| 1 | 007 Operating LLC | Sulphur, OK 73086 | Oil & Gas Operator | May 2024 |
| 2 | Aethon I LP | Dallas, TX 75206 | Oil & Gas Operator | Mar 2015 |
| 3 | Aker Oil & Gas Company | Tulsa, OK 74105-2216 | Oil & Gas Operator | Aug 2013 |
| 4 | Altman Energy, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Sep 2024 |
| 5 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Sep 2024 |
| 6 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Jun 2024 |
| 7 | Argent Energy (Us) Holdings Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Feb 2023 |
| 8 | Associated Trans & Trading Co | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 1998 |
| 9 | Atchley Resources, Inc. | Oklahoma City, OK 73134 | Oil & Gas Operator | Jun 2024 |
| 10 | B H & T Oil Company Inc | Purcell, OK 73080-3010 | Oil & Gas Operator | Dec 2000 |
| 11 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Sep 2024 |
| 12 | Baxter And Associates Inc | Ada, OK 74820 | Oil & Gas Operator | Jun 2024 |
| 13 | Bays Exploration Inc | Oklahoma City, OK 73116-9004 | Oil & Gas Operator | Jun 2024 |
| 14 | Black Mesa Energy LLC | Tulsa, OK 74103-4334 | Oil & Gas Operator | Jun 2024 |
| 15 | Bryant D G And Company | Midlothian, TX 76065-3628 | Oil & Gas Operator | Apr 2024 |
| 16 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2024 |
| 17 | Butkin Oil Company | Duncan, OK 73534-2090 | Oil & Gas Operator | Sep 2021 |
| 18 | Cantrell Energy Corporation | Ada, OK 74820-0835 | Oil & Gas Operator | Jun 2024 |
| 19 | Canvas Energy LLC | Oklahoma City, OK 73142-1839 | Oil & Gas Operator | Jun 2024 |
| 20 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Sep 2024 |
| 21 | Chisum G H | Duncan, OK 73533 | Oil & Gas Operator | Dec 2010 |
| 22 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Sep 2024 |
| 23 | Cleveland Rod & Tracy | Elmore City, OK 73433-9467 | Oil & Gas Operator | Jul 2023 |
| 24 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 25 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Sep 2024 |
| 26 | Cortez Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2016 |
| 27 | Crystal Energy Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Feb 2019 |
| 28 | D C Energy, Inc. | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2020 |
| 29 | D-Mil Production Inc | Argyle, TX 76226 | Oil & Gas Operator | Sep 2024 |
| 30 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Sep 2024 |
| 31 | Dallas Production, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 2021 |
| 32 | Dash Operating LLC | Oklahoma City, OK 73118-5031 | Oil & Gas Operator | May 2024 |
| 33 | Dehart Company (The) | Ardmore, OK 73402 | Oil & Gas Operator | Jun 2024 |
| 34 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
| 35 | Douglas Investments Inc | Fort Worth, TX 76137 | Oil Operator | Jan 2020 |
| 36 | Downhole Oil & Gas Tech LLC | Countyline, OK 73152-0027 | Oil Operator | Oct 2009 |
| 37 | Duncan Petroleum Corp | Velma, OK 73091 | Oil & Gas Operator | Oct 1991 |
| 38 | Eagle Creek Resources, LLC | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2023 |
| 39 | Elite Tank Trucks, Inc | | Oil & Gas Operator | Jun 2024 |
| 40 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Jun 2024 |
| 41 | Energy Environment Inc | Holdenville, OK 74848-0765 | Oil & Gas Operator | Jul 2016 |
| 42 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jun 2024 |
| 43 | Enerwest Trading Co LLC | Duncan, OK 73534 | Oil & Gas Operator | May 2024 |
| 44 | Esis Inc | | Oil & Gas Operator | Feb 2017 |
| 45 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | May 2024 |
| 46 | Fairview Production Co LLC | Davis, OK 73030 | Oil & Gas Operator | Jun 2024 |
| 47 | Forsythe Trucking Inc | Wilson, OK 73463 | Oil & Gas Operator | May 2024 |
| 48 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
| 49 | Gadsco Inc | Ardmore, OK 73402 | Gas Operator | Jun 2013 |
| 50 | Good Vaughn Oil Company LLC | Enid, OK 73702-3744 | Oil & Gas Operator | Jun 2019 |
| 51 | Hall Exploration, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | May 2024 |
| 52 | Halliburton Oil Producing Co. | Duncan, OK 73534 | Oil & Gas Operator | Apr 2016 |
| 53 | Highmark Energy Operating, LLC | Poynor, TX 75782 | Oil & Gas Operator | Sep 2024 |
| 54 | Hooks Dwain | Tatums, OK 73487 | Oil & Gas Operator | Apr 2024 |
| 55 | J & S Oil Company | Graham, TX 76450 | Oil & Gas Operator | Apr 2022 |
| 56 | Joe B Clifton Exploration Inc | Pauls Valley, OK 73075 | Oil & Gas Operator | Apr 2022 |
| 57 | Jones, L. E. Production Co. | Duncan, OK 73534 | Oil & Gas Operator | Jul 2014 |
| 58 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Sep 2024 |
| 59 | Karper Oil & Gas Corporation | Graham, TX 76450 | Oil & Gas Operator | Sep 2024 |
| 60 | Keith F. Walker Oil & Gas Co., LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jun 2024 |
| 61 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Apr 2024 |
| 62 | Kerr-McGee Oil & Gas Onshore LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2017 |
| 63 | Klo LLC | Tulsa, OK 74120-2428 | Oil & Gas Operator | Jun 2024 |
| 64 | Kloberdanz, Paul E. | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2021 |
| 65 | L E Jones Operating Inc | Duncan, OK 73534 | Oil & Gas Operator | Jun 2024 |
| 66 | Latigo Drilling Corporation | Duncan, OK 73533 | Oil & Gas Operator | May 2024 |
| 67 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
| 68 | Le Norman Partners LLC | Duncan, OK 73533-9523 | Oil & Gas Operator | Feb 2012 |
| 69 | Leeman Energy Corporation | Oklahoma City, OK 73118-1802 | Oil & Gas Operator | Mar 2015 |
| 70 | Lemley Oil Corporation | Sulphur, OK 73086-9316 | Oil & Gas Operator | Jun 2024 |
| 71 | Lewis Oil Operations LLC | Ratliff City, OK 73481 | Oil & Gas Operator | May 2024 |
| 72 | Lobar Oil Co LLC | Oklahoma City, OK 73116-1516 | Oil & Gas Operator | May 2024 |
| 73 | London William W | Oklahoma City, OK 73116 | Oil & Gas Operator | Nov 2015 |
| 74 | London William W Inc | Oklahoma City, OK 73116-5116 | Oil & Gas Operator | Apr 2016 |
| 75 | Masters Loy C | Davis, OK 73030-0397 | Oil & Gas Operator | Apr 2005 |
| 76 | Miller Petroleum Company | Yukon, OK 73099-0452 | Oil & Gas Operator | Aug 2009 |
| 77 | Nadel And Gussman, L.L.C. | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2024 |
| 78 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Sep 2024 |
| 79 | Noble Energy Production Inc | Houston, TX 77067 | Oil & Gas Operator | Sep 2024 |
| 80 | Northwest Oil Company | Dallas, TX 75204 | Oil & Gas Operator | Jun 2014 |
| 81 | O'Neal Oil & Gas Co | Fort Worth, TX 76107-1479 | Oil & Gas Operator | Jun 2024 |
| 82 | Oak Resources Inc | Tulsa, OK 74153 | Oil & Gas Operator | Aug 2013 |
| 83 | Oklahoma Oil Tactics Inc | Edmond, OK 73003-1351 | Oil & Gas Operator | Mar 2015 |
| 84 | Oklahoma Petroleum Allies LLC | Ardmore, OK 73401 | Oil Operator | Oct 2023 |
| 85 | Oneok Resources Company | Tulsa, OK 74102 | Oil & Gas Operator | Feb 2017 |
| 86 | Oryx Crude Trading & Transporation LP | Dallas, TX 75221 | Oil & Gas Operator | Jun 1999 |
| 87 | Patina Oil & Gas Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2016 |
| 88 | Patina Oklahoma Corp | Duncan, OK 73533-9523 | Oil & Gas Operator | Nov 2014 |
| 89 | Pet-Ex, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2024 |
| 90 | Plains Liquids Transport Inc | Houston, TX 77002 | Oil & Gas Operator | May 1996 |
| 91 | Quantum Resources Management LLC | Houston, TX 77010 | Oil & Gas Operator | May 2024 |
| 92 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Sep 2024 |
| 93 | Raizen Oil Company | Velma, OK 73091 | Oil & Gas Operator | Feb 2016 |
| 94 | Ranken Energy Corporation | Edmond, OK 73013 | Oil & Gas Operator | Jun 2024 |
| 95 | Revilo Exploration, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Jul 2021 |
| 96 | Richard W Thompson Inc | Plano, TX 75075 | Oil & Gas Operator | Jul 2019 |
| 97 | Rox Exploration Inc | Norman, OK 73069-6301 | Oil & Gas Operator | Jun 2024 |
| 98 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
| 99 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | May 2024 |
| 100 | Santa Fe Energy Operating Partner LP | Midland, TX 79701 | Oil & Gas Operator | Sep 2004 |