| 1 | G & C Oil | | Oil Operator | Jun 2025 |
| 2 | G & G Oil Compan | | Oil Operator | Sep 1993 |
| 3 | G & G Resources Company Inc | Broken Arrow, OK 74013 | Oil & Gas Operator | May 2013 |
| 4 | G & J Oil Company, Inc. | Caney, KS 67333 | Oil & Gas Operator | Jun 2025 |
| 5 | G & J Petroleum, Inc. | McCracken, KS 67556 | Oil Operator | Jun 2025 |
| 6 | G & L Oil Compan | | Oil Operator | Oct 1988 |
| 7 | G & M Well Seriv | | Oil Operator | Nov 1995 |
| 8 | G & N Well Service, A General Partnership | Thayer, KS 66776 | Gas Operator | Feb 2025 |
| 9 | G & R Oil Co | St. John, KS 67576 | Oil Operator | Aug 2008 |
| 10 | G & W Oil Prod - | | Oil Operator | Oct 1995 |
| 11 | G And D Oil Company | Welda, KS 66091 | Oil Operator | Nov 1997 |
| 12 | G And T Petroleum Consulting And Management | McCracken, KS 67556 | Oil Operator | Aug 2014 |
| 13 | G L M Company | | Oil Operator | Jun 2025 |
| 14 | G M Enterprises | Chanute, KS 66720 | Oil Operator | Jan 1987 |
| 15 | G M Oil | McPherson, KS 67460 | Oil Operator | Aug 1997 |
| 16 | G-D Oil Oper - D | | Oil Operator | Apr 1990 |
| 17 | G-D Oil Operations | | Oil Operator | May 1997 |
| 18 | G.A.B.S. Oil, A General Partnership | Ness City, KS 67560 | Oil Operator | Aug 2008 |
| 19 | Gabel, Craig | Wichita, KS 67216 | Oil Operator | Jun 2025 |
| 20 | Gable Oil Co. | Chase, KS 67524 | Oil Operator | Sep 1998 |
| 21 | Gable Well Service, Inc. | Chase, KS 67524 | Oil Operator | Apr 1998 |
| 22 | Gager, Sally | Hays, KS 67601 | Oil Operator | Feb 1998 |
| 23 | Gaines, Franklin D. | Augusta, KS 67010 | Oil Operator | Sep 2001 |
| 24 | Galemore Oil Co. | | Oil Operator | May 2025 |
| 25 | Galemore Oil Com | | Oil Operator | May 1991 |
| 26 | Galemore, John E. | Chanute, KS 66720 | Oil Operator | Sep 2001 |
| 27 | Galloway Drillin | | Oil Operator | Dec 1996 |
| 28 | Galloway Drilling Co., Inc. | Wichita, KS 67202 | Oil Operator | Nov 2009 |
| 29 | Galloway Petrole | | Oil Operator | Jun 1993 |
| 30 | Gamma Resources Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2017 |
| 31 | Garfield Oil Com | | Gas Operator | Jan 1984 |
| 32 | Garo Investment Company | Tempe, AZ 85284 | Oil Operator | Aug 2020 |
| 33 | Gary C. Splane | Chanute, KS 66720 | Oil Operator | Dec 2009 |
| 34 | Gary-Williams Co (The) | Denver, CO 80202 | Oil Operator | Nov 2009 |
| 35 | Gary-Williams Oi | | Oil & Gas Operator | Jun 1989 |
| 36 | Gas Chasers Inc. | Claflin, KS 67525 | Gas Operator | Dec 2009 |
| 37 | Gas Marketing, Inc. | Stafford, KS 67578 | Oil Operator | Mar 2007 |
| 38 | Gas Producing En | | Oil & Gas Operator | Nov 1983 |
| 39 | Gateway Resources USA Inc | Bartlesville, OK 74006 | Oil & Gas Operator | Aug 2025 |
| 40 | Gateway Resources, LLC | Wichita, KS 67218 | Oil Operator | Jun 2025 |
| 41 | Gator Oil Compan | | Oil Operator | May 1992 |
| 42 | Gear Petroleum Co Inc | Wichita, KS 67202 | Oil & Gas Operator | Dec 2009 |
| 43 | Gee Oil Service LLC | Stafford, KS 67578 | Oil Operator | Feb 2013 |
| 44 | Gee, Fred E. | Topeka, KS 66614 | Oil Operator | May 1998 |
| 45 | Geist Oil Operations | | Oil Operator | Jun 2025 |
| 46 | Gem Oil Company | Albany, TX 76430 | Oil & Gas Operator | Sep 2002 |
| 47 | Gemini Corporati | | Oil Operator | Mar 1986 |
| 48 | Gemini Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2025 |
| 49 | Gen-Dor Oil Co. | | Oil & Gas Operator | Nov 2009 |
| 50 | Gen-Dor Oil Comp | | Oil & Gas Operator | Nov 1994 |
| 51 | Gene Karlin Company | | Oil Operator | Nov 2015 |
| 52 | General Atlantic | | Gas Operator | Jan 1970 |
| 53 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 54 | General Oil Comp | | Oil & Gas Operator | Nov 1993 |
| 55 | General Oil Company, Inc. | Wichita, KS 67213 | Oil & Gas Operator | Dec 2025 |
| 56 | General Petroleu | | Oil Operator | Nov 1988 |
| 57 | Geo Oil & Gas Service, A General Partnership | Iola, KS 66749 | Oil & Gas Operator | Dec 2019 |
| 58 | Geo-Sax Petroleum | | Oil & Gas Operator | Jun 2025 |
| 59 | Geo. R. Shaw Living Trust | Wichita, KS 67202 | Gas Operator | Dec 2009 |
| 60 | Geodessa Corpora | | Oil Operator | Jul 1984 |
| 61 | George, Dale R. | Olathe, KS 66062 | Oil Operator | Dec 2007 |
| 62 | George, Mark | Leroy, KS 66857 | Oil Operator | Jun 2025 |
| 63 | Geoson Oil Compa | | Oil Operator | Jun 1984 |
| 64 | Gerald E Williams | | Oil Operator | Nov 1992 |
| 65 | Gerald Michaelis Oil | | Oil Operator | Jun 2025 |
| 66 | Gerber Energy Co | | Oil Operator | Apr 1995 |
| 67 | German Oil Company LLC | | Oil Operator | Jun 2025 |
| 68 | Gerstenkorn Oil Production, A General Partnership | Independence, KS 67301 | Oil Operator | Apr 2025 |
| 69 | Gerstner, Joe | Ness City, KS 67560 | Oil Operator | Mar 2016 |
| 70 | Getty Oil Compan | | Oil & Gas Operator | Jun 1992 |
| 71 | Getty Oil Company | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 72 | Giant Exploratio | | Oil & Gas Operator | Aug 1992 |
| 73 | Giant Exploration & Prod Co | Farmington, NM 87499 | Oil & Gas Operator | Dec 2009 |
| 74 | Giant Holding, LLC | Tucson, AZ 85713 | Oil & Gas Operator | Mar 2025 |
| 75 | Gideon Oil Operations | | Oil Operator | Jun 2025 |
| 76 | Giebler Oil Comp | | Oil Operator | Aug 1991 |
| 77 | Gilbert-Stewart Operating LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2025 |
| 78 | Giles, Benjamin M. | Towanda, KS 67144 | Oil & Gas Operator | Oct 2016 |
| 79 | Gillam Chuck Oil | | Oil Operator | Sep 1993 |
| 80 | Gilliland, Anthony L. | Edwardsville, KS 66111 | Oil Operator | Jun 2025 |
| 81 | Gillman, John | Independence, KS 67301 | Oil Operator | Sep 2007 |
| 82 | Gilmore Tank Service | Chase, KS 67524 | Oil Operator | Apr 2005 |
| 83 | Gilmore, Jeff | Great Bend, KS 67530 | Oil & Gas Operator | Dec 2009 |
| 84 | Ginther Oil, Inc. | Russell, KS 67665 | Oil Operator | Nov 2019 |
| 85 | Givens, Bret | Hutchinson, KS 67501 | Oil Operator | Apr 2025 |
| 86 | Glacier Petroleu | | Oil & Gas Operator | Nov 1995 |
| 87 | Glacier Petroleum Co Inc | Emporia, KS 66801 | Oil & Gas Operator | Jun 2025 |
| 88 | Glaves Oil Company | Douglass, KS 67039 | Oil Operator | Mar 2019 |
| 89 | Glaze Alva G Dri | | Oil Operator | Apr 1991 |
| 90 | GLB Exploration Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2025 |
| 91 | Glen J. Oil Company | Independence, KS 67301 | Oil Operator | Jul 1997 |
| 92 | Glenda Gas Compa | | Oil Operator | Sep 1988 |
| 93 | Glenn Supply Com | | Oil Operator | Apr 1989 |
| 94 | Glenn Supply Company, Inc. | Tulsa, OK 74101 | Oil & Gas Operator | Aug 2025 |
| 95 | Glenwood Resources, Inc. | Wheat Ridge, CO 80033 | Oil & Gas Operator | Apr 2025 |
| 96 | Glickman Incorpo | | Oil Operator | Jun 1988 |
| 97 | GLM Energy Inc | Oklahoma City, OK 73142 | Oil & Gas Operator | Aug 2025 |
| 98 | Global Exploration, LTD. | Wellington, KS 67152 | Oil Operator | Jun 2019 |
| 99 | Global Natural R | | Oil & Gas Operator | Oct 1990 |
| 100 | Globe Exploratio | | Oil & Gas Operator | Jun 1995 |