| 1 | 3G Production, LLC | Pratt, KS 67124 | Oil & Gas Operator | Dec 2023 |
| 2 | Allam Carl Oil C | | Oil Operator | Mar 1986 |
| 3 | Allam Production, Inc. | Hutchinson, KS 67504 | Oil & Gas Operator | Dec 2023 |
| 4 | Allam WM Robt Jr | | Oil Operator | Aug 1993 |
| 5 | Anadarko Petrole | | Oil & Gas Operator | Dec 1996 |
| 6 | Anadarko Prod | | Oil & Gas Operator | Dec 1996 |
| 7 | Anstine & Musgrove Inc | Ponca City, OK 74602 | Oil & Gas Operator | Jan 2024 |
| 8 | Argent Energy (Us) Holdings Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Feb 2023 |
| 9 | Ash Donald D Oil | | Oil & Gas Operator | Feb 1986 |
| 10 | Aspen Drilling C | | Oil & Gas Operator | Aug 1988 |
| 11 | Barton Exploration, Inc. | Hays, KS 67601 | Oil & Gas Operator | Dec 2023 |
| 12 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2024 |
| 13 | Bce-Mach LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jan 2024 |
| 14 | Bear Petroleum | | Oil & Gas Operator | Dec 1996 |
| 15 | Bear Petroleum LLC | Haysville, KS 67060 | Oil & Gas Operator | Dec 2023 |
| 16 | Berexco Incorpor | | Oil & Gas Operator | Dec 1996 |
| 17 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Apr 2024 |
| 18 | Bishop, Charlus J. | Kingman, KS 67068 | Oil Operator | Sep 1997 |
| 19 | Black Frank J | | Oil & Gas Operator | Jan 1994 |
| 20 | Black Hawk Petro | | Oil Operator | Dec 1993 |
| 21 | Blueridge Petroleum Corporation | Edmond, OK 73003 | Oil & Gas Operator | Dec 2023 |
| 22 | Boyer Jay C | | Oil Operator | Feb 1994 |
| 23 | Brown Operating | | Oil & Gas Operator | Dec 1991 |
| 24 | C & C Tank Service, Inc. | Sterling, KS 67579 | Oil Operator | Oct 2020 |
| 25 | C & J Pumping, Inc. | Sylvia, KS 67581 | Oil & Gas Operator | Dec 2009 |
| 26 | Caerus Kansas LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 27 | Calgary Energy LLC | Collinsville, OK 74021 | Oil & Gas Operator | Jan 2024 |
| 28 | Cinco Exploratio | | Oil & Gas Operator | Jan 1988 |
| 29 | Cla-Mar Oil Company, LLC | Hays, KS 67601 | Oil Operator | Dec 2023 |
| 30 | Clinton Producti | | Oil Operator | Dec 1989 |
| 31 | Clinton Production, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2023 |
| 32 | Coastal Oil & Ga | | Oil & Gas Operator | Oct 1996 |
| 33 | Coats Energy, Inc. | Wichita, KS 67201 | Oil & Gas Operator | Dec 2023 |
| 34 | Commonwealth Pet | | Oil & Gas Operator | Nov 1995 |
| 35 | Corsair Energy, LC | Wichita, KS 67202 | Oil & Gas Operator | Apr 2004 |
| 36 | Darrah John J Jr | | Oil & Gas Operator | Oct 1994 |
| 37 | Davis Petroleum | | Oil & Gas Operator | Dec 1996 |
| 38 | Davis Petroleum, Inc. | Great Bend, KS 67530 | Oil Operator | Aug 2021 |
| 39 | Daystar Petroleum, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Dec 2023 |
| 40 | Deutsch Oil Company | | Oil & Gas Operator | Dec 2023 |
| 41 | DMH Petroleum, Inc. | Sterling, KS 67579 | Oil Operator | Dec 2023 |
| 42 | Dorado E & P Partners LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2024 |
| 43 | Duke Drilling Co | Wichita, KS 67202 | Oil & Gas Operator | Feb 2006 |
| 44 | Dunne Equities I | | Oil & Gas Operator | Dec 1995 |
| 45 | Eagle Exploratio | | Oil & Gas Operator | Oct 1991 |
| 46 | Edmiston Oil Company, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
| 47 | Empire Energy E & P LLC | Mayville, NY 14757 | Oil & Gas Operator | Dec 2023 |
| 48 | Energy Explorati | | Oil & Gas Operator | Oct 1993 |
| 49 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Dec 2023 |
| 50 | Enterprise Marke | | Oil & Gas Operator | Oct 1992 |
| 51 | Excalibur Prod C | | Oil & Gas Operator | Jun 1995 |
| 52 | Excalibur Production Company, Inc. | McPherson, KS 67460 | Oil & Gas Operator | Dec 2023 |
| 53 | F & M Oil Compan | | Oil & Gas Operator | Feb 1993 |
| 54 | Fairchild Explor | | Oil & Gas Operator | Apr 1995 |
| 55 | Fairchild, Bob | Kingman, KS 67068 | Oil Operator | Jan 2001 |
| 56 | Falcon Explorati | | Oil & Gas Operator | Apr 1995 |
| 57 | Falcon Exploration, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
| 58 | Fe Co. | Derby, KS 67037 | Oil & Gas Operator | Dec 2009 |
| 59 | Fyler Oil, LLC | McPherson, KS 67460 | Oil Operator | Dec 2023 |
| 60 | Garfield Oil Com | | Gas Operator | Jan 1984 |
| 61 | Glacier Petroleu | | Oil & Gas Operator | Nov 1995 |
| 62 | Globe Operating, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Dec 2019 |
| 63 | Goby Energy, Inc. | Glenwood Springs, CO 81601 | Oil Operator | Dec 2019 |
| 64 | Grand Mesa Operating Company | Wichita, KS 67206 | Oil & Gas Operator | Feb 2024 |
| 65 | Griggs Oil Incor | | Oil & Gas Operator | May 1994 |
| 66 | H & H Oil Compan | | Oil & Gas Operator | Aug 1995 |
| 67 | H & H Production | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
| 68 | H & W Oil Company, Incorporated | Palm Desert, CA 92255 | Oil Operator | Nov 2017 |
| 69 | H-30 Incorporate | | Oil & Gas Operator | Nov 1990 |
| 70 | H3 Oil & Gas | | Oil & Gas Operator | Dec 2023 |
| 71 | Hadaway Consulting And Engineering LLC | Canadian, TX 79014 | Oil & Gas Operator | Jan 2024 |
| 72 | Hall Oil And Gas LLC | Midland, TX 79707 | Oil & Gas Operator | Apr 2024 |
| 73 | Halliburton Oil Producing Co. | Duncan, OK 73534 | Oil & Gas Operator | Apr 2016 |
| 74 | Haven Oil & Gas | Hutchinson, KS 67504 | Oil & Gas Operator | Mar 2009 |
| 75 | Hembree Oil Production, LLC | Great Bend, KS 67530 | Oil Operator | Dec 2023 |
| 76 | Herman L. Loeb, LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Dec 2023 |
| 77 | Hesse Petroleum Co.,L.L.C. | Wichita, KS 67208 | Oil & Gas Operator | Dec 2023 |
| 78 | HG Oil Holdings, LLC | Hoisington, KS 67544 | Oil & Gas Operator | Dec 2023 |
| 79 | Hiebert & Wedel | | Oil & Gas Operator | May 1995 |
| 80 | Hiebert, D. O. Lewis | McPherson, KS 67460 | Oil Operator | Feb 1999 |
| 81 | Hinkle Oil Compa | | Oil & Gas Operator | Nov 1994 |
| 82 | Hinkle Oil Company | Wichita, KS 67202 | Oil & Gas Operator | Jan 1999 |
| 83 | Hoffman Resources LLC | Hoisington, KS 67544 | Oil & Gas Operator | Dec 2023 |
| 84 | Honey Oil Co | Wichita, KS 67226 | Oil & Gas Operator | Mar 2009 |
| 85 | Howell Oil Company | Hutchinson, KS 67504 | Oil & Gas Operator | Dec 2023 |
| 86 | Infinity Oil, Inc. | Hays, KS 67601 | Oil Operator | Dec 2023 |
| 87 | Jay Boy Oil Inco | | Oil & Gas Operator | May 1992 |
| 88 | JFW Incorporated | Plevna, KS 67568 | Oil & Gas Operator | Oct 2006 |
| 89 | Kahan & Assoc In | | Oil Operator | Dec 1996 |
| 90 | Kahan And Associates, Inc | Tulsa, OK 74170 | Oil & Gas Operator | Jan 2024 |
| 91 | Kantor Oil Compa | | Oil Operator | Aug 1994 |
| 92 | Kantor Oil Company, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 93 | Kinderhook Oil & | | Oil Operator | Dec 1993 |
| 94 | Kytex, Inc. | Wichita, KS 67230 | Oil Operator | Dec 2019 |
| 95 | L. D. Drilling, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Dec 2023 |
| 96 | Lachenmayr Oil C | | Oil Operator | Sep 1996 |
| 97 | Legacy Petroleum LLC | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2023 |
| 98 | Little Chief Energy Corporation | Independence, KS 67301 | Oil Operator | Dec 2023 |
| 99 | Loeb Herman L | | Oil & Gas Operator | Jan 1996 |
| 100 | Lonny Bruce Operations, L.L.C. | McPherson, KS 67460 | Oil & Gas Operator | Apr 2009 |