| 1 | Alexander, Jesse R. | McPherson, KS 67460 | Oil Operator | Aug 2010 |
| 2 | Allam Production, Inc. | Hutchinson, KS 67504 | Oil & Gas Operator | Dec 2025 |
| 3 | Alpine Drilling | | Oil & Gas Operator | May 1994 |
| 4 | Anderson Thornto | | Oil & Gas Operator | Mar 1995 |
| 5 | Ash Donald D Oil | | Oil & Gas Operator | Feb 1986 |
| 6 | Associated Oil & | | Oil Operator | Mar 1986 |
| 7 | Bear Petroleum | | Oil & Gas Operator | Dec 1996 |
| 8 | Bear Petroleum LLC | Haysville, KS 67060 | Oil & Gas Operator | Dec 2025 |
| 9 | Big 'O' | | Oil Operator | Dec 2025 |
| 10 | Big Eight Energy, L.L.C. | Wichita, KS 67275 | Oil Operator | Dec 2009 |
| 11 | Blackstone Drill | | Oil & Gas Operator | Jan 1989 |
| 12 | Brigman Prod Inc | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2009 |
| 13 | Brown Operating | | Oil & Gas Operator | Dec 1991 |
| 14 | Bruce Oil Company, LLC | McPherson, KS 67460 | Oil Operator | Dec 2025 |
| 15 | Buffalo Oil & Gas LLC | Oxford, KS 67119 | Oil & Gas Operator | Dec 2025 |
| 16 | Byers Clarice An | | Oil Operator | Nov 1988 |
| 17 | Carlon Oil & Gas Co Inc | Derby, KS 67037 | Gas Operator | Dec 2025 |
| 18 | Cascade Oil Comp | | Oil & Gas Operator | Dec 1994 |
| 19 | Cat Energy, LLC | Galva, KS 67443 | Oil Operator | Aug 2008 |
| 20 | CK Oil & Gas LLC | Herington, KS 67449 | Oil & Gas Operator | Mar 2025 |
| 21 | Commonwealth Pet | | Oil & Gas Operator | Nov 1995 |
| 22 | Considine, Barry | Burrton, KS 67020 | Gas Operator | Mar 2025 |
| 23 | Continental Ener | | Oil & Gas Operator | Dec 1996 |
| 24 | Cortam, Inc. | Augusta, KS 67010 | Oil Operator | Dec 2024 |
| 25 | Crowe Drilling C | | Oil & Gas Operator | May 1995 |
| 26 | Cyclone Petroleum, Incorporated | Jenks, OK 74037 | Oil & Gas Operator | Nov 2025 |
| 27 | D U Investments | Salina, KS 67401 | Oil & Gas Operator | Dec 2009 |
| 28 | Davis, Billy F. | Tulsa, OK 74152 | Oil Operator | Jun 1988 |
| 29 | Daystar Petroleum Inc | Eureka, KS 67045 | Oil & Gas Operator | Dec 2025 |
| 30 | Dell-Ray Investments, Inc. | Nickerson, KS 67561 | Oil Operator | Dec 2019 |
| 31 | Driller'S & Prod | | Oil & Gas Operator | Oct 1994 |
| 32 | Drillers & Producers, Inc. | Newton, KS 67114 | Oil Operator | Dec 2019 |
| 33 | Eagle Creek Resources, LLC | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2024 |
| 34 | Eagle Energy | Midland, TX 79710 | Oil & Gas Operator | Aug 1994 |
| 35 | Eagle Resources | | Oil & Gas Operator | Mar 1987 |
| 36 | Energy Three Inc. | Jackson, MS 39211 | Oil & Gas Operator | Dec 2025 |
| 37 | Evolution Oil & | | Oil & Gas Operator | Apr 1993 |
| 38 | Excalibur Prod C | | Oil & Gas Operator | Jun 1995 |
| 39 | Excalibur Production Company, Inc. | McPherson, KS 67460 | Oil & Gas Operator | Dec 2025 |
| 40 | Fairchild Explor | | Oil & Gas Operator | Apr 1995 |
| 41 | Falcon Exploration, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2025 |
| 42 | Fell Oil & Gas C | | Oil Operator | Oct 1991 |
| 43 | Folk Oil | | Oil Operator | Dec 2009 |
| 44 | Gould Oil Incorp | | Oil & Gas Operator | May 1996 |
| 45 | Graber Oil | Hutchinson, KS 67502 | Oil & Gas Operator | Oct 2018 |
| 46 | Hartman Oil Company Inc | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 47 | HG Oil Holdings, LLC | Hoisington, KS 67544 | Oil & Gas Operator | Dec 2025 |
| 48 | Howell Oil Compa | | Oil & Gas Operator | Aug 1995 |
| 49 | Howell Oil Company | Hutchinson, KS 67504 | Oil & Gas Operator | Dec 2025 |
| 50 | J D Dreiling Oil, Inc. | Claflin, KS 67525 | Oil Operator | Dec 2025 |
| 51 | Jay Boy Oil Inco | | Oil & Gas Operator | May 1992 |
| 52 | Jones And Buck Development LLC | Sedan, KS 67361 | Oil & Gas Operator | Feb 2026 |
| 53 | K S Oil Company Inc | Norman, OK 73072-7480 | Oil & Gas Operator | Jan 2026 |
| 54 | K3 Oil & Gas Operating Company | Spring, TX 77383 | Oil & Gas Operator | Feb 2026 |
| 55 | Kachina Oil Comp | | Oil & Gas Operator | Jan 1988 |
| 56 | Kantor Oil Compa | | Oil Operator | Aug 1994 |
| 57 | Kantor Oil Company LLC | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2026 |
| 58 | Koehn Radell W | | Oil Operator | Dec 2009 |
| 59 | Krehbiel, Brian | Burrton, KS 67020 | Gas Operator | Mar 2025 |
| 60 | Krehbiel, Jay | | Oil Operator | Dec 2025 |
| 61 | Lachenmayr Oil C | | Oil Operator | Sep 1996 |
| 62 | Lachenmayr Oil LLC | Newton, KS 67114 | Oil & Gas Operator | Dec 2025 |
| 63 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 64 | M & M Exploration Inc | Westminster, CO 80031 | Oil & Gas Operator | Feb 2026 |
| 65 | Mid Kansas Gas Gathering | | Gas Operator | Dec 2025 |
| 66 | Milburn, Harold J. | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2003 |
| 67 | Mohawk Petroleum | | Oil & Gas Operator | Jan 1995 |
| 68 | MW Oil, Inc | | Oil & Gas Operator | Dec 2025 |
| 69 | MWK Petroleum, LLC | Augusta, KS 67010 | Oil Operator | Dec 2025 |
| 70 | Norstar Petroleum Inc | Englewood, CO 80112 | Oil & Gas Operator | Dec 2025 |
| 71 | Ocean Energy Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 72 | Oil Capital Corporation | Littleton, CO 80122 | Gas Operator | May 2009 |
| 73 | Oil Property Man | | Oil & Gas Operator | Jun 1995 |
| 74 | Orca Operating Company LLC | Houston, TX 77056 | Oil & Gas Operator | Feb 2026 |
| 75 | Palomino Petrole | | Oil & Gas Operator | Dec 1995 |
| 76 | Palomino Petroleum Inc | Newton, KS 67114 | Oil & Gas Operator | Dec 2025 |
| 77 | Pauley Oil | | Oil Operator | Dec 2025 |
| 78 | Petro Energies I | | Oil & Gas Operator | Apr 1991 |
| 79 | Phillips Petrole | | Oil & Gas Operator | May 1995 |
| 80 | Pintail Petroleum, LTD. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2021 |
| 81 | Plains Oil & Gas | Cushing, OK 74023-4819 | Oil & Gas Operator | Jan 2019 |
| 82 | Rains & Williams | | Oil & Gas Operator | Nov 1995 |
| 83 | Raymond Oil Co., Inc. | Wichita, KS 67201 | Oil & Gas Operator | Dec 2025 |
| 84 | Raymond Oil Comp | | Oil & Gas Operator | Dec 1996 |
| 85 | Recovery Resourc | | Oil Operator | Dec 1986 |
| 86 | Ressler Well Service, Inc. | Burrton, KS 67020 | Oil & Gas Operator | Dec 2025 |
| 87 | Rierson Energy, LLC | McPherson, KS 67460 | Oil & Gas Operator | Dec 2025 |
| 88 | Scheck Oil Operation | | Oil & Gas Operator | Dec 2025 |
| 89 | Schmidt Kermit O | | Oil & Gas Operator | Sep 1995 |
| 90 | Schneider Oil Co | | Oil Operator | Oct 1988 |
| 91 | Schulz Oil & Gas, Inc. | Canton, KS 67428 | Oil & Gas Operator | Dec 2024 |
| 92 | Schulz Roger A | | Oil & Gas Operator | Dec 1996 |
| 93 | Slawson Donald C | Wichita, KS 67202 | Oil & Gas Operator | Oct 2025 |
| 94 | Slo Oil, LLC | El Dorado, KS 67042 | Oil Operator | Dec 2025 |
| 95 | Southern States | | Oil & Gas Operator | Jul 1988 |
| 96 | Sterling Drillin | | Oil & Gas Operator | Mar 1992 |
| 97 | Stucky Oil Compa | | Oil Operator | Mar 1988 |
| 98 | Stucky, Kenneth R. Oil & Gas Operations | Burrton, KS 67020 | Oil & Gas Operator | Aug 2002 |
| 99 | Te-Pe Oil & Gas | | Oil & Gas Operator | Dec 2025 |
| 100 | Texaco Explorati | | Oil & Gas Operator | Dec 1996 |