| 1 | A R W Exploration Corp | Stillwater, OK 74076 | Oil & Gas Operator | May 2013 |
| 2 | A-1 Well Service | Coffeyville, KS 67337-9578 | Oil & Gas Operator | Mar 2021 |
| 3 | Agave Energy Inc | Stigler, OK 74462 | Oil & Gas Operator | Jan 2026 |
| 4 | Allen Benne | Ramona, OK 74061-3612 | Oil Operator | Aug 2010 |
| 5 | Allen Michael | Broken Arrow, OK 74014-2239 | Oil & Gas Operator | Aug 2025 |
| 6 | Allen Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Jun 2016 |
| 7 | Allison Tom & Shelly Dba T & S Oil Company | Bartlesville, OK 74006-0722 | Oil & Gas Operator | Nov 2025 |
| 8 | American Energy LLC | Lake Zurich, IL 60047-0129 | Oil & Gas Operator | Nov 2014 |
| 9 | American Petroleum Corp | Addison, TX 75001 | Oil & Gas Operator | Apr 2026 |
| 10 | Amvest Osage Inc | Skiatook, OK 74070-0970 | Oil & Gas Operator | Jan 2026 |
| 11 | Anr Production Company | Houston, TX 77046 | Oil & Gas Operator | Aug 2017 |
| 12 | Anson Company | Oklahoma City, OK 73124 | Oil & Gas Operator | Apr 2018 |
| 13 | Aog Operating LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Feb 2026 |
| 14 | Arcana Energy Corp Inc | Bartlesville, OK 74006 | Oil Operator | May 2017 |
| 15 | Argali Resources | Dallas, TX 75206 | Oil & Gas Operator | Apr 2003 |
| 16 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Apr 2026 |
| 17 | B & G Oil & Gas Co | Bartlesville, OK 74006 | Oil & Gas Operator | Dec 2000 |
| 18 | B & H Exploration Company | Talala, OK 74080 | Oil & Gas Operator | Dec 2000 |
| 19 | B & J Developers Inc | Bartlesville, OK 74006-3403 | Oil & Gas Operator | Feb 2020 |
| 20 | Bailey C A | Nowata, OK 74048-0206 | Oil Operator | Aug 1999 |
| 21 | Baker Eberle Energy Corp | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2015 |
| 22 | Ballyoil Inc | Chickasha, OK 73018 | Oil & Gas Operator | Jul 2023 |
| 23 | Be Anadarko LLC | Wimberley, TX 78676-4418 | Oil & Gas Operator | Jan 2024 |
| 24 | Bear Productions Inc | Kinta, OK 74552 | Oil & Gas Operator | Jan 2026 |
| 25 | Belport Oil Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2026 |
| 26 | Big Sky Oil Company | Nowata, OK 74048-0187 | Oil & Gas Operator | Mar 2015 |
| 27 | Bison Energy Corporation | Wichita, KS 67206 | Oil & Gas Operator | Mar 2022 |
| 28 | BLR Energy LLC | Pawhuska, OK 74056 | Oil Operator | Feb 2026 |
| 29 | Bollinger M A | Chanute, KS 66720 | Oil Operator | Jun 2023 |
| 30 | Bollinger Oil Company | Tulsa, OK 74105 | Oil Operator | Aug 2018 |
| 31 | Bowman Charles A | Nowata, OK 74048 | Oil Operator | Aug 2004 |
| 32 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 33 | Brahman Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 34 | Bratco Inc | Dewey, OK 74029-0279 | Oil & Gas Operator | Jan 2026 |
| 35 | Bratco Operating Company Inc | Dewey, OK 74029 | Oil & Gas Operator | Feb 2026 |
| 36 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 37 | Buck Creek Associates | Bartlesville, OK 74006 | Oil & Gas Operator | May 2013 |
| 38 | Buck Creek Associates LLC | Bartlesville, OK 74005-2091 | Oil Operator | Sep 2009 |
| 39 | Bullseye Operating LLC | Bartlesville, OK 74005 | Oil & Gas Operator | Feb 2026 |
| 40 | Burrows Alfred | Copan, OK 74022 | Oil & Gas Operator | May 2021 |
| 41 | C & M Exploration LLC | Tulsa, OK 74159-1331 | Oil & Gas Operator | Jun 2014 |
| 42 | C Rose Oil Co. | Midland, TX 79708 | Oil & Gas Operator | Feb 2026 |
| 43 | Call Harold Charles | Dewey, OK 74029 | Oil Operator | Feb 2026 |
| 44 | Call, Harold L | | Oil Operator | Mar 2015 |
| 45 | Cannuck Resources Inc | Nowata, OK 74048 | Oil & Gas Operator | Aug 2000 |
| 46 | Canvas Energy LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |
| 47 | Carman Frances J | Pawhuska, OK 74056-0101 | Oil & Gas Operator | Aug 2013 |
| 48 | Carter Donald L | Sand Springs, OK 74063-8105 | Oil Operator | May 2006 |
| 49 | CBM Gas Company LLC | Dewey, OK 74029 | Oil & Gas Operator | Aug 2020 |
| 50 | Centrex Operating Company | Tulsa, OK 74105 | Oil & Gas Operator | Jan 2026 |
| 51 | Century Petroleum | Nowata, OK 74048 | Oil & Gas Operator | Dec 2000 |
| 52 | Cep Mid-Continent LLC | Skiatook, OK 74070 | Oil & Gas Operator | Feb 2026 |
| 53 | Chapman Oil Company | Midland, TX 79702 | Oil & Gas Operator | Jan 2026 |
| 54 | Cimarron Production Co Inc | Oklahoma City, OK 73142-3017 | Oil & Gas Operator | Jan 2026 |
| 55 | Citation Oil & Gas Corp | Houston, TX 77269 | Oil & Gas Operator | Apr 2026 |
| 56 | Clift Cary E | Chickasha, OK 73018-6305 | Oil & Gas Operator | Jun 2025 |
| 57 | Clindco Inc | Bartlesville, OK 74006-6213 | Oil & Gas Operator | Oct 2019 |
| 58 | CLM Oil Production Inc | Bartlesville, OK 74006-4417 | Oil & Gas Operator | Feb 2026 |
| 59 | CM Oil Co. | FT Stockton, TX 79735 | Oil & Gas Operator | Apr 2026 |
| 60 | Cobalt Environmental Solutions LLC | Oklahoma City, OK 73101-0249 | Oil Operator | Jun 2019 |
| 61 | Coe Production Company | Talala, OK 74080-0264 | Oil & Gas Operator | Aug 2015 |
| 62 | Coe Production Company LLC | Talala, OK 74080 | Oil Operator | Jan 2026 |
| 63 | Coldren Oil & Gas Inc | Bartlesville, OK 74006-4729 | Oil & Gas Operator | Sep 1998 |
| 64 | Comdisco Resources Inc | | Oil Operator | Aug 2004 |
| 65 | Concorde Resources Corporation | Eufaula, OK 74432 | Oil & Gas Operator | Jan 2026 |
| 66 | Consolidated Oil & Gas Inc | Wichita, KS 67202 | Oil & Gas Operator | Dec 2012 |
| 67 | Continental Energy | Garden City, KS 67846-0918 | Oil & Gas Operator | Jul 2017 |
| 68 | Corbell Wayne L | Fort Worth, TX 76111-4615 | Oil & Gas Operator | Apr 2023 |
| 69 | County Line Stripper Wells LLC | Chelsea, OK 74016 | Oil & Gas Operator | Dec 2025 |
| 70 | Cramer Oil LLC | Nowata, OK 74048-6011 | Oil Operator | Feb 2026 |
| 71 | Cricket Enterprises Corporation | Nowata, OK 74048-9683 | Oil & Gas Operator | Mar 2015 |
| 72 | CW Investments | Okmulgee, OK 74447-4026 | Oil & Gas Operator | Nov 2025 |
| 73 | D & E Oil Co | Perryton, TX 79070 | Oil & Gas Operator | Apr 2026 |
| 74 | Darco Petroleum Inc | Bartlesville, OK 74005 | Oil & Gas Operator | Dec 2020 |
| 75 | Davis Jared | Wann, OK 74083-9610 | Oil & Gas Operator | Jan 2026 |
| 76 | Day Richard H | Wann, OK 74083-9608 | Oil Operator | Mar 2015 |
| 77 | DDC Oil LLC | Rockwall, TX 75087-5383 | Oil Operator | Mar 2020 |
| 78 | Deck Exploration Inc | Perry, OK 73077-0303 | Oil & Gas Operator | May 2013 |
| 79 | Demier Oil Company | Tulsa, OK 74105-2128 | Oil & Gas Operator | Nov 2008 |
| 80 | Devon Energy Production Company, L.P. | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2026 |
| 81 | Devon Resources Corporation | Jenks, OK 74037-3525 | Oil & Gas Operator | Jan 2026 |
| 82 | Devon SFS Operating Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
| 83 | DFP Oil Company | Tulsa, OK 74114-1345 | Oil & Gas Operator | Dec 2004 |
| 84 | Diehl Mark | | Oil Operator | Nov 1998 |
| 85 | DLKB Operating LLC | Eufaula, OK 74432 | Gas Operator | Feb 2026 |
| 86 | Dual Operating & Production Co | Tulsa, OK 74145-7831 | Oil & Gas Operator | Apr 2020 |
| 87 | Duncan Energy Company | Denver, CO 80202 | Oil & Gas Operator | Mar 2008 |
| 88 | Eager Oil Company | Stanhope, NJ 07874-0577 | Oil Operator | Jun 2014 |
| 89 | Eagle Exploration Production LLC | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2026 |
| 90 | Eakin Exploration Inc | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2016 |
| 91 | Earl Oil Inc | Stillwater, OK 74074-1079 | Oil & Gas Operator | Dec 2025 |
| 92 | Earthstone Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2026 |
| 93 | Eastern Petroleum Company | Girard, OH 44420 | Oil & Gas Operator | Sep 1995 |
| 94 | Ecc Energy Corporation | Dewey, OK 74029 | Oil & Gas Operator | Feb 2020 |
| 95 | Eei Operating Inc. | Plano, TX 75093 | Oil & Gas Operator | May 2015 |
| 96 | Elite Tank Trucks, Inc | | Oil & Gas Operator | Dec 2025 |
| 97 | Emjo Operations Inc | Marlow, OK 73055-8803 | Oil & Gas Operator | Jan 2026 |
| 98 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 99 | Energy Group Of America, Inc. | Hollister, MO 65672 | Oil Operator | Apr 2026 |
| 100 | Energy Lease Service Inc | Drumright, OK 74030-7403 | Oil & Gas Operator | Jan 2026 |