| 1601 | Four-J Oil Ops | Osawatomie, KS 66064 | Oil Operator | Mar 1998 |
| 1602 | Four-Way Oper In | | Oil Operator | Aug 1994 |
| 1603 | Four-Way Operating, Inc. | Great Bend, KS 67530 | Oil Operator | Sep 2013 |
| 1604 | Fourth Quarter Program | Boulder, CO 80306 | Oil Operator | Feb 2006 |
| 1605 | Fourwinds Oil Corporation | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 1606 | Fox, Don | Chase, KS 67524 | Oil & Gas Operator | Jul 2006 |
| 1607 | Fox, Warren F. Family Trust | Plains, KS 67869 | Oil Operator | Jun 2016 |
| 1608 | Foxfire Expl. | | Oil Operator | Jun 1997 |
| 1609 | Foxfire Explorat | | Oil Operator | Dec 1986 |
| 1610 | Fpco Oil & Gas Co. | New Orleans, LA 70160 | Oil & Gas Operator | Sep 2025 |
| 1611 | Franklin Calvin | | Oil Operator | Aug 1995 |
| 1612 | Free State Petroleum | Hays, KS 67601 | Oil Operator | Jul 2021 |
| 1613 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
| 1614 | Fremont Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2014 |
| 1615 | French & Winters | | Oil Operator | Feb 1994 |
| 1616 | French R E Oil C | | Oil Operator | Feb 1994 |
| 1617 | Fritzler Resources Inc | Fort Morgan, CO 80701 | Oil & Gas Operator | Nov 2025 |
| 1618 | Fritzler Trucking, Inc. | Ness City, KS 67560 | Oil Operator | Sep 2007 |
| 1619 | Froelich Oil | | Oil Operator | Apr 2010 |
| 1620 | Frontier Land Company, Inc. | Leawood, KS 66206 | Oil Operator | Sep 2008 |
| 1621 | Frontier Oil Com | | Oil & Gas Operator | May 1995 |
| 1622 | Frontier Oil Company | | Oil Operator | Oct 1999 |
| 1623 | Fuller Oil | Iola, KS 66749 | Oil Operator | Jun 2001 |
| 1624 | Funk Oil & Operating, LLC | Russell, KS 67665 | Oil Operator | Jul 2024 |
| 1625 | Further Developm | | Oil Operator | Apr 1986 |
| 1626 | Future Energy Li | | Oil Operator | Nov 1991 |
| 1627 | Fyler Oil, LLC | McPherson, KS 67460 | Oil Operator | Sep 2025 |
| 1628 | Fyler, M. A. | Rangley, CO 81648 | Oil Operator | Mar 1988 |
| 1629 | G & C Oil | | Oil Operator | Aug 2025 |
| 1630 | G & G Oil Compan | | Oil Operator | Sep 1993 |
| 1631 | G & G Resources Company Inc | Broken Arrow, OK 74013 | Oil & Gas Operator | May 2013 |
| 1632 | G & J Oil Company, Inc. | Caney, KS 67333 | Oil & Gas Operator | Sep 2025 |
| 1633 | G & J Petroleum, Inc. | McCracken, KS 67556 | Oil Operator | Jul 2025 |
| 1634 | G & L Oil Compan | | Oil Operator | Oct 1988 |
| 1635 | G & M Well Seriv | | Oil Operator | Nov 1995 |
| 1636 | G & N Well Service, A General Partnership | Thayer, KS 66776 | Gas Operator | Sep 2025 |
| 1637 | G & R Oil Co | St. John, KS 67576 | Oil Operator | Aug 2008 |
| 1638 | G & W Oil Prod - | | Oil Operator | Oct 1995 |
| 1639 | G And D Oil Company | Welda, KS 66091 | Oil Operator | Nov 1997 |
| 1640 | G And T Petroleum Consulting And Management | McCracken, KS 67556 | Oil Operator | Aug 2014 |
| 1641 | G L M Company | | Oil Operator | Sep 2025 |
| 1642 | G M Enterprises | Chanute, KS 66720 | Oil Operator | Jan 1987 |
| 1643 | G M Oil | McPherson, KS 67460 | Oil Operator | Aug 1997 |
| 1644 | G-D Oil Oper - D | | Oil Operator | Apr 1990 |
| 1645 | G-D Oil Operations | | Oil Operator | May 1997 |
| 1646 | G.A.B.S. Oil, A General Partnership | Ness City, KS 67560 | Oil Operator | Aug 2008 |
| 1647 | Gabel, Craig | Wichita, KS 67216 | Oil Operator | Jun 2025 |
| 1648 | Gable Oil Co. | Chase, KS 67524 | Oil Operator | Sep 1998 |
| 1649 | Gable Well Service, Inc. | Chase, KS 67524 | Oil Operator | Apr 1998 |
| 1650 | Gage Oil | Canton, KS 67428 | Gas Operator | Dec 2008 |
| 1651 | Gager, Sally | Hays, KS 67601 | Oil Operator | Feb 1998 |
| 1652 | Gaines, Franklin D. | Augusta, KS 67010 | Oil Operator | Sep 2001 |
| 1653 | Galemore Oil Co. | | Oil Operator | May 2025 |
| 1654 | Galemore Oil Com | | Oil Operator | May 1991 |
| 1655 | Galemore, John E. | Chanute, KS 66720 | Oil Operator | Sep 2001 |
| 1656 | Galloway Drillin | | Oil Operator | Dec 1996 |
| 1657 | Galloway Drilling Co., Inc. | Wichita, KS 67202 | Oil Operator | Nov 2009 |
| 1658 | Galloway Petrole | | Oil Operator | Jun 1993 |
| 1659 | Gamma Resources Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2017 |
| 1660 | Garfield Oil Com | | Gas Operator | Jan 1984 |
| 1661 | Garo Investment Company | Tempe, AZ 85284 | Oil Operator | Aug 2020 |
| 1662 | Gary C. Splane | Chanute, KS 66720 | Oil Operator | Dec 2009 |
| 1663 | Gary-Williams Co (The) | Denver, CO 80202 | Oil Operator | Nov 2009 |
| 1664 | Gary-Williams Oi | | Oil & Gas Operator | Jun 1989 |
| 1665 | Gas Chasers Inc. | Claflin, KS 67525 | Gas Operator | Dec 2009 |
| 1666 | Gas Marketing, Inc. | Stafford, KS 67578 | Oil Operator | Mar 2007 |
| 1667 | Gas Producing En | | Oil & Gas Operator | Nov 1983 |
| 1668 | Gateway Resources USA Inc | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2025 |
| 1669 | Gateway Resources, LLC | Wichita, KS 67218 | Oil Operator | Sep 2025 |
| 1670 | Gator Oil Compan | | Oil Operator | May 1992 |
| 1671 | Gault Energy Cor | | Oil & Gas Operator | Jan 1988 |
| 1672 | Gear Petroleum Co Inc | Wichita, KS 67202 | Oil & Gas Operator | Dec 2009 |
| 1673 | Gee Oil Service LLC | Stafford, KS 67578 | Oil Operator | Feb 2013 |
| 1674 | Gee, Fred E. | Topeka, KS 66614 | Oil Operator | May 1998 |
| 1675 | Geist Oil Operations | | Oil Operator | Aug 2025 |
| 1676 | Gem Oil Company | Albany, TX 76430 | Oil & Gas Operator | Sep 2002 |
| 1677 | Gemini Corporati | | Oil Operator | Mar 1986 |
| 1678 | Gemini Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2025 |
| 1679 | Gen-Dor Oil Co. | | Oil & Gas Operator | Nov 2009 |
| 1680 | Gen-Dor Oil Comp | | Oil & Gas Operator | Nov 1994 |
| 1681 | Gene Karlin Company | | Oil Operator | Nov 2015 |
| 1682 | General Atlantic | | Gas Operator | Jan 1970 |
| 1683 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 1684 | General Oil Comp | | Oil & Gas Operator | Nov 1993 |
| 1685 | General Oil Company, Inc. | Wichita, KS 67213 | Oil & Gas Operator | Feb 2026 |
| 1686 | General Petroleu | | Oil Operator | Nov 1988 |
| 1687 | Geo Oil & Gas Service, A General Partnership | Iola, KS 66749 | Oil & Gas Operator | Dec 2019 |
| 1688 | Geo-Sax Petroleum | | Oil & Gas Operator | Sep 2025 |
| 1689 | Geo. R. Shaw Living Trust | Wichita, KS 67202 | Gas Operator | Dec 2009 |
| 1690 | Geodessa Corpora | | Oil Operator | Jul 1984 |
| 1691 | George, Dale R. | Olathe, KS 66062 | Oil Operator | Dec 2007 |
| 1692 | George, Mark | Leroy, KS 66857 | Oil Operator | Sep 2025 |
| 1693 | Geoson Oil Compa | | Oil Operator | Jun 1984 |
| 1694 | Gerald E Williams | | Oil Operator | Nov 1992 |
| 1695 | Gerald Michaelis Oil | | Oil Operator | Sep 2025 |
| 1696 | Gerber Energy Co | | Oil Operator | Apr 1995 |
| 1697 | German Oil Company LLC | | Oil Operator | Sep 2025 |
| 1698 | Gerstenkorn Oil Production, A General Partnership | Independence, KS 67301 | Oil Operator | Sep 2025 |
| 1699 | Gerstner, Joe | Ness City, KS 67560 | Oil Operator | Mar 2016 |
| 1700 | Getty Oil Compan | | Oil & Gas Operator | Jun 1992 |