| 1 | 3D Oil Company, LLC | Corpus Chrsti, TX 78406 | Oil & Gas Operator | Apr 2024 |
| 2 | 3M Production Inc | Guthrie, OK 73044-1246 | Oil & Gas Operator | Jan 2024 |
| 3 | 56 Oil & Gas LTD | Norman, OK 73070-4065 | Oil Operator | May 2018 |
| 4 | A & A Tank Truck Company | Norman, OK 73070-8969 | Oil & Gas Operator | Jan 2024 |
| 5 | A H & L Operating Company Inc | Norman, OK 73070-4084 | Oil & Gas Operator | Apr 2015 |
| 6 | Abarr Trust (The) | Oklahoma City, OK 73123-0084 | Oil & Gas Operator | Jan 2024 |
| 7 | ABC Oil Co. | Wichita Falls, TX 76307-1469 | Oil & Gas Operator | Oct 2023 |
| 8 | Abundance Energy I LLC | | Gas Operator | Dec 2023 |
| 9 | Abundance Energy LLC | | Oil & Gas Operator | Jul 2018 |
| 10 | Adeco Energy Corporation | Norman, OK 73071 | Oil & Gas Operator | Apr 2014 |
| 11 | Adventure Properties Inc | Seminole, OK 74868-1296 | Oil & Gas Operator | Jan 2024 |
| 12 | Agate Petroleum, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2015 |
| 13 | Alexander Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 14 | Alexander-Loop Oil Prop. Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Nov 1998 |
| 15 | Alpine Inc | Oklahoma City, OK 73134-2504 | Oil & Gas Operator | Sep 2023 |
| 16 | Altex Oil Corp | Breckenridge, CO 80424-1057 | Oil & Gas Operator | Dec 1999 |
| 17 | Altman Energy, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Apr 2024 |
| 18 | Ambrit Energy Corporation | Garland, TX 75044 | Oil & Gas Operator | Jun 2003 |
| 19 | American Petroleum & Mineral Co Inc | Seminole, OK 74818-1559 | Oil & Gas Operator | Aug 2019 |
| 20 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 21 | American Trading & Prod Corp | Houston, TX 77040-6471 | Oil & Gas Operator | Nov 2014 |
| 22 | Anc Investments LLC | Enid, OK 73701-1823 | Gas Operator | Dec 2023 |
| 23 | Ancova Energy Marketing LLC | | Oil & Gas Operator | Dec 2023 |
| 24 | Antero Resources Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 25 | Antioch Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 26 | Aog Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 27 | Apache Corporation | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
| 28 | Arbuckle Enterprises, Inc. | Edmond, OK 73083 | Oil & Gas Operator | Dec 2023 |
| 29 | Archibald Oil & Gas Operating Inc | Ada, OK 74821-0305 | Oil & Gas Operator | Jan 2024 |
| 30 | Arcotex Oil & Gas Inc | Gainesville, TX 76241-1357 | Oil & Gas Operator | Jan 2024 |
| 31 | Aries Exploration Co Inc | Maud, OK 74854-0160 | Oil & Gas Operator | May 2013 |
| 32 | Arkoma Gas Company | Edmond, OK 73003-5672 | Gas Operator | Apr 2010 |
| 33 | Arkoma Operations LLC | | Oil & Gas Operator | Jan 2024 |
| 34 | Arkoma Resources LLC | Henryetta, OK 74437 | Oil & Gas Operator | Dec 2023 |
| 35 | Arrow Energy Inc | Houston, TX 77008 | Oil & Gas Operator | Jan 2024 |
| 36 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Apr 2024 |
| 37 | Aspen Energy Group, Inc. | Santa Ynez, CA 93460 | Oil & Gas Operator | Mar 2015 |
| 38 | Assiduous Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 39 | Atchley Resources Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Jan 2024 |
| 40 | Athabasca Energy Corporation | Simonton, TX 77476-0364 | Oil & Gas Operator | Dec 2017 |
| 41 | Atlantic Richfield Company | Plano, TX 75094-1744 | Oil & Gas Operator | Dec 2016 |
| 42 | Auora Natural Gas & Assoc Prod | Dallas, TX 75205 | Oil & Gas Operator | Dec 2000 |
| 43 | Avalon Operating LLC | | Oil & Gas Operator | Dec 2023 |
| 44 | Avatar Energy LLC | Dallas, TX 75220-2230 | Oil & Gas Operator | Jul 2016 |
| 45 | B & B Oil | Lyons, KS 67554 | Oil & Gas Operator | Nov 2023 |
| 46 | B & B Resources, Inc | Somerset, KY 42501 | Oil & Gas Operator | Dec 2019 |
| 47 | B & B SWD LLC | | Oil Operator | Jan 2024 |
| 48 | B & B Tool Company Inc | Lindsay, OK 73052-0729 | Oil & Gas Operator | Dec 2023 |
| 49 | B & C Drilling Company Inc | Holdenville, OK 74848-0961 | Oil & Gas Operator | Mar 2000 |
| 50 | B & O Drilling Inc | Ada, OK 74820-8065 | Oil & Gas Operator | Sep 2014 |
| 51 | B & R Oil | Holdenville, OK 74848-4634 | Oil Operator | Mar 2015 |
| 52 | B & R Production LLC | Paden, OK 74860-0098 | Oil & Gas Operator | Jan 2024 |
| 53 | B B R Oil Corporation | Ardmore, OK 73401-6515 | Oil & Gas Operator | Jan 2024 |
| 54 | Bailey Michael L & Pamela D Dba MPB Oil & Gas | Paden, OK 74860-9789 | Oil & Gas Operator | Dec 2023 |
| 55 | Balco Energy Inc | Duncan, OK 73534-2086 | Oil & Gas Operator | Jan 2024 |
| 56 | Ballyoil Inc | Chickasha, OK 73018-2634 | Oil & Gas Operator | Jul 2023 |
| 57 | Barta Enterprises | Oklahoma City, OK 73162-1728 | Oil & Gas Operator | Jan 2024 |
| 58 | Basis Resources Group LLC | | Oil & Gas Operator | Dec 2023 |
| 59 | Bayou Oil LLC | | Oil & Gas Operator | Jan 2024 |
| 60 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2024 |
| 61 | Bedford Energy Inc | Oklahoma City, OK 73112-4731 | Oil & Gas Operator | Sep 2016 |
| 62 | Bell & Kinley Company LLC | Piedmont, OK 73078-8918 | Oil & Gas Operator | Jul 2021 |
| 63 | Benchmark Crude Inc | Tulsa, OK 74105-5920 | Oil & Gas Operator | Sep 2015 |
| 64 | Benton Oil & Gas Co | Oxnard, CA 93030 | Oil Operator | Nov 1998 |
| 65 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 66 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 67 | Bill Weems Oil LLC | Seminole, OK 74818-1258 | Oil & Gas Operator | Dec 2023 |
| 68 | Billy Jack Sharber Operating LLC | Konawa, OK 74849-0071 | Oil & Gas Operator | Dec 2023 |
| 69 | Bison Energy Corporation | Wichita, KS 67206 | Oil & Gas Operator | Feb 2023 |
| 70 | Black Jewel Resources LTD Co | Berryville, AR 72616-0538 | Oil & Gas Operator | Dec 2014 |
| 71 | Black Lava Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 72 | Black Wendell D | Atwood, OK 74827-9706 | Oil & Gas Operator | Jan 2009 |
| 73 | Blackbeard Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
| 74 | Blackjack Oil & Gas, Inc. | Hennessey, OK 73742 | Oil & Gas Operator | Apr 2024 |
| 75 | Blake Production Company, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2024 |
| 76 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Apr 2024 |
| 77 | Blue Star Gas Corporation | Norman, OK 73070 | Gas Operator | Apr 1993 |
| 78 | Blue Water Resources LLC | | Oil & Gas Operator | Dec 2023 |
| 79 | Blue Water Solutions LLC | | Oil & Gas Operator | Jan 2024 |
| 80 | Bluemark Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2023 |
| 81 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 82 | Bo-MC Resources Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Apr 2005 |
| 83 | Bogo Energy Corporation | Oklahoma City, OK 73134-1002 | Oil & Gas Operator | Jan 2024 |
| 84 | Bonita Hydrocarbons Company | Dallas, TX 75229 | Oil & Gas Operator | Jun 2008 |
| 85 | Boone Operating Inc | Oklahoma City, OK 73118-6014 | Oil & Gas Operator | Dec 2023 |
| 86 | Box Energy Company | Dallas, TX 75244 | Oil & Gas Operator | Jun 2003 |
| 87 | Boyce Producing Corporation | Edmond, OK 73012-4323 | Oil & Gas Operator | Mar 2015 |
| 88 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 89 | Brady Production | Saskawa, OK 74867-9723 | Oil & Gas Operator | Aug 2019 |
| 90 | Bravo Arkoma LLC | | Oil & Gas Operator | Dec 2023 |
| 91 | Brewer Carroll L | Edmond, OK 73003-0010 | Oil & Gas Operator | Dec 2023 |
| 92 | Brewer J E | Seminole, OK 74818-0863 | Oil & Gas Operator | Mar 2014 |
| 93 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 94 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2023 |
| 95 | BRG Production Company | Tulsa, OK 74136-6338 | Oil & Gas Operator | Jan 2024 |
| 96 | Briar Oil & Gas - Oklahoma 1 LLC | | Oil & Gas Operator | Dec 2023 |
| 97 | Brishoma Oil Company | Broken Arrow, OK 74012-4030 | Oil & Gas Operator | Feb 2010 |
| 98 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 99 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2024 |
| 100 | Buffalo Oil & Gas LLC | Oxford, KS 67119 | Oil & Gas Operator | Dec 2023 |