| 1 | Altex Energy Corporation | Oklahoma City, OK 73142-1920 | Oil & Gas Operator | Mar 2015 |
| 2 | Arapaho Petroleum Inc | Englewood, CO 80155 | Oil & Gas Operator | Nov 1998 |
| 3 | Arcotex Oil & Gas Inc | Gainesville, TX 76241-1357 | Oil & Gas Operator | Mar 2025 |
| 4 | Atlantic Richfield Company | Plano, TX 75074 | Oil & Gas Operator | Dec 2016 |
| 5 | B & B Tool Company Inc | Lindsay, OK 73052 | Oil & Gas Operator | Feb 2025 |
| 6 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Jan 2025 |
| 7 | Banner Oil & Gas LLC | Oklahoma City, OK 73159 | Oil & Gas Operator | Feb 2025 |
| 8 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | May 2025 |
| 9 | Bce-Mach LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2025 |
| 10 | Bee Cee Inc | Denton, TX 76206-0689 | Oil & Gas Operator | May 2013 |
| 11 | Billy Judd Investment Company | Ardmore, OK 73401-1095 | Oil & Gas Operator | Feb 2025 |
| 12 | Blue Devil Exploration LLC | Tulsa, OK 74103-4217 | Oil & Gas Operator | Jan 2024 |
| 13 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | May 2025 |
| 14 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2025 |
| 15 | Brady Energy Investments LLC | Healdton, OK 73438-0788 | Oil & Gas Operator | Feb 2025 |
| 16 | Brady William H | Healdton, OK 73438-0788 | Oil & Gas Operator | Mar 2025 |
| 17 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2025 |
| 18 | Brown L C Company | Ada, OK 74820-7916 | Oil & Gas Operator | Nov 2021 |
| 19 | Bullard Don W | Ardmore, OK 73401-3646 | Oil & Gas Operator | Dec 2019 |
| 20 | Bunyard Jerry L | Stroud, OK 74079 | Oil & Gas Operator | Oct 2024 |
| 21 | Capmac Inc | Tulsa, OK 74105-7119 | Oil & Gas Operator | Jan 2007 |
| 22 | Carter County Salt Water Disposal Inc | Wilson, OK 73463 | Oil Operator | Jan 2025 |
| 23 | Cathey Production Company | Ryan, OK 73565-0485 | Oil Operator | Dec 2010 |
| 24 | Chapman Oil Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
| 25 | Charter Oak Production Co LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | May 2025 |
| 26 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | May 2025 |
| 27 | Cimarex Energy Co. Of Colorado | Midland, TX 79706 | Oil & Gas Operator | May 2025 |
| 28 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | May 2025 |
| 29 | Coastal Plains Energy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2025 |
| 30 | Colonial Energy Company Inc | Garland, TN 75045 | Oil & Gas Operator | Apr 2015 |
| 31 | Cowboy Operating LLC | Oklahoma City, OK 73120 | Oil Operator | Feb 2025 |
| 32 | D & D Oil Company | Dayton, TX 77535 | Oil & Gas Operator | May 2025 |
| 33 | D & J Oil Company | Kermit, TX 79745 | Oil & Gas Operator | May 2025 |
| 34 | Dehart Company (The) | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2025 |
| 35 | Delta D Operations | Wilson, OK 73463 | Oil & Gas Operator | Jul 2014 |
| 36 | Delta D Operations Inc | Ardmore, OK 73401-8678 | Oil & Gas Operator | Apr 2014 |
| 37 | Dennis & Davis Oil Co. | Nocona, TX 76255 | Oil & Gas Operator | May 2025 |
| 38 | Dennis Don Oil Company | Grady, OK 73569-9998 | Oil Operator | Jan 2002 |
| 39 | Depco Inc. | Denver, CO 80202 | Oil & Gas Operator | Apr 2014 |
| 40 | Dorfs Drilling Company | Waurika, OK 73573 | Oil & Gas Operator | Nov 2024 |
| 41 | Edisto Resources Corp | Houston, TX 77057 | Oil & Gas Operator | Oct 1999 |
| 42 | Elite Tank Trucks, Inc | | Oil & Gas Operator | Mar 2025 |
| 43 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | May 2025 |
| 44 | Equal Energy Us Inc | Tulsa, OK 74103-4621 | Oil & Gas Operator | Nov 2019 |
| 45 | Esco Exploration, Inc | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 46 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | May 2025 |
| 47 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Feb 2025 |
| 48 | Fagan Engineering | Shawnee, OK 74801-3021 | Oil & Gas Operator | Oct 1994 |
| 49 | Fitzgerald Oil Company | Waurika, OK 73573 | Oil Operator | Mar 2025 |
| 50 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 51 | Forsythe Lawana | Wilson, OK 73463 | Oil Operator | Mar 2020 |
| 52 | Forsythe Trucking Inc | Wilson, OK 73463 | Oil & Gas Operator | Mar 2025 |
| 53 | Fred Oil Company | Comanche, OK 73529 | Oil & Gas Operator | Jun 2024 |
| 54 | G & S Production Company | Velma, OK 73491-0036 | Oil & Gas Operator | Oct 2021 |
| 55 | Gladiator Operating LLC | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2025 |
| 56 | GLB Exploration, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2025 |
| 57 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2025 |
| 58 | Hadco LTD | Ardmore, OK 73401-6929 | Oil & Gas Operator | Mar 2015 |
| 59 | Henderson Fred J | Okmulgee, OK 74447 | Oil & Gas Operator | Feb 2025 |
| 60 | His Energy Corporation Inc | Newcastle, OK 73065-1461 | Oil Operator | Feb 2018 |
| 61 | HMD Oil Co Inc | Ardmore, OK 73401-2542 | Oil & Gas Operator | Mar 2025 |
| 62 | Holden Energy Corporation | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2015 |
| 63 | Hooker Phil Oil Operator | | Oil Operator | Aug 1996 |
| 64 | Horizon Natural Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2019 |
| 65 | Itr Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 66 | J & S Oil Company | Graham, TX 76450 | Oil & Gas Operator | Apr 2022 |
| 67 | J D Sutton Inc | Loco, OK 73442-9701 | Oil & Gas Operator | Mar 2025 |
| 68 | Jack Oil Company | Baird, TX 79504 | Oil & Gas Operator | Mar 2025 |
| 69 | Jones Energy LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Feb 2025 |
| 70 | Jones, L. E. Production Co. | Duncan, OK 73534 | Oil & Gas Operator | Jul 2014 |
| 71 | K S & S Oil Company Inc | Terral, TX 73569-5056 | Oil Operator | Mar 2025 |
| 72 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | May 2025 |
| 73 | Keith F. Walker Oil & Gas Co., LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2025 |
| 74 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | May 2025 |
| 75 | Kerr-McGee Refining Corp | Oklahoma City, OK 73125 | Oil & Gas Operator | Jun 2007 |
| 76 | Kingfisher Resources Inc | Clinton, OK 73601 | Oil & Gas Operator | Mar 2025 |
| 77 | Kirkpatrick Oil Company | Nichols Hill, OK 73116 | Oil & Gas Operator | May 2025 |
| 78 | Klingensmith Fred T Etal | Sapulpa, OK 74066 | Oil & Gas Operator | Nov 2007 |
| 79 | Kodiak Oil & Gas Inc | Muenster, TX 76252 | Oil & Gas Operator | May 2025 |
| 80 | L E Jones Operating Inc | Duncan, OK 73534 | Oil & Gas Operator | Mar 2025 |
| 81 | Lakota Oil & Gas | Comanche, OK 73529-9602 | Oil & Gas Operator | May 2014 |
| 82 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Feb 2025 |
| 83 | Lamima Corporation | Ardmore, OK 73401 | Oil Operator | Nov 1994 |
| 84 | Laurco Energies,Inc | | Oil & Gas Operator | Oct 2024 |
| 85 | Lawrence Hot Oil Service | Loco, OK 73442 | Oil & Gas Operator | Mar 2025 |
| 86 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
| 87 | Lee Ron | Emory, TX 75440 | Oil Operator | Feb 2025 |
| 88 | Leonard Brothers Operating Co. | Fort Worth, TX 76101 | Oil & Gas Operator | May 2025 |
| 89 | Lewis Oil Operations LLC | Ratliff City, OK 73481 | Oil & Gas Operator | Feb 2025 |
| 90 | Linam Harry Dba Sooner State Production | Marlow, OK 73055-0583 | Oil & Gas Operator | Apr 2015 |
| 91 | LTJ Enterprises LLC | Lone Grove, OK 73443 | Oil & Gas Operator | Dec 2024 |
| 92 | M T W Oil Co | Terral, OK 73569 | Oil Operator | Jun 2014 |
| 93 | Markley Exploration | Bixby, OK 74008-5332 | Oil & Gas Operator | Jan 2014 |
| 94 | Markley L C Corporation | Fletcher, OK 73541 | Oil & Gas Operator | Aug 2002 |
| 95 | McQueen Ed & Company Inc | Lindsey, OK 73052 | Oil & Gas Operator | Apr 2014 |
| 96 | Metzner, Norma J. Estate | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 1998 |
| 97 | Milburn R Kenneth | Ardmore, OK 73402-1118 | Oil & Gas Operator | Sep 2014 |
| 98 | Mohawk Operating LLC | Oklahoma City, OK 73173-8907 | Gas Operator | Feb 2004 |
| 99 | Newkumet Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2020 |
| 100 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | May 2025 |