| 1 | 306 Oil Investment Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2005 |
| 2 | A-1 Well Service | Coffeyville, KS 67337-9578 | Oil & Gas Operator | Mar 2021 |
| 3 | A. T. Oil | Bartlesville, OK 74003 | Oil Operator | Mar 1996 |
| 4 | Ackley Earl H & Glenora Trust | Cushing, OK 74023-5230 | Oil & Gas Operator | Mar 2015 |
| 5 | Acott, Melvin E | | Oil Operator | Aug 2014 |
| 6 | Adams Res & Energy Co | Houston, TX 77001-0844 | Oil & Gas Operator | Mar 2015 |
| 7 | Albritton Resources Inc | Dallas, TX 75206 | Oil & Gas Operator | Feb 2001 |
| 8 | Alexander-Loop Oil Prop. Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Nov 1998 |
| 9 | Allen Michael | Broken Arrow, OK 74014-2239 | Oil & Gas Operator | Apr 2025 |
| 10 | Allen Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Jun 2016 |
| 11 | Allison Tom & Shelly Dba T & S Oil Company | Bartlesville, OK 74006-0722 | Oil & Gas Operator | May 2025 |
| 12 | American Domestic MGMT Inc | Tulsa, OK 74155 | Oil & Gas Operator | Apr 2015 |
| 13 | American Natural Energy Corp | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2025 |
| 14 | Amvest Osage Inc | Skiatook, OK 74070-0970 | Oil & Gas Operator | Apr 2025 |
| 15 | Anabaco Operating Company | Stillwater, OK 74076-1958 | Oil & Gas Operator | Mar 2014 |
| 16 | Anadarko Minerals Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2025 |
| 17 | Anderson Jerry W | Bartlesville, OK 74006-0178 | Oil Operator | Dec 2022 |
| 18 | Anderson, Carl T. | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2014 |
| 19 | Anjet Petroleum Company Inc | Gulfport, MS 39507-1301 | Oil & Gas Operator | Aug 2017 |
| 20 | Anvil Oil Co., Inc. | Bartlesville, OK 74003-5030 | Oil & Gas Operator | Dec 2008 |
| 21 | Arcana Energy Corp Inc | Bartlesville, OK 74006 | Oil Operator | May 2017 |
| 22 | Argali Resources | Dallas, TX 75206 | Oil & Gas Operator | Apr 2003 |
| 23 | Armitage Jerald Dba Jem Oilfield Services LLC | Bartlesville, OK 74003 | Oil Operator | May 2025 |
| 24 | Arnold Oil Properties, L.L.C. | Nichols Hill, OK 73116 | Oil & Gas Operator | Jul 2025 |
| 25 | Atkinson J V | Midland, TX 79702 | Oil & Gas Operator | Nov 2005 |
| 26 | B & G Oil & Gas Co | Bartlesville, OK 74006 | Oil & Gas Operator | Dec 2000 |
| 27 | B & H Exploration Company | Talala, OK 74080 | Oil & Gas Operator | Dec 2000 |
| 28 | B & J Developers Inc | Bartlesville, OK 74006-3403 | Oil & Gas Operator | Feb 2020 |
| 29 | B & M Oil & Gas LLC | Bartlesville, OK 74006-5702 | Oil Operator | Apr 2025 |
| 30 | B & S Oil Company | Kermit, TX 79745 | Oil & Gas Operator | May 2025 |
| 31 | B & S Production | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2009 |
| 32 | Bacon Ted L | Afton, OK 74331-5518 | Oil Operator | Nov 2005 |
| 33 | Bahan Er Testamentary Trust | Fort Worth, TX 76116-5731 | Oil & Gas Operator | Apr 2014 |
| 34 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Jan 2025 |
| 35 | Baldrachi Oil Properties LLC | Bartlesville, OK 74006-1622 | Oil Operator | Apr 2025 |
| 36 | Ballyoil Inc | Chickasha, OK 73018 | Oil & Gas Operator | Jul 2023 |
| 37 | Barby Energy Corporation | Woodward, OK 73802-1660 | Oil & Gas Operator | Apr 2025 |
| 38 | Beard English & Martin | Bartlesville, OK 74003 | Oil Operator | Nov 2005 |
| 39 | Bechel Oil, LLC. | Maiden Rock, WI 54750 | Oil Operator | Feb 2022 |
| 40 | Bellco Materials Inc | Fayetteville, AR 72703 | Oil Operator | Mar 2015 |
| 41 | Belport Oil, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2025 |
| 42 | BFS Petroleum Company | Skiatook, OK 74070-3998 | Oil & Gas Operator | Jan 2004 |
| 43 | Bishop 3B Production LLC | Dewey, OK 74029-2140 | Oil Operator | Apr 2024 |
| 44 | Blackrock Energy LLC | Wagoner, OK 74467 | Oil Operator | Apr 2025 |
| 45 | Boland Investment Company | Turpin, OK 73950-0375 | Oil & Gas Operator | Jan 2013 |
| 46 | Brandie Oil, LLC | Nowata, OK 74048 | Oil Operator | Apr 2025 |
| 47 | Bratco Inc | Dewey, OK 74029-0279 | Oil & Gas Operator | Apr 2025 |
| 48 | Bratco Operating Company | Dewey, OK 74029 | Oil & Gas Operator | May 2025 |
| 49 | Brchan Ventures LLC | Bartlesville, OK 74006-0281 | Oil Operator | Dec 2021 |
| 50 | Browder & Ratcliff | Dewey, OK 74029 | Oil Operator | Aug 2000 |
| 51 | Buck Creek Associates | Bartlesville, OK 74006 | Oil & Gas Operator | May 2013 |
| 52 | Buck Creek Associates LLC | Bartlesville, OK 74005-2091 | Oil Operator | Sep 2009 |
| 53 | Bullseye Operating LLC | Bartlesville, OK 74005 | Oil & Gas Operator | Apr 2025 |
| 54 | Burlington Oil Company | Ponca City, OK 74602-1304 | Oil & Gas Operator | May 2007 |
| 55 | Burrows Alfred | Copan, OK 74022 | Oil & Gas Operator | May 2021 |
| 56 | C & H Oil Company | Ratliff City, OK 73481-0130 | Oil & Gas Operator | Apr 2015 |
| 57 | C & J Trucks LLC | Seminole, OK 74868-5406 | Oil & Gas Operator | Jun 2025 |
| 58 | C B Energy Resources | Bartlesville, OK 74006 | Oil & Gas Operator | Mar 2015 |
| 59 | C E L Inc | Bartlesville, OK 74006 | Oil & Gas Operator | Jan 2020 |
| 60 | Call Harold Charles | Dewey, OK 74029 | Oil Operator | Apr 2025 |
| 61 | Call, Harold L | | Oil Operator | Mar 2015 |
| 62 | Cannuck Resources Inc | Nowata, OK 74048 | Oil & Gas Operator | Aug 2000 |
| 63 | Carl E Gungoll Exploration LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2025 |
| 64 | Carlton, Richard L | | Oil & Gas Operator | Aug 1999 |
| 65 | Cassidy Jr John | Stroud, OK 74079-0200 | Oil & Gas Operator | Nov 2014 |
| 66 | Castella Inc | Bartlesville, OK 74003-3712 | Oil & Gas Operator | May 2025 |
| 67 | CBM Gas Company LLC | Dewey, OK 74029 | Oil & Gas Operator | Aug 2020 |
| 68 | CCS Investments Inc | Bartlesville, OK 74006-1941 | Oil Operator | Apr 2025 |
| 69 | Century Petroleum | Nowata, OK 74048 | Oil & Gas Operator | Dec 2000 |
| 70 | Cep Mid-Continent LLC | Skiatook, OK 74070 | Oil & Gas Operator | Apr 2025 |
| 71 | Chew-Coast & Sons | Bartlesville, OK 74006-0407 | Gas Operator | Dec 2012 |
| 72 | Class Petroleum Corporation | Barnsdall, OK 74002 | Oil Operator | Aug 2013 |
| 73 | Clindco Inc | Bartlesville, OK 74006-6213 | Oil & Gas Operator | Oct 2019 |
| 74 | CLM Oil Production Inc | Bartlesville, OK 74006-4417 | Oil & Gas Operator | May 2025 |
| 75 | CMR Operating LLC | Tulsa, OK 74135-2653 | Oil & Gas Operator | Jun 2018 |
| 76 | Coe Production Company | Talala, OK 74080-0264 | Oil & Gas Operator | Aug 2015 |
| 77 | Coe Production Company LLC | Talala, OK 74080 | Oil Operator | Mar 2025 |
| 78 | Coldren Oil & Gas Inc | Bartlesville, OK 74006-4729 | Oil & Gas Operator | Sep 1998 |
| 79 | Coleman Oil Company | Bartlesville, OK 74003 | Oil Operator | Dec 2024 |
| 80 | Collins Petroleum Inc | Bartlesville, OK 74006-7024 | Oil & Gas Operator | Apr 2005 |
| 81 | Collins, Stephen M | | Oil Operator | Apr 2025 |
| 82 | Colpitt C H Drilling Co LLC | Collinsville, OK 74021-7107 | Oil Operator | Apr 2025 |
| 83 | Colpitt Chas H Drilling Co | Collinsville, OK 74021-7105 | Oil & Gas Operator | Mar 2012 |
| 84 | Condrin Oil 1985-A LTD | Tulsa, OK 74136 | Oil & Gas Operator | Nov 1998 |
| 85 | Cook L D | Bartlesville, OK 74005-2306 | Oil & Gas Operator | Nov 2005 |
| 86 | Coon Creek Gas Inc | | Oil & Gas Operator | Mar 2014 |
| 87 | CVR Supply & Trading, LLC | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2024 |
| 88 | D & B Johnson Family LLC | Owasso, OK 74055-7578 | Oil Operator | Apr 2025 |
| 89 | Daniels Energy | Pampa, TX 79066 | Oil & Gas Operator | Jul 2025 |
| 90 | Darco Petroleum, Inc. | Bartlesville, OK 74005 | Oil & Gas Operator | Dec 2020 |
| 91 | Davis William W | | Oil Operator | Jun 2024 |
| 92 | Davis/Osage Corp | Tulsa, OK 74103 | Oil Operator | Jan 2001 |
| 93 | Dawson-Markwell Exploration Co. | Oklahoma City, OK 73101 | Oil & Gas Operator | Apr 2025 |
| 94 | Day Richard H | Wann, OK 74083-9608 | Oil Operator | Mar 2015 |
| 95 | DDC Oil LLC | Rockwall, TX 75087-5383 | Oil Operator | Mar 2020 |
| 96 | Delong Ralph J | Sapulpa, OK 74066 | Oil & Gas Operator | Nov 2005 |
| 97 | Deshazo Production Company | Dewey, OK 74029-2811 | Oil & Gas Operator | Nov 2005 |
| 98 | Devon Energy Corp (Nevada) | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2017 |
| 99 | Devon Resources Corporation | Jenks, OK 74037-3525 | Oil & Gas Operator | Apr 2025 |
| 100 | Dewey Enterprises Inc | | Oil & Gas Operator | Apr 2025 |