| 1 | 183 Disposal LLC | Custer City, OK 73639 | Oil Operator | Jun 2021 |
| 2 | 306 Oil Investment Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2005 |
| 3 | A & M Oilfield Sup Inc | | Oil & Gas Operator | Aug 1999 |
| 4 | A T Oil | Bartlesville, OK 74003 | Oil Operator | Mar 1996 |
| 5 | A-1 Well Service | Coffeyville, KS 67337-9578 | Oil & Gas Operator | Mar 2021 |
| 6 | Ackley Earl H & Glenora Trust | Cushing, OK 74023-5230 | Oil & Gas Operator | Mar 2015 |
| 7 | Acott, Melvin E | | Oil Operator | Aug 2014 |
| 8 | Adams Res & Energy Co | Houston, TX 77001-0844 | Oil & Gas Operator | Mar 2015 |
| 9 | Albritton Resources Inc | Dallas, TX 75206 | Oil & Gas Operator | Feb 2001 |
| 10 | Alexander-Loop Oil Prop. Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Nov 1998 |
| 11 | Allen Michael | Broken Arrow, OK 74014-2239 | Oil & Gas Operator | Aug 2025 |
| 12 | Allen Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Jun 2016 |
| 13 | Allison Tom & Shelly Dba T & S Oil Company | Bartlesville, OK 74006-0722 | Oil & Gas Operator | May 2025 |
| 14 | American Domestic MGMT Inc | Tulsa, OK 74155 | Oil & Gas Operator | Apr 2015 |
| 15 | American Natural Energy Corp | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2025 |
| 16 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Dec 2025 |
| 17 | Amvest Osage Inc | Skiatook, OK 74070-0970 | Oil & Gas Operator | Oct 2025 |
| 18 | Anabaco Operating Company | Stillwater, OK 74076-1958 | Oil & Gas Operator | Mar 2014 |
| 19 | Anadarko Minerals Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 2025 |
| 20 | Anderson Jerry W | Bartlesville, OK 74006-0178 | Oil Operator | Dec 2022 |
| 21 | Anderson, Carl T. | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2014 |
| 22 | Anjet Petroleum Company Inc | Gulfport, MS 39507-1301 | Oil & Gas Operator | Aug 2017 |
| 23 | Anvil Oil Co., Inc. | Bartlesville, OK 74003-5030 | Oil & Gas Operator | Dec 2008 |
| 24 | Arcana Energy Corp Inc | Bartlesville, OK 74006 | Oil Operator | May 2017 |
| 25 | Argali Resources | Dallas, TX 75206 | Oil & Gas Operator | Apr 2003 |
| 26 | Arnold Oil Properties, L.L.C. | Nichols Hill, OK 73116 | Oil & Gas Operator | Dec 2025 |
| 27 | Atkinson J V | Midland, TX 79702 | Oil & Gas Operator | Nov 2005 |
| 28 | B & G Oil & Gas Co | Bartlesville, OK 74006 | Oil & Gas Operator | Dec 2000 |
| 29 | B & H Exploration Company | Talala, OK 74080 | Oil & Gas Operator | Dec 2000 |
| 30 | B & J Developers Inc | Bartlesville, OK 74006-3403 | Oil & Gas Operator | Feb 2020 |
| 31 | B & M Oil & Gas LLC | Bartlesville, OK 74006-5702 | Oil Operator | Oct 2025 |
| 32 | B & S Oil Company | Kermit, TX 79745 | Oil & Gas Operator | Oct 2025 |
| 33 | B & S Production | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2009 |
| 34 | Bacon Ted L | Afton, OK 74331-5518 | Oil Operator | Nov 2005 |
| 35 | Bahan Er Testamentary Trust | Fort Worth, TX 76116-5731 | Oil & Gas Operator | Apr 2014 |
| 36 | Bailey Oil Corp | Bartlesville, OK 74006 | Oil & Gas Operator | Jun 2025 |
| 37 | Baldrachi Oil Properties LLC | Bartlesville, OK 74006-1622 | Oil Operator | Oct 2025 |
| 38 | Ballyoil Inc | Chickasha, OK 73018 | Oil & Gas Operator | Jul 2023 |
| 39 | Barby Energy Corporation | Woodward, OK 73802-1660 | Oil & Gas Operator | Oct 2025 |
| 40 | BDB LLC | Hennessey, OK 73742 | Oil & Gas Operator | Dec 2017 |
| 41 | Beard English & Martin | Bartlesville, OK 74003 | Oil Operator | Nov 2005 |
| 42 | Bechel Oil, LLC. | Maiden Rock, WI 54750 | Oil Operator | Feb 2022 |
| 43 | Bellco Materials Inc | Fayetteville, AR 72703 | Oil Operator | Mar 2015 |
| 44 | Belport Oil Inc | Tulsa, OK 74119 | Oil & Gas Operator | Oct 2025 |
| 45 | BFS Petroleum Company | Skiatook, OK 74070-3998 | Oil & Gas Operator | Jan 2004 |
| 46 | Big J Tank Truck Service Inc | Perry, OK 73077-1238 | Oil Operator | Apr 2014 |
| 47 | Bishop 3B Production LLC | Dewey, OK 74029-2140 | Oil Operator | Apr 2024 |
| 48 | Bison Energy Corporation | Wichita, KS 67206 | Oil & Gas Operator | Mar 2022 |
| 49 | Blackrock Energy LLC | Wagoner, OK 74467 | Oil Operator | Apr 2025 |
| 50 | Boland Investment Company | Turpin, OK 73950-0375 | Oil & Gas Operator | Jan 2013 |
| 51 | Brandie Oil, LLC | Nowata, OK 74048 | Oil Operator | Oct 2025 |
| 52 | Bratco Inc | Dewey, OK 74029-0279 | Oil & Gas Operator | Oct 2025 |
| 53 | Bratco Operating Company Inc | Dewey, OK 74029 | Oil & Gas Operator | Nov 2025 |
| 54 | Brchan Ventures LLC | Bartlesville, OK 74006-0281 | Oil Operator | Dec 2021 |
| 55 | Browder & Ratcliff | Dewey, OK 74029 | Oil Operator | Aug 2000 |
| 56 | Buck Creek Associates | Bartlesville, OK 74006 | Oil & Gas Operator | May 2013 |
| 57 | Buck Creek Associates LLC | Bartlesville, OK 74005-2091 | Oil Operator | Sep 2009 |
| 58 | Bullseye Operating LLC | Bartlesville, OK 74005 | Oil & Gas Operator | Oct 2025 |
| 59 | Burlington Oil Company | Ponca City, OK 74602-1304 | Oil & Gas Operator | May 2007 |
| 60 | Burrows Alfred | Copan, OK 74022 | Oil & Gas Operator | May 2021 |
| 61 | C & A Oil Company | Edmond, OK 73013-9413 | Oil & Gas Operator | Mar 2015 |
| 62 | C & B Energy Resources | Bartlesville, OK 74006 | Oil & Gas Operator | Mar 2015 |
| 63 | C & H Oil Company | Ratliff City, OK 73481-0130 | Oil & Gas Operator | Apr 2015 |
| 64 | C & J Trucks LLC | Seminole, OK 74868-5406 | Oil & Gas Operator | Dec 2025 |
| 65 | C E L Inc | Bartlesville, OK 74006 | Oil & Gas Operator | Jan 2020 |
| 66 | Call Harold Charles | Dewey, OK 74029 | Oil Operator | Oct 2025 |
| 67 | Call, Harold L | | Oil Operator | Mar 2015 |
| 68 | Cannuck Resources Inc | Nowata, OK 74048 | Oil & Gas Operator | Aug 2000 |
| 69 | Carl E Gungoll Exploration LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2025 |
| 70 | Carlton, Richard L | | Oil & Gas Operator | Aug 1999 |
| 71 | Cassidy Jr John | Stroud, OK 74079-0200 | Oil & Gas Operator | Nov 2014 |
| 72 | Castella Inc | Bartlesville, OK 74003-3712 | Oil & Gas Operator | Nov 2025 |
| 73 | CBM Gas Company LLC | Dewey, OK 74029 | Oil & Gas Operator | Aug 2020 |
| 74 | CCS Investments Inc | Bartlesville, OK 74006-1941 | Oil Operator | Oct 2025 |
| 75 | Century Petroleum | Nowata, OK 74048 | Oil & Gas Operator | Dec 2000 |
| 76 | Cep Mid-Continent LLC | Skiatook, OK 74070 | Oil & Gas Operator | Oct 2025 |
| 77 | Chew-Coast & Sons | Bartlesville, OK 74006-0407 | Gas Operator | Dec 2012 |
| 78 | Class Petroleum Corporation | Barnsdall, OK 74002 | Oil Operator | Aug 2013 |
| 79 | Clindco Inc | Bartlesville, OK 74006-6213 | Oil & Gas Operator | Oct 2019 |
| 80 | CLM Oil Production Inc | Bartlesville, OK 74006-4417 | Oil & Gas Operator | Oct 2025 |
| 81 | CMR Operating LLC | Tulsa, OK 74135-2653 | Oil & Gas Operator | Jun 2018 |
| 82 | Cobalt Environmental Solutions LLC | Oklahoma City, OK 73101-0249 | Oil Operator | Jun 2019 |
| 83 | Coe Production Company | Talala, OK 74080-0264 | Oil & Gas Operator | Aug 2015 |
| 84 | Coe Production Company LLC | Talala, OK 74080 | Oil Operator | Sep 2025 |
| 85 | Coldren Oil & Gas Inc | Bartlesville, OK 74006-4729 | Oil & Gas Operator | Sep 1998 |
| 86 | Coleman Oil Company | Bartlesville, OK 74003 | Oil Operator | Dec 2024 |
| 87 | Collins Petroleum Inc | Bartlesville, OK 74006-7024 | Oil & Gas Operator | Apr 2005 |
| 88 | Collins, Stephen M | | Oil Operator | Oct 2025 |
| 89 | Colpitt C H Drilling Co LLC | Collinsville, OK 74021-7107 | Oil Operator | Oct 2025 |
| 90 | Colpitt Chas H Drilling Co | Collinsville, OK 74021-7105 | Oil & Gas Operator | Mar 2012 |
| 91 | Condrin Oil 1985-A LTD | Tulsa, OK 74136 | Oil & Gas Operator | Nov 1998 |
| 92 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Dec 2025 |
| 93 | Cook L D | Bartlesville, OK 74005-2306 | Oil & Gas Operator | Nov 2005 |
| 94 | Coon Creek Gas Inc | | Oil & Gas Operator | Mar 2014 |
| 95 | CVR Supply & Trading, LLC | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2024 |
| 96 | D & B Johnson Family LLC | Owasso, OK 74055-7578 | Oil Operator | Apr 2025 |
| 97 | Daniels Energy | Pampa, TX 79066 | Oil & Gas Operator | Dec 2025 |
| 98 | Darco Petroleum Inc | Bartlesville, OK 74005 | Oil & Gas Operator | Dec 2020 |
| 99 | Davis William W | | Oil Operator | Jun 2024 |
| 100 | Davis/Osage Corp | Tulsa, OK 74103 | Oil Operator | Jan 2001 |