| 1 | B & B Drilling Co. | Milano, TX 76556 | Oil & Gas Operator | Jul 2015 |
| 2 | B & B Farm Industries, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2002 |
| 3 | B & B Oil | Lyons, KS 67554 | Oil Operator | Mar 2025 |
| 4 | B & B Oil % Willie Booth | El Dorado, KS 67042 | Oil Operator | Oct 2001 |
| 5 | B & B Oil Compan | | Oil & Gas Operator | Jul 1992 |
| 6 | B & B Oil Company | Corsicana, TX 75110 | Oil & Gas Operator | Mar 2025 |
| 7 | B & B Oil Recovery | | Oil Operator | Mar 2025 |
| 8 | B & B Oil, Inc. | Kerrville, TX 78028 | Oil & Gas Operator | Jul 2025 |
| 9 | B & B Oil, LLC | Havana, KS 67347 | Oil Operator | Mar 2025 |
| 10 | B & C Oil, A General Partnership | Erie, KS 66733 | Oil Operator | Nov 1999 |
| 11 | B & D Oil, LLC | Welda, KS 66091 | Oil Operator | Mar 2025 |
| 12 | B & G Oil Compan | | Oil Operator | Aug 1994 |
| 13 | B & H Drilling, A General Partnership | Moline, KS 67353 | Oil Operator | Nov 2009 |
| 14 | B & J Developers | | Oil Operator | Oct 1995 |
| 15 | B & L | | Oil Operator | Apr 2016 |
| 16 | B & L Oil | Sardis, OH 43946 | Oil & Gas Operator | Mar 2025 |
| 17 | B & L Oil Compan | | Oil Operator | Jun 1988 |
| 18 | B & M Oil Co.. A General Partner | Eldorado, KS 67042 | Oil Operator | Mar 2025 |
| 19 | B & N Gas Company, LLC | Marion, KS 66861 | Gas Operator | Dec 2023 |
| 20 | B & S Oil | | Oil Operator | Jun 2008 |
| 21 | B & W Oil Inc. | Wellington, KS 67152 | Oil Operator | Apr 2000 |
| 22 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Jul 2025 |
| 23 | B E C Oil Compan | | Oil Operator | May 1986 |
| 24 | B J Oil Company | Corsicana, TX 75109 | Oil & Gas Operator | Jul 2025 |
| 25 | B M & S Oil | | Oil Operator | Apr 1986 |
| 26 | B S &B Oil & Gas | | Oil Operator | Dec 1992 |
| 27 | B-C Steel, LLC | Yates Center, KS 66783 | Oil & Gas Operator | Nov 2015 |
| 28 | B-F Oil Co. L.L.C. | Great Bend, KS 67530 | Oil Operator | Mar 2025 |
| 29 | B-P Ent. | Arlington, TX 76015 | Oil Operator | Jul 1996 |
| 30 | B5 Operating, LLC | Wellington, KS 67152 | Oil & Gas Operator | Mar 2025 |
| 31 | B8 Investments | | Oil Operator | Mar 2025 |
| 32 | Baber Oil Co., LLC | Tulsa, OK 74103 | Oil & Gas Operator | May 2025 |
| 33 | Bach Oil Production | | Oil Operator | Mar 2025 |
| 34 | Backa LLC | Arkansas City, KS 67005 | Oil Operator | Mar 2025 |
| 35 | Bailey Boy Oil | | Oil Operator | Mar 2025 |
| 36 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Jan 2025 |
| 37 | Bailey Sharon | Centerville, KS 66014 | Oil Operator | Sep 1997 |
| 38 | Bailey, Albian W., Jr. | Neodesha, KS 66757 | Oil Operator | Nov 2009 |
| 39 | Bailey, Gene M. | Neodesha, KS 66757 | Oil Operator | Nov 2009 |
| 40 | Bair, Orville L. | Burden, KS 67019 | Oil & Gas Operator | Oct 2003 |
| 41 | Baird Oil Company Inc | Lewisville, TX 75067 | Oil & Gas Operator | Jul 2025 |
| 42 | Baird Oil Company LLC | Logan, KS 67646 | Oil Operator | Mar 2025 |
| 43 | Baker Oil Incorp | | Oil Operator | Oct 1985 |
| 44 | Baker, Eberle Energy Corp. | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2015 |
| 45 | Bale, Charles R. | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2014 |
| 46 | Ball, D. A. | El Dorado, KS 67042 | Oil Operator | Dec 2000 |
| 47 | Ballard Lance E | | Oil Operator | Dec 1993 |
| 48 | Ballou Energy | | Oil Operator | Mar 2025 |
| 49 | Ballou Oil Well | | Oil Operator | Mar 1995 |
| 50 | Ballou Oil Well Service | | Oil Operator | Mar 2025 |
| 51 | Bancroft Oil LLC | Chanute, KS 66720 | Oil Operator | Feb 2025 |
| 52 | Bandy Paul L | | Oil Operator | Nov 1996 |
| 53 | Bandy, Paul & Marjorie, Irrevocable Trust | Canton, KS 67428 | Oil & Gas Operator | Nov 2009 |
| 54 | Bangert H E | | Gas Operator | Apr 1996 |
| 55 | Bankoff Oil Comp | | Oil Operator | Jun 1995 |
| 56 | Bankoff Oil Company | Tulsa, OK 74170 | Oil Operator | Sep 2003 |
| 57 | Banks Oil - Lee | | Oil & Gas Operator | Jun 1995 |
| 58 | Banks Oil Co | | Oil & Gas Operator | Mar 2025 |
| 59 | Banks, R. C. | Midland, TX 79702 | Oil & Gas Operator | Apr 2016 |
| 60 | Banner Oil | | Oil Operator | Nov 2019 |
| 61 | Banner Oil & Gas LLC | Oklahoma City, OK 73159 | Oil & Gas Operator | Apr 2025 |
| 62 | Bar CT Ranch, LP | Caney, KS 67333 | Oil Operator | Mar 2025 |
| 63 | Barbour Energy C | | Gas Operator | Jun 1993 |
| 64 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Jul 2025 |
| 65 | Barco Energy, Inc. | Great Bend, KS 67530 | Oil Operator | Jun 2001 |
| 66 | Barfield Oil Cor | | Oil Operator | Oct 1995 |
| 67 | Bargo Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2014 |
| 68 | Barker Oil | | Oil Operator | Sep 2023 |
| 69 | Barline Oil, LLC | Wichita, KS 67206 | Oil Operator | Nov 2019 |
| 70 | Barnard Oil Operations | | Oil Operator | Mar 2025 |
| 71 | Barnard Wells Co | | Oil Operator | Nov 2000 |
| 72 | Barnes Hugoton C | | Gas Operator | Oct 1993 |
| 73 | Barnes, Cordell W. | Caney, KS 67333 | Oil Operator | Dec 1986 |
| 74 | Barnes, L.- Oil Company | | Oil Operator | Jan 2014 |
| 75 | Barnett Oil | | Oil Operator | Oct 2009 |
| 76 | Barnett Oil Co | | Oil & Gas Operator | Dec 2009 |
| 77 | Barr Energy LLC | | Oil Operator | Jun 2010 |
| 78 | Barracuda Operating Company | Ness City, KS 67560 | Oil Operator | Mar 2025 |
| 79 | Bartling Oil Com | | Gas Operator | Dec 1992 |
| 80 | Bartling Oil Company | Austin, TX 78733 | Gas Operator | Jun 2017 |
| 81 | Barton Exploration, Inc. | Hays, KS 67601 | Oil & Gas Operator | Mar 2025 |
| 82 | Barton Oil Compa | | Oil Operator | Jan 1986 |
| 83 | Barton, Athol Oil , Inc. | Russell, KS 67665 | Oil Operator | Jul 2001 |
| 84 | Barts Oilfield Servi | | Oil Operator | Mar 2025 |
| 85 | Baruch-Foster Co | | Oil Operator | Apr 1989 |
| 86 | Basgall Oil LLC | Hays, KS 67601 | Oil Operator | Mar 2025 |
| 87 | Basin Operating Services LLC | Oklahoma City, OK 73106-5615 | Oil & Gas Operator | Apr 2025 |
| 88 | Bates Oil | | Oil Operator | Feb 2020 |
| 89 | Bauer Oil Investment, LLC | Cleveland, MO 64734 | Oil Operator | Mar 2025 |
| 90 | Bayonet Petroleum LLC | Moran, KS 66755 | Oil Operator | Mar 2025 |
| 91 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Jul 2025 |
| 92 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jul 2025 |
| 93 | Bce-Mach LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | May 2025 |
| 94 | BDW Oil Company LLC | Chanute, KS 66720 | Oil Operator | Oct 2020 |
| 95 | Be-Co Energy Cor | | Oil & Gas Operator | Mar 1986 |
| 96 | Beacon Explorati | | Oil Operator | Apr 1987 |
| 97 | Bear Petroleum | | Oil & Gas Operator | Dec 1996 |
| 98 | Bear Petroleum Inc | Haysville, KS 67060-0438 | Oil & Gas Operator | Mar 2015 |
| 99 | Bear Petroleum LLC | Haysville, KS 67060 | Oil & Gas Operator | Mar 2025 |
| 100 | Beard Oil Compan | | Oil & Gas Operator | Jul 1987 |