr 2024 |
| 81 | Paramount Petroleum Corp | Dallas, TX 75374 | Oil Operator | Dec 2000 |
| 82 | PBT Enterprises Inc | Garber, OK 73738-0262 | Oil & Gas Operator | May 2023 |
| 83 | Petro-Haley | Borger, TX 79008 | Oil & Gas Operator | Apr 2024 |
| 84 | Proven Reserves Management, Inc. | Dallas, TX 75370 | Oil & Gas Operator | Jan 2024 |
| 85 | Quench Oil & Gas Inc | Plano, TX 75075-2902 | Oil & Gas Operator | Apr 2009 |
| 86 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2024 |
| 87 | Red Hawk Disposal LLC | | Oil Operator | Jun 2023 |
| 88 | Riley Exploration Operating Co LLC | | Gas Operator | Jun 2017 |
| 89 | Rockwall Marketing Corporation | Benbrook, TX 76126 | Oil & Gas Operator | Dec 2007 |
| 90 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 91 | Salty Dog Disposal LLC | | Oil Operator | Feb 2024 |
| 92 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
| 93 | Sedna Energy LLC | Blanchard, OK 73010-8043 | Gas Operator | Apr 2017 |
| 94 | Sellmeyer Frank | San Rafael, CA 94901-1339 | Oil Operator | Dec 2014 |
| 95 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Apr 2024 |
| 96 | Sparta Energy LLC | Edmond, OK 73083-8158 | Oil & Gas Operator | May 2020 |
| 97 | Spring Operating Company | Edmond, OK 73083-2048 | Oil & Gas Operator | Jan 2024 |
| 98 | Sunoco Partners MKT & Terminal | Tulsa, OK 74102-2039 | Oil & Gas Operator | Jan 2019 |
| 99 | Superior Saltwater Disposal LLC | | Oil & Gas Operator | Dec 2016 |
| 100 | Survivor Oil Inc | Tulsa, OK 74133 | Oil & Gas Operator | Sep 2007 |