| 1 | A & A Tank Truck Company | Norman, OK 73070-8969 | Oil & Gas Operator | Jan 2024 |
| 2 | Abercrombie, A. L., Inc | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
| 3 | Abundance Energy I LLC | | Gas Operator | Dec 2023 |
| 4 | Aexco Petroleum Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2024 |
| 5 | Alexander Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 6 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 7 | Amoco Energy Trading Corp | Chicago, IL 60601 | Oil & Gas Operator | Apr 2021 |
| 8 | Arkana Operating Company, Inc | Fort Worth, TX 76116-5707 | Oil & Gas Operator | Jul 2008 |
| 9 | Arkansas Oklahoma Gas Corporation | Fort Smith, AR 72917 | Oil & Gas Operator | Aug 2022 |
| 10 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Apr 2024 |
| 11 | Auora Natural Gas & Assoc Prod | Dallas, TX 75205 | Oil & Gas Operator | Dec 2000 |
| 12 | B & B SWD LLC | | Oil Operator | Jan 2024 |
| 13 | Bay Oaks Resources LLC | | Gas Operator | Feb 2018 |
| 14 | Blue Water Resources LLC | | Oil & Gas Operator | Dec 2023 |
| 15 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 16 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 17 | Bravo Arkoma LLC | | Oil & Gas Operator | Dec 2023 |
| 18 | Briar Oil & Gas - Oklahoma 1 LLC | | Oil & Gas Operator | Dec 2023 |
| 19 | Bso Inc | Cleveland, OK 74020-0597 | Oil & Gas Operator | Jan 2024 |
| 20 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |
| 21 | C & L Oil And Gas Corporation | Norman, OK 73069-8224 | Oil & Gas Operator | Jan 2024 |
| 22 | C & S Exploration Inc | | Oil & Gas Operator | Jun 2016 |
| 23 | Capstone Oilfield Disposal Service LLC | Hennessey, OK 73742-0698 | Oil Operator | Dec 2019 |
| 24 | Central Ok Reclamation LLC | | Oil & Gas Operator | Jun 2014 |
| 25 | Chesapeake Energy MKT Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2022 |
| 26 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2024 |
| 27 | Cima Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2022 |
| 28 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Apr 2024 |
| 29 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2024 |
| 30 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
| 31 | Crest Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2024 |
| 32 | Cross Timbers Operating Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2023 |
| 33 | CX Disposals LLC | | Oil Operator | Oct 2023 |
| 34 | D & B Operating LLC | | Oil Operator | Jan 2023 |
| 35 | D-Pex Operating Company | | Oil & Gas Operator | Sep 2004 |
| 36 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
| 37 | Daniel-Price Exploration Co | Tulsa, OK 74119 | Gas Operator | Apr 2011 |
| 38 | Davis, Joe D. | Fort Smith, AR 72903 | Gas Operator | Mar 2015 |
| 39 | Deka Exploration Inc | Oklahoma City, OK 73113-0057 | Oil & Gas Operator | Nov 2019 |
| 40 | Dexxon, Inc. | Kiefer, OK 74041 | Oil & Gas Operator | Jan 2024 |
| 41 | Dyne Exploration Company | Plano, TX 75093-6512 | Oil & Gas Operator | Apr 2020 |
| 42 | Eagle Energy PTR I LP | Houston, TX 77064 | Oil & Gas Operator | Feb 2015 |
| 43 | Eagle Gas Marketing Co | Oklahoma City, OK 73114-2202 | Oil & Gas Operator | Nov 2022 |
| 44 | Eastern Operating Company LLC | | Gas Operator | Dec 2023 |
| 45 | Echo Production Inc | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 46 | El Paso Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
| 47 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 48 | Evergreen Operating Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
| 49 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Mar 2024 |
| 50 | Fairway Midstream SVC & TRD | Tulsa, OK 74114 | Oil & Gas Operator | Jun 2006 |
| 51 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 52 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 53 | FP Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2008 |
| 54 | Garnet Exploration LLC | | Gas Operator | Dec 2023 |
| 55 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 56 | Geyer Brothers Equipment Company | Noble, OK 73068-8540 | Oil & Gas Operator | Mar 2011 |
| 57 | Glenwood Operating LLC | | Gas Operator | Dec 2023 |
| 58 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Dec 2023 |
| 59 | H2ox Operating LLC | | Oil Operator | Jan 2024 |
| 60 | Ham Oil Company, LLC | | Oil Operator | Sep 2022 |
| 61 | Hanna Oil And Gas Company | Fort Smith, AR 72901 | Oil & Gas Operator | Jan 2024 |
| 62 | HCG Energy Corporation & Subs | | Oil & Gas Operator | Mar 2015 |
| 63 | Headington Oil Company | Dallas, TX 75231 | Oil & Gas Operator | Dec 2016 |
| 64 | Headington Oil Company LLC | Dallas, TX 75204 | Oil & Gas Operator | Apr 2016 |
| 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 | Highland Energy Co | Dallas, TX 75201 | Oil & Gas Operator | Jun 1994 |
| 68 | Hoover & Wilson Exp & Prod Inc | Fort Smith, AR 72913-5171 | Gas Operator | Jul 2013 |
| 69 | Hy-Carb Energy Inc | | Oil & Gas Operator | Feb 2009 |
| 70 | J & J Energy Service LLC | | Gas Operator | Dec 2023 |
| 71 | Jaco Energy Company Inc | Stigler, OK 74462-0059 | Gas Operator | Jan 2024 |
| 72 | Jec Operating LLC | Oklahoma City, OK 73114-2717 | Oil & Gas Operator | Dec 2023 |
| 73 | JHS Energy, Inc | Denver, CO 80222 | Oil & Gas Operator | Dec 2023 |
| 74 | JMC Exploration Inc | Dallas, TX 75225-5803 | Gas Operator | Jan 2007 |
| 75 | Johnson E Lyle | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2023 |
| 76 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2024 |
| 77 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 78 | Kybenco Disposals LLC | | Oil Operator | Sep 2022 |
| 79 | Lake Country Disposal II LLC | | Oil Operator | Jan 2024 |
| 80 | Lake Country Disposal LLC | | Oil Operator | Jan 2024 |
| 81 | Lear Petroleum Corp | Houston, TX 77210 | Oil & Gas Operator | Mar 2015 |
| 82 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 83 | Longberry Energy Inc | | Gas Operator | Dec 2023 |
| 84 | LX4 LLC | | Oil Operator | Jan 2024 |
| 85 | Lyons & Lyons Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2024 |
| 86 | Mac Laskey Kelly Oilfield | El Dorado, KS 67042 | Oil & Gas Operator | Jan 2024 |
| 87 | Malpais Inc | | Gas Operator | Dec 2023 |
| 88 | Marion Corporation | | Oil & Gas Operator | Jan 2001 |
| 89 | Meade Energy Corporation | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | Jan 2024 |
| 90 | Mendell Petroleum Corporation | Castle Rock, CO 80104-9045 | Oil & Gas Operator | Sep 2004 |
| 91 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Apr 2024 |
| 92 | Mid-Con Central Expl Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2014 |
| 93 | Moore Richard L | Morris, OK 74445 | Oil Operator | Aug 2013 |
| 94 | Mountain Front Pipeline Co, Inc | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 95 | Mud Operations Inc | Ames, OK 73718-9501 | Oil & Gas Operator | Jan 2024 |
| 96 | Mueller Thomas C | Fort Smith, AR 72913 | Gas Operator | Aug 2008 |
| 97 | Mustang Fuel Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2024 |
| 98 | National Energy Group Inc | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
| 99 | Neg Operating LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Apr 2017 |
| 100 | Nelson Exploration Corporation | | Oil & Gas Operator | Dec 2023 |