| 1 | A & A Tank Truck Company | Norman, OK 73070-8969 | Oil & Gas Operator | Jan 2024 |
| 2 | Ac Operating Company LLC | | Oil Operator | Jan 2024 |
| 3 | Agar & Agar Inc | Norman, OK 73070 | Oil & Gas Operator | Oct 1996 |
| 4 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 5 | Anderson Oil Company | Burkburnett, TX 76354 | Oil & Gas Operator | Dec 2015 |
| 6 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Apr 2024 |
| 7 | Atchley Resources Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Jan 2024 |
| 8 | B & B SWD LLC | | Oil Operator | Jan 2024 |
| 9 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 10 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2023 |
| 11 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 12 | C & L Oil And Gas Corporation | Norman, OK 73069-8224 | Oil & Gas Operator | Jan 2024 |
| 13 | Cal-Tex Operating Co. | Manchaca, TX 78652 | Oil & Gas Operator | May 2020 |
| 14 | Capstone Oilfield Disposal Service LLC | Hennessey, OK 73742-0698 | Oil Operator | Dec 2019 |
| 15 | Casillas Operating LLC | | Oil & Gas Operator | Dec 2023 |
| 16 | Cassidy Jr John | Stroud, OK 74079-0200 | Oil & Gas Operator | Nov 2014 |
| 17 | Central Ok Reclamation LLC | | Oil & Gas Operator | Jun 2014 |
| 18 | Chanze Oil Co., Inc. | Ocate, NM 87734 | Oil & Gas Operator | Apr 2024 |
| 19 | Clark Operating Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 20 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2024 |
| 21 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
| 22 | D & B Operating LLC | | Oil Operator | Jan 2023 |
| 23 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
| 24 | Deka Exploration Inc | Oklahoma City, OK 73113-0057 | Oil & Gas Operator | Nov 2019 |
| 25 | Discover Resources | Norman, OK 73070 | Oil & Gas Operator | Jan 2011 |
| 26 | Discover Resources LLC | Norman, OK 73072-2310 | Oil & Gas Operator | Jan 2024 |
| 27 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 28 | EP Operating LP | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 29 | Felty Drilling Co Inc | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2024 |
| 30 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 31 | Forte Energy Corpration | Houston, TX 77024-1209 | Oil & Gas Operator | Jan 1995 |
| 32 | Fulcrum Exploration LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Jan 2024 |
| 33 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 34 | Gladiator Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 35 | GLB Exploration, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2024 |
| 36 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Dec 2023 |
| 37 | H2ox Operating LLC | | Oil Operator | Jan 2024 |
| 38 | Halcon Holdings Inc | Ada, OK 74820 | Oil & Gas Operator | Nov 2018 |
| 39 | Ham Oil Company, LLC | | Oil Operator | Sep 2022 |
| 40 | Heartlands Development Co Inc | Bristow, OK 74010-3826 | Oil & Gas Operator | May 2017 |
| 41 | Helton Oil Company | Edmond, OK 73083-7283 | Oil & Gas Operator | Aug 2016 |
| 42 | Henderson Don Inc | Oklahoma City, OK 73134-1753 | Oil & Gas Operator | Aug 2013 |
| 43 | Henderson Fred J | Okmulgee, OK 74447-9204 | Oil & Gas Operator | Jan 2024 |
| 44 | High Sierra Crude Oil& Marketing LLC | Ardmore, OK 73401 | Oil Operator | Nov 2013 |
| 45 | Holden Energy Corporation | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2015 |
| 46 | Hy-Carb Energy Inc | | Oil & Gas Operator | Feb 2009 |
| 47 | J & E Energy Company | Oklahoma City, OK 73120-1108 | Oil & Gas Operator | Mar 2015 |
| 48 | J B Energy, Inc. | Denton, TX 76206 | Oil & Gas Operator | Aug 2018 |
| 49 | Kadane Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 1998 |
| 50 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2024 |
| 51 | Kuran Resources Inc | | Oil Operator | Jul 2021 |
| 52 | Kybenco Disposals LLC | | Oil Operator | Sep 2022 |
| 53 | Lake Country Disposal II LLC | | Oil Operator | Jan 2024 |
| 54 | Lake Country Disposal LLC | | Oil Operator | Jan 2024 |
| 55 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 56 | LX4 LLC | | Oil Operator | Jan 2024 |
| 57 | Mac Laskey Kelly Oilfield | El Dorado, KS 67042 | Oil & Gas Operator | Jan 2024 |
| 58 | Meadowbrook Oil Corporation Of Ok Inc | Del City, OK 73115-3608 | Oil & Gas Operator | Jan 2024 |
| 59 | Mendell Petroleum Corporation | Castle Rock, CO 80104-9045 | Oil & Gas Operator | Sep 2004 |
| 60 | Mid-Con Central Expl Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2014 |
| 61 | Moore Richard L | Morris, OK 74445 | Oil Operator | Aug 2013 |
| 62 | Mud Operations Inc | Ames, OK 73718-9501 | Oil & Gas Operator | Jan 2024 |
| 63 | Nelson Exploration Corporation | | Oil & Gas Operator | Dec 2023 |
| 64 | Nemaha Environmental Services LLC | Enid, OK 73703 | Oil Operator | Dec 2023 |
| 65 | Newkumet Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2020 |
| 66 | Northbrook Oil & Gas Co LLC | Norman, OK 73072 | Oil & Gas Operator | Nov 2014 |
| 67 | Oklahoma Liquid Resources Inc | Owasso, OK 74055-0841 | Oil & Gas Operator | Dec 2023 |
| 68 | Oklahoma Petroleum Allies LLC | Ardmore, OK 73401 | Oil Operator | Oct 2023 |
| 69 | Okt Petroleum Company Inc | Oklahoma City, OK 73118-7425 | Oil & Gas Operator | Oct 2013 |
| 70 | Ole Crow Operating | Wichita Falls, TX 76308-0072 | Oil Operator | Jan 2024 |
| 71 | Ovintiv Mid-Continent Inc. | The Woodlands, TX 77380-2764 | Oil & Gas Operator | Jan 2024 |
| 72 | Paramount Petroleum Corp | Dallas, TX 75374 | Oil Operator | Dec 2000 |
| 73 | PBT Enterprises Inc | Garber, OK 73738-0262 | Oil & Gas Operator | May 2023 |
| 74 | Phoenix Production Inc | Burneyville, OK 73430-2158 | Oil & Gas Operator | Dec 2023 |
| 75 | Prince Brothers Drilling Co | Electra, TX 76360 | Oil & Gas Operator | Apr 2015 |
| 76 | Proven Reserves Management, Inc. | Dallas, TX 75370 | Oil & Gas Operator | Jan 2024 |
| 77 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2024 |
| 78 | Ramco Oil & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 79 | Red Hawk Disposal LLC | | Oil Operator | Jun 2023 |
| 80 | Red River Petroleum Inc | Tipton, OK 73570-0351 | Oil Operator | Jan 2024 |
| 81 | Ridge Petroleum Inc. | Tyler, TX 75701 | Oil & Gas Operator | Apr 2024 |
| 82 | Riggins Energy Inc. | Vernon, TX 76385 | Oil & Gas Operator | Jul 2004 |
| 83 | Ronco Energy Resources Inc | Norman, OK 73072 | Oil & Gas Operator | Apr 2015 |
| 84 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 85 | Salty Dog Disposal LLC | | Oil Operator | Feb 2024 |
| 86 | Schmid Properties Inc | Hico, TX 76457 | Oil & Gas Operator | Apr 2024 |
| 87 | Short W D Revocable Trust | Oxford, KS 67119-0729 | Oil & Gas Operator | Mar 2015 |
| 88 | Slawson Exploration Company Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2024 |
| 89 | Spring Operating Company | Edmond, OK 73083-2048 | Oil & Gas Operator | Jan 2024 |
| 90 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 91 | Sun Refining & Marketing | Philadelphia, PA 19103 | Oil & Gas Operator | Jul 2015 |
| 92 | Sunoco Partners MKT & Terminal | Tulsa, OK 74102-2039 | Oil & Gas Operator | Jan 2019 |
| 93 | Superior Saltwater Disposal LLC | | Oil & Gas Operator | Dec 2016 |
| 94 | Swanson, Tommy Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Mar 2017 |
| 95 | T & S Mud Disposal LLC | Lindsay, OK 73052-0754 | Oil Operator | Mar 2013 |
| 96 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | Dec 2023 |
| 97 | Texican Crude & Hydrocarbons LLC | Houston, TX 77002 | Oil Operator | Sep 2023 |
| 98 | The Quintin Little Company Inc | Ardmore, OK 73402-1509 | Oil & Gas Operator | Jan 2024 |
| 99 | Tiger Eye Resources LLC | | Oil Operator | Oct 2012 |
| 100 | Tiger Trucks Inc | Seminole, OK 74868 | Oil & Gas Operator | Jan 2024 |