| 1 | 007 Operating LLC | | Oil & Gas Operator | Nov 2023 |
| 2 | A & A Tank Truck Company | Norman, OK 73070-8969 | Oil & Gas Operator | Jan 2024 |
| 3 | Aethon I LP | Dallas, TX 75206 | Oil & Gas Operator | Mar 2015 |
| 4 | Aker Oil & Gas Company | Tulsa, OK 74105-2216 | Oil & Gas Operator | Aug 2013 |
| 5 | Altman Energy, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Apr 2024 |
| 6 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 7 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Jan 2024 |
| 8 | Argent Energy (Us) Holdings Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Feb 2023 |
| 9 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Apr 2024 |
| 10 | Associated Trans & Trading Co | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 1998 |
| 11 | Atchley Resources Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Jan 2024 |
| 12 | B & B SWD LLC | | Oil Operator | Jan 2024 |
| 13 | B H & T Oil Company Inc | Purcell, OK 73080-3010 | Oil & Gas Operator | Dec 2000 |
| 14 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Apr 2024 |
| 15 | Baxter And Associates Inc | Ada, OK 74821-0906 | Oil & Gas Operator | Jan 2024 |
| 16 | Bays Exploration Inc | Oklahoma City, OK 73116-9004 | Oil & Gas Operator | Jan 2024 |
| 17 | Black Mesa Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 18 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 19 | Bryant D G And Company | Midlothian, TX 76065-3628 | Oil & Gas Operator | Nov 2023 |
| 20 | Butkin Oil Company | Duncan, OK 73534-2090 | Oil & Gas Operator | Sep 2021 |
| 21 | C & L Oil And Gas Corporation | Norman, OK 73069-8224 | Oil & Gas Operator | Jan 2024 |
| 22 | Cantrell Energy Corporation | Ada, OK 74820-0835 | Oil & Gas Operator | Jan 2024 |
| 23 | Canvas Energy LLC | Oklahoma City, OK 73142-1839 | Oil & Gas Operator | Jan 2024 |
| 24 | Capstone Oilfield Disposal Service LLC | Hennessey, OK 73742-0698 | Oil Operator | Dec 2019 |
| 25 | Central Ok Reclamation LLC | | Oil & Gas Operator | Jun 2014 |
| 26 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2024 |
| 27 | Chisum G H | Duncan, OK 73533 | Oil & Gas Operator | Dec 2010 |
| 28 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Apr 2024 |
| 29 | Cleveland Rod & Tracy | | Oil & Gas Operator | Jul 2023 |
| 30 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 31 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2024 |
| 32 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
| 33 | Cortez Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2016 |
| 34 | Crystal Energy Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Feb 2019 |
| 35 | D & B Operating LLC | | Oil Operator | Jan 2023 |
| 36 | D C Energy, Inc. | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2020 |
| 37 | D-Mil Production Inc | Argyle, TX 76226 | Oil & Gas Operator | Apr 2024 |
| 38 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
| 39 | Dallas Production, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 2021 |
| 40 | Dash Operating LLC | | Oil & Gas Operator | Dec 2023 |
| 41 | Dehart Company (The) | Ardmore, OK 73402-0907 | Oil & Gas Operator | Jan 2024 |
| 42 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
| 43 | Douglas Investments Inc | Saginaw, TX 76179-0148 | Oil Operator | Jan 2020 |
| 44 | Downhole Oil & Gas Tech LLC | Countyline, OK 73152-0027 | Oil Operator | Oct 2009 |
| 45 | Duncan Petroleum Corp | Velma, OK 73091 | Oil & Gas Operator | Oct 1991 |
| 46 | Eagle Creek Resources, LLC | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2022 |
| 47 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Jan 2024 |
| 48 | Energy Environment Inc | Holdenville, OK 74848-0765 | Oil & Gas Operator | Jul 2016 |
| 49 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Dec 2023 |
| 50 | Enerwest Trading Co LLC | Duncan, OK 73534 | Oil & Gas Operator | Dec 2023 |
| 51 | Esis Inc | | Oil & Gas Operator | Feb 2017 |
| 52 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Dec 2023 |
| 53 | Fairview Production Co LLC | Davis, OK 73030 | Oil & Gas Operator | Jan 2024 |
| 54 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 55 | Forsythe Trucking Inc | Wilson, OK 73463 | Oil & Gas Operator | Jan 2024 |
| 56 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
| 57 | Gadsco Inc | Ardmore, OK 73402 | Gas Operator | Jun 2013 |
| 58 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 59 | Good Vaughn Oil Company LLC | Enid, OK 73702-3744 | Oil & Gas Operator | Jun 2019 |
| 60 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Dec 2023 |
| 61 | H2ox Operating LLC | | Oil Operator | Jan 2024 |
| 62 | Hall Exploration, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2023 |
| 63 | Halliburton Oil Producing Co. | Duncan, OK 73534 | Oil & Gas Operator | Apr 2016 |
| 64 | Ham Oil Company, LLC | | Oil Operator | Sep 2022 |
| 65 | Heartlands Development Co Inc | Bristow, OK 74010-3826 | Oil & Gas Operator | May 2017 |
| 66 | High Sierra Crude Oil& Marketing LLC | Ardmore, OK 73401 | Oil Operator | Nov 2013 |
| 67 | Highmark Energy Operating, LLC | Poynor, TX 75782 | Oil & Gas Operator | Apr 2024 |
| 68 | Hooks Dwain | Tatums, OK 73487-0072 | Oil & Gas Operator | Dec 2023 |
| 69 | Hy-Carb Energy Inc | | Oil & Gas Operator | Feb 2009 |
| 70 | J & S Oil Company | Graham, TX 76450 | Oil & Gas Operator | Apr 2022 |
| 71 | Joe B Clifton Exploration Inc | Pauls Valley, OK 73075-1180 | Oil & Gas Operator | Apr 2022 |
| 72 | Jones, L. E. Production Co. | Duncan, OK 73534 | Oil & Gas Operator | Jul 2014 |
| 73 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2024 |
| 74 | Karper Oil & Gas Corporation | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 75 | Keith F. Walker Oil & Gas Co., LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2024 |
| 76 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Sep 2023 |
| 77 | Kerr-McGee Oil & Gas Onshore LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2017 |
| 78 | Klo LLC | Tulsa, OK 74120-2428 | Oil & Gas Operator | Jan 2024 |
| 79 | Kloberdanz, Paul E. | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2021 |
| 80 | Kybenco Disposals LLC | | Oil Operator | Sep 2022 |
| 81 | L E Jones Operating Inc | Duncan, OK 73534 | Oil & Gas Operator | Feb 2024 |
| 82 | Lake Country Disposal II LLC | | Oil Operator | Jan 2024 |
| 83 | Lake Country Disposal LLC | | Oil Operator | Jan 2024 |
| 84 | Latigo Drilling Corporation | Duncan, OK 73534-2150 | Oil & Gas Operator | Dec 2023 |
| 85 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
| 86 | Le Norman Partners LLC | Duncan, OK 73533-9523 | Oil & Gas Operator | Feb 2012 |
| 87 | Leeman Energy Corporation | Oklahoma City, OK 73118-1802 | Oil & Gas Operator | Mar 2015 |
| 88 | Lemley Oil Corporation | Sulphur, OK 73086-9316 | Oil & Gas Operator | Dec 2023 |
| 89 | Lewis Oil Operations LLC | Ratliff City, OK 73481-0220 | Oil & Gas Operator | Jan 2024 |
| 90 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 91 | Lobar Oil Co LLC | Oklahoma City, OK 73116-1516 | Oil & Gas Operator | Dec 2023 |
| 92 | London William W | Oklahoma City, OK 73116 | Oil & Gas Operator | Nov 2015 |
| 93 | London William W Inc | Oklahoma City, OK 73116-5116 | Oil & Gas Operator | Apr 2016 |
| 94 | LX4 LLC | | Oil Operator | Jan 2024 |
| 95 | Mac Laskey Kelly Oilfield | El Dorado, KS 67042 | Oil & Gas Operator | Jan 2024 |
| 96 | Masters Loy C | Davis, OK 73030-0397 | Oil & Gas Operator | Apr 2005 |
| 97 | Mendell Petroleum Corporation | Castle Rock, CO 80104-9045 | Oil & Gas Operator | Sep 2004 |
| 98 | Mid-Con Central Expl Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2014 |
| 99 | Miller Petroleum Company | Yukon, OK 73099-0452 | Oil & Gas Operator | Aug 2009 |
| 100 | Moore Richard L | Morris, OK 74445 | Oil Operator | Aug 2013 |