| 12901 | Heather & Randy Iantorno Oil | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 12902 | Heatherly, Darl H. | Belington, WV 26250 | Gas Operator | Dec 2021 |
| 12903 | Heaton Everill L | Exeter, CA 93221-2340 | Oil & Gas Operator | Sep 2014 |
| 12904 | Hebert & Rucks L.L.C. | | Oil & Gas Operator | May 2002 |
| 12905 | Hebron Energy, LLC | Dallas, TX 75206 | Oil Operator | Jul 2018 |
| 12906 | Hec Petroleum, Inc | Midland, TX 79705 | Oil & Gas Operator | Mar 2006 |
| 12907 | Hedges Spencer | Casper, WY 82604 | Oil Operator | Mar 2024 |
| 12908 | Hedrick Production Inc. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Mar 2026 |
| 12909 | Hedrick, Thomasine | Severy, KS 67137 | Oil Operator | May 2011 |
| 12910 | Heflin, Bryan Exploration, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Mar 2008 |
| 12911 | Heger J J & Asso | | Oil Operator | Jun 1983 |
| 12912 | Hegwald, Jacob L. | Humboldt, KS 66748 | Oil Operator | Nov 2019 |
| 12913 | Hehns Quality Gardens Inc | Wadsworth, OH 44281 | Oil & Gas Operator | Dec 2024 |
| 12914 | Heifer Production Company LLC | Houston, TX 77098 | Oil & Gas Operator | Mar 2026 |
| 12915 | Heights Energy Corporation | Plano, TX 75026 | Oil & Gas Operator | Mar 2026 |
| 12916 | Heim, William J. | Springville, NY 14141 | Gas Operator | Dec 2024 |
| 12917 | Heineman, Ronald F. | Caledonia, NY 14423 | Gas Operator | Dec 2024 |
| 12918 | Heinrich Enterprises Inc Dba Washington Operations | Reno, OH 45773 | Oil & Gas Operator | Dec 2024 |
| 12919 | Heinrich Enterprises, Inc. | Reno, OH 45773-0305 | Oil & Gas Operator | Dec 2021 |
| 12920 | Heinrich Production Co Inc | Lubbuck, TX 79424 | Oil Operator | Dec 2024 |
| 12921 | Heintz Gas & Oil Company, Inc. | Allegany, NY 14706 | Gas Operator | Dec 2024 |
| 12922 | Heisey Ventures, Inc. | Houston, TX 77019 | Oil & Gas Operator | Mar 2026 |
| 12923 | Helberg Oil Comp | | Oil Operator | Mar 1995 |
| 12924 | Helbing & Podpechan | Clarence, OK 74018 | Oil & Gas Operator | May 1983 |
| 12925 | Held By Producti | | Oil & Gas Operator | Feb 1995 |
| 12926 | Held By Production, Inc. | Houston, TX 77251 | Oil & Gas Operator | May 1996 |
| 12927 | Helemrich & Payne Inc | Iraan, TX 79744 | Oil & Gas Operator | Sep 2002 |
| 12928 | Helena Production Corp | | Oil & Gas Operator | Dec 1991 |
| 12929 | Helena Resources Inc | Lakewood, CO 80215 | Oil & Gas Operator | Jan 2026 |
| 12930 | Helena Resources LLC | Helena, OK 73741 | Oil & Gas Operator | Dec 2025 |
| 12931 | Helios Operating, LLC | Houston, TX 77056 | Oil & Gas Operator | Mar 2026 |
| 12932 | Helis Oil & Gas Company LLC Estate | New Orleans, LA 70130 | Oil & Gas Operator | Jul 2022 |
| 12933 | Helis Oil & Gas Company, L.L.C. | New Orleans, LA 70130 | Oil & Gas Operator | Oct 2023 |
| 12934 | Helis, William G. Co., LLC, The | New Orleans, LA 70130 | Oil & Gas Operator | Oct 2003 |
| 12935 | Helis,WM.G.,Est., A Partnership | New Orleans, LA 70130 | Oil & Gas Operator | Aug 2003 |
| 12936 | Helke Exploration Company | Oklahoma City, OK 73112-7201 | Oil & Gas Operator | Feb 2000 |
| 12937 | Hellar Drilling | | Oil & Gas Operator | Jan 1994 |
| 12938 | Hellar Drilling Company, Inc. | Wichita, KS 67208 | Oil & Gas Operator | Jan 2009 |
| 12939 | Hellard Elmer J | Sapulpa, OK 74066 | Oil & Gas Operator | Jan 2026 |
| 12940 | Heller Phillip & Charlene | Columbia, MO 65201 | Oil & Gas Operator | Dec 2025 |
| 12941 | Hellifino Operating, LLC | San Antonio, TX 78212 | Oil Operator | Mar 2026 |
| 12942 | Hellman Properties LLC | | Oil & Gas Operator | Dec 2025 |
| 12943 | Hellums, Harold | Cedar Creek, TX 78612 | Oil & Gas Operator | Mar 2008 |
| 12944 | Helm Energy Company | Tulsa, OK 74133 | Oil Operator | Sep 2025 |
| 12945 | Helmcamp, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2002 |
| 12946 | Helmco LTD | Kiefer, OK 74041-0397 | Oil & Gas Operator | Jan 2007 |
| 12947 | Helmco Production Company | Pawhuska, OK 74056 | Oil Operator | Aug 2000 |
| 12948 | Helmer Oil Corporation | | Oil & Gas Operator | Dec 2025 |
| 12949 | Helmer, Bonnie J | | Oil Operator | Dec 2025 |
| 12950 | Helmerich & Payn | | Oil & Gas Operator | Aug 1995 |
| 12951 | Helmerich & Payne, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Dec 2025 |
| 12952 | Helmhold Oil Incorporated | Wellsville, NY 14895 | Oil Operator | Dec 2024 |
| 12953 | Helms Oil | Brinkhaven, OH 43006 | Oil Operator | Dec 2018 |
| 12954 | Helms Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2026 |
| 12955 | Helo Energy, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2001 |
| 12956 | Helsel, Allan J | South Haven, KS 67140 | Oil Operator | Aug 2025 |
| 12957 | Helton Oil Company | Edmond, OK 73083-7283 | Oil & Gas Operator | Aug 2016 |
| 12958 | Helton Petroleum | Pampa, TX 79066 | Oil & Gas Operator | Mar 2026 |
| 12959 | Helton, Pat A. & Alberta | Allison, TX 79003 | Oil & Gas Operator | Mar 2026 |
| 12960 | Hembree Alva | Oklahoma City, OK 73151-9145 | Oil & Gas Operator | Jun 2016 |
| 12961 | Hembree Brit W | Shawnee, OK 74802-1725 | Oil & Gas Operator | Dec 2025 |
| 12962 | Hembree Oil Production, LLC | Great Bend, KS 67530 | Oil Operator | Sep 2025 |
| 12963 | Hembree Robert F | | Oil Operator | Dec 2009 |
| 12964 | Hemco Development, LLC | Dallas, TX 75201 | Oil & Gas Operator | Nov 2020 |
| 12965 | Hemco Production, L. L. C. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2016 |
| 12966 | Hemenger Daniel A | Erie, PA 16510-2035 | Gas Operator | Dec 2025 |
| 12967 | Hemstead Oil Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2001 |
| 12968 | Hemus, Inc. | Bellaire, TX 77401 | Oil & Gas Operator | Sep 1994 |
| 12969 | Henderson & Erickson, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2026 |
| 12970 | Henderson Charles E | Bokoshe, OK 74930 | Gas Operator | Oct 2021 |
| 12971 | Henderson Don Inc | Oklahoma City, OK 73134-1753 | Oil & Gas Operator | Aug 2013 |
| 12972 | Henderson Exploration Company | Tulsa, OK 74120 | Oil & Gas Operator | May 2013 |
| 12973 | Henderson Fred J | Okmulgee, OK 74447 | Oil & Gas Operator | Dec 2025 |
| 12974 | Henderson Natural Res, L.L.C. | Crozet, VA 22932 | Oil & Gas Operator | Mar 2026 |
| 12975 | Henderson Oil & Gas | | Oil Operator | Sep 1990 |
| 12976 | Henderson Pet Corp Of Delaware | | Oil & Gas Operator | Oct 2019 |
| 12977 | Henderson Petroleum Corp | San Angelo, TX 76906 | Oil & Gas Operator | Jul 2013 |
| 12978 | Henderson, Bryan, Co. | Dallas, TX 75225 | Oil & Gas Operator | Mar 2026 |
| 12979 | Henderson, Chris | Pawhuska, OK 74056 | Oil Operator | Dec 2009 |
| 12980 | Henderson, Peter Oil Co. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2020 |
| 12981 | Henderson, Sam F. | Odessa, TX 79760 | Oil & Gas Operator | Nov 2002 |
| 12982 | Henderson, Sam W. | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2019 |
| 12983 | Hendon WM E. Jr. Rev LVNG Trust | Everett, WA 98208 | Oil & Gas Operator | Mar 2026 |
| 12984 | Hendrickson Lester | Delaware, OK 74027-9715 | Oil Operator | Mar 2015 |
| 12985 | Hendrickson W R | Beggs, OK 74421-2936 | Oil & Gas Operator | Jun 2023 |
| 12986 | Hendrix, John H. Corporation | Midland, TX 79705 | Oil & Gas Operator | Sep 2018 |
| 12987 | Hendry Energy Services | | Oil Operator | Dec 2024 |
| 12988 | Henergy Oil & Gas LLC | | Oil Operator | Jan 2025 |
| 12989 | Henley Operating | Nocona, TX 76255 | Oil & Gas Operator | Mar 2026 |
| 12990 | Henley, VIola F | | Oil Operator | Dec 2025 |
| 12991 | Hennan Resources, Inc. | Great Neck, NY 11021 | Gas Operator | Nov 1997 |
| 12992 | Hennessey Oil & Gas LLC | Hennessey, OK 73742-0212 | Oil & Gas Operator | Sep 2024 |
| 12993 | Hennessy Oil Com | | Oil Operator | Mar 1991 |
| 12994 | Hennig Production Co., Inc. | Tyler, TX 75701 | Oil & Gas Operator | Mar 2026 |
| 12995 | Henrich, Adam Gabriel | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 12996 | Henrich, John W. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 12997 | Henry And Jane Fong | | Oil Operator | Dec 1989 |
| 12998 | Henry Billy Or Connie | Okemah, OK 74859-6075 | Oil & Gas Operator | Jul 2021 |
| 12999 | Henry Gungoll Operating Inc | Enid, OK 73703 | Oil & Gas Operator | Jan 2026 |
| 13000 | Henry Oil & Gas Inc | Oklahoma City, OK 73127 | Oil & Gas Operator | Jul 2009 |