| 1 | A & A Tank Truck Company | Norman, OK 73070-8969 | Oil & Gas Operator | Jan 2024 |
| 2 | Altex Energy Corporation | Oklahoma City, OK 73142-1920 | Oil & Gas Operator | Mar 2015 |
| 3 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 4 | Arapaho Petroleum Inc | Englewood, CO 80155 | Oil & Gas Operator | Nov 1998 |
| 5 | Arcotex Oil & Gas Inc | Gainesville, TX 76241-1357 | Oil & Gas Operator | Jan 2024 |
| 6 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Apr 2024 |
| 7 | Atlantic Richfield Company | Plano, TX 75094-1744 | Oil & Gas Operator | Dec 2016 |
| 8 | B & B SWD LLC | | Oil Operator | Jan 2024 |
| 9 | B & B Tool Company Inc | Lindsay, OK 73052-0729 | Oil & Gas Operator | Dec 2023 |
| 10 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Jan 2024 |
| 11 | Banner Oil & Gas LLC | Oklahoma City, OK 73159 | Oil & Gas Operator | Jan 2024 |
| 12 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2024 |
| 13 | Bce-Mach LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jan 2024 |
| 14 | Bee Cee Inc | Denton, TX 76206-0689 | Oil & Gas Operator | May 2013 |
| 15 | Billy Judd Investment Company | Ardmore, OK 73401-1095 | Oil & Gas Operator | Dec 2023 |
| 16 | Blue Devil Exploration LLC | | Oil & Gas Operator | Jan 2024 |
| 17 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Apr 2024 |
| 18 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 19 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 20 | Brady Energy Investments LLC | | Oil & Gas Operator | Jan 2024 |
| 21 | Brady William H | Healdton, OK 73438-0788 | Oil & Gas Operator | Jan 2024 |
| 22 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 23 | Brown L C Company | Ada, OK 74820-7916 | Oil & Gas Operator | Nov 2021 |
| 24 | Bullard Don W | Ardmore, OK 73401-3646 | Oil & Gas Operator | Dec 2019 |
| 25 | Bunyard Jerry L | Stroud, OK 74079-9705 | Oil & Gas Operator | Dec 2023 |
| 26 | C & L Oil And Gas Corporation | Norman, OK 73069-8224 | Oil & Gas Operator | Jan 2024 |
| 27 | Capmac Inc | Tulsa, OK 74105-7119 | Oil & Gas Operator | Jan 2007 |
| 28 | Capstone Oilfield Disposal Service LLC | Hennessey, OK 73742-0698 | Oil Operator | Dec 2019 |
| 29 | Carter County Salt Water Disposal Inc | Wilson, OK 73463-0028 | Oil Operator | Dec 2023 |
| 30 | Cathey Production Company | Ryan, OK 73565-0485 | Oil Operator | Dec 2010 |
| 31 | Central Ok Reclamation LLC | | Oil & Gas Operator | Jun 2014 |
| 32 | Chapman Oil Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2024 |
| 33 | Charter Oak Production Co LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2024 |
| 34 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 35 | Cimarex Energy Co. Of Colorado | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 36 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Apr 2024 |
| 37 | Coastal Plains Energy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Apr 2024 |
| 38 | Colonial Energy Company Inc | Garland, TN 75045 | Oil & Gas Operator | Apr 2015 |
| 39 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2024 |
| 40 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
| 41 | Cowboy Operating LLC | | Oil Operator | Dec 2023 |
| 42 | Crude Marketing & Trans Inc | Tulsa, OK 74159 | Oil & Gas Operator | Sep 2017 |
| 43 | D & B Operating LLC | | Oil Operator | Jan 2023 |
| 44 | D & D Oil Company | Dayton, TX 77535 | Oil & Gas Operator | Apr 2024 |
| 45 | D & J Oil Co | Kermit, TX 79745 | Oil & Gas Operator | Apr 2024 |
| 46 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
| 47 | Dehart Company (The) | Ardmore, OK 73402-0907 | Oil & Gas Operator | Jan 2024 |
| 48 | Delta D Operations | Wilson, OK 73463 | Oil & Gas Operator | Jul 2014 |
| 49 | Delta D Operations Inc | Ardmore, OK 73401-8678 | Oil & Gas Operator | Apr 2014 |
| 50 | Dennis & Davis Oil Co | Nocona, TX 76255 | Oil & Gas Operator | Apr 2024 |
| 51 | Dennis Don Oil Company | Grady, OK 73569-9998 | Oil Operator | Jan 2002 |
| 52 | Depco Inc. | Denver, CO 80202 | Oil & Gas Operator | Apr 2014 |
| 53 | Dorfs Drilling Company | Waurika, OK 73573-0278 | Oil & Gas Operator | Jan 2024 |
| 54 | Double R Operations | Terral, OK 73569-5021 | Oil Operator | Dec 2014 |
| 55 | Dunn'S Tank Service Inc | Fox, OK 73435-0232 | Oil Operator | Sep 2014 |
| 56 | Edisto Resources Corp | Houston, TX 77057 | Oil & Gas Operator | Oct 1999 |
| 57 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 58 | Enerwest Trading Co LLC | Duncan, OK 73534 | Oil & Gas Operator | Dec 2023 |
| 59 | Equal Energy Us Inc | | Oil & Gas Operator | Nov 2019 |
| 60 | Esco Exploration, Inc | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 61 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
| 62 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Mar 2024 |
| 63 | Fagan Engineering | Shawnee, OK 74801-3021 | Oil & Gas Operator | Oct 1994 |
| 64 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 65 | Fitzgerald & Dennis | | Oil & Gas Operator | Apr 2014 |
| 66 | Fitzgerald Oil Company | Waurika, OK 73573-0278 | Oil Operator | Jan 2024 |
| 67 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 68 | Forsythe Lawana | Wilson, OK 73463-0438 | Oil Operator | Mar 2020 |
| 69 | Forsythe Trucking Inc | Wilson, OK 73463 | Oil & Gas Operator | Jan 2024 |
| 70 | Fred Oil Company | Comanche, OK 73529-8208 | Oil & Gas Operator | Sep 2023 |
| 71 | G & S Production Company | Velma, OK 73491-0036 | Oil & Gas Operator | Oct 2021 |
| 72 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 73 | Gladiator Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 74 | GLB Exploration, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2024 |
| 75 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Dec 2023 |
| 76 | Gulf Coast Fuel Resources LLC | Kingwood, TX 77339 | Oil Operator | Jan 2022 |
| 77 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2024 |
| 78 | H2ox Operating LLC | | Oil Operator | Jan 2024 |
| 79 | Hadco LTD | Ardmore, OK 73401-6929 | Oil & Gas Operator | Mar 2015 |
| 80 | Ham Oil Company, LLC | | Oil Operator | Sep 2022 |
| 81 | Heartlands Development Co Inc | Bristow, OK 74010-3826 | Oil & Gas Operator | May 2017 |
| 82 | High Sierra Crude Oil& Marketing LLC | Ardmore, OK 73401 | Oil Operator | Nov 2013 |
| 83 | His Energy Corporation Inc | Newcastle, OK 73065-1461 | Oil Operator | Feb 2018 |
| 84 | HMD Oil Co Inc | | Oil & Gas Operator | Jan 2024 |
| 85 | Holden Energy Corporation | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2015 |
| 86 | Hooker Phil Oil Operator | | Oil Operator | Aug 1996 |
| 87 | Horizon Natural Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2019 |
| 88 | Hy-Carb Energy Inc | | Oil & Gas Operator | Feb 2009 |
| 89 | Itr Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 90 | J & S Oil Company | Graham, TX 76450 | Oil & Gas Operator | Apr 2022 |
| 91 | J D Sutton Inc | Loco, OK 73442-9701 | Oil & Gas Operator | Jan 2024 |
| 92 | Jack Oil Company | Baird, TX 79504 | Oil & Gas Operator | Jan 2024 |
| 93 | Jones Energy LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2023 |
| 94 | Jones, L. E. Production Co. | Duncan, OK 73534 | Oil & Gas Operator | Jul 2014 |
| 95 | K S & S Oil Company Inc | Terral, TX 73569-5056 | Oil Operator | Jan 2024 |
| 96 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2024 |
| 97 | Keith F. Walker Oil & Gas Co., LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2024 |
| 98 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
| 99 | Kerr-McGee Refining Corp | Oklahoma City, OK 73125 | Oil & Gas Operator | Jun 2007 |
| 100 | Kingfisher Resources Inc | Clinton, OK 73601-1237 | Oil & Gas Operator | Jan 2024 |