| 12701 | HB Energy LLC | Wellsville, KS 66092 | Oil Operator | Jul 2024 |
| 12702 | HB Oil Company | Abilene, TX 79602 | Oil & Gas Operator | Jun 2023 |
| 12703 | HBC Oil Company, LLC | San Antonio, TX 78266 | Oil Operator | Nov 2024 |
| 12704 | HC Resources, Inc. | | Oil & Gas Operator | Jul 2011 |
| 12705 | Hce Operating LLC | Smyer, TX 79367 | Oil & Gas Operator | Nov 2024 |
| 12706 | HCG Energy Corporation & Subs | | Oil & Gas Operator | Mar 2015 |
| 12707 | HCL Inc | Woodward, OK 73802-1074 | Oil Operator | Mar 2015 |
| 12708 | HCM | Dallas, TX 75206 | Oil & Gas Operator | Mar 2015 |
| 12709 | HCW Exploration, Inc. | | Oil & Gas Operator | Jun 1986 |
| 12710 | HD Special-Situations, LP | San Francisco, CA 94111 | Oil & Gas Operator | Feb 2014 |
| 12711 | HD Well Services LLC | Wellsville, KS 66092 | Oil Operator | Jul 2024 |
| 12712 | HDH Resources, Inc. | Wilmore, KS 67155 | Oil & Gas Operator | Jun 2024 |
| 12713 | HDS Production | | Oil Operator | Mar 1998 |
| 12714 | HDT Inc. | | Oil & Gas Operator | Sep 2024 |
| 12715 | Headington Canada Corp. | Dallas, TX 75231 | Gas Operator | Jun 2000 |
| 12716 | Headington Energy Corporation | Dallas, TX 75231 | Oil & Gas Operator | Aug 1992 |
| 12717 | Headington Energy Partners, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Nov 2024 |
| 12718 | Headington Oil Company | Dallas, TX 75231 | Oil & Gas Operator | Dec 2016 |
| 12719 | Headington Oil Company LLC | Dallas, TX 75204 | Oil & Gas Operator | Apr 2016 |
| 12720 | Headington Oil Company, L.P. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2008 |
| 12721 | Headline Resources, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Aug 1997 |
| 12722 | Headwaters Energy Partners, LLC | Dripping SPGS, TX 78620 | Oil & Gas Operator | Nov 2024 |
| 12723 | Headwaters Oil Company | | Oil & Gas Operator | Oct 1981 |
| 12724 | Heape Exploration, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Dec 2020 |
| 12725 | Heape, Gene G. | Dallas, TX 75367 | Oil & Gas Operator | Jun 2003 |
| 12726 | Hearn Oil Co. LLC | Newport, OH 45768 | Oil & Gas Operator | Dec 2023 |
| 12727 | Heart Land Petroleum Corporation | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 12728 | Heartland Energy Company | Big Horn, WY 82833 | Gas Operator | Jun 2012 |
| 12729 | Heartland Enterprises, Incorporated | Phillipsburg, KS 67661 | Oil Operator | May 2005 |
| 12730 | Heartland Environmental Services | Watonga, OK 73080 | Oil & Gas Operator | May 1999 |
| 12731 | Heartland Exploration | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2000 |
| 12732 | Heartland Exploration Inc | Edmond, OK 73013 | Oil & Gas Operator | Dec 2015 |
| 12733 | Heartland Oil & Gas Company | | Oil & Gas Operator | Jun 2000 |
| 12734 | Heartland Oil & Gas Inc. | Gypsum, KS 67448 | Gas Operator | Jun 2011 |
| 12735 | Heartland Production, Inc. | Cuero, TX 77954 | Oil & Gas Operator | Nov 2024 |
| 12736 | Heartland Pumping | Hennessey, OK 73742-7311 | Oil & Gas Operator | Aug 2024 |
| 12737 | Heartland Resources, Inc. | Temple, TX 76501 | Oil & Gas Operator | Mar 2008 |
| 12738 | Heartlands Development Co Inc | Bristow, OK 74010-3826 | Oil & Gas Operator | May 2017 |
| 12739 | Heat Can Oil, LLC | Chanute, KS 66720 | Oil Operator | Jun 2009 |
| 12740 | Heat Controller Inc | Jackson, MI 49204 | Oil & Gas Operator | Dec 1996 |
| 12741 | Heat Waves Hot Oil Service LLC | Denver, CO 80202 | Oil Operator | Jun 2011 |
| 12742 | Heath B M | | Oil & Gas Operator | Feb 1994 |
| 12743 | Heath Jack A | Tulsa, OK 74132-2403 | Oil & Gas Operator | Jan 2013 |
| 12744 | Heath Oil Co., Inc. | Washington, OK 73093-4702 | Oil & Gas Operator | Aug 2024 |
| 12745 | Heath, Chad | Greensburg, KY 42743 | Oil Operator | Dec 2022 |
| 12746 | Heath, Francis A. & Ruth E. | South Dayton, NY 14138 | Gas Operator | Dec 2023 |
| 12747 | Heath, Mark | Leoti, KS 67861 | Oil Operator | Nov 2009 |
| 12748 | Heather & Randy Iantorno Oil | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2023 |
| 12749 | Heatherly, Darl H. | Belington, WV 26250 | Gas Operator | Dec 2021 |
| 12750 | Heaton Everill L | Exeter, CA 93221-2340 | Oil & Gas Operator | Sep 2014 |
| 12751 | Hebert & Rucks L.L.C. | | Oil & Gas Operator | May 2002 |
| 12752 | Hebron Energy, LLC | Dallas, TX 75206 | Oil Operator | Jul 2018 |
| 12753 | Hebron Pipeline | San Antonio, TX 78209 | Oil & Gas Operator | Nov 2024 |
| 12754 | Hec Petroleum, Inc | Midland, TX 79705 | Oil & Gas Operator | Mar 2006 |
| 12755 | Hedges Spencer | Casper, WY 82604 | Oil Operator | Mar 2024 |
| 12756 | Hedrick Production Inc. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Nov 2024 |
| 12757 | Hedrick, Thomasine | Severy, KS 67137 | Oil Operator | May 2011 |
| 12758 | Heflin, Bryan Exploration, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Mar 2008 |
| 12759 | Hegco Canada Inc | | Oil & Gas Operator | Nov 2003 |
| 12760 | Heger J J & Asso | | Oil Operator | Jun 1983 |
| 12761 | Hegwald, Jacob L. | Humboldt, KS 66748 | Oil Operator | Nov 2019 |
| 12762 | Hehns Quality Gardens Inc | Wadsworth, OH 44281 | Oil & Gas Operator | Dec 2023 |
| 12763 | Heifer Production Company LLC | Austin, TX 78746 | Oil & Gas Operator | Nov 2024 |
| 12764 | Heights Energy Corporation | Plano, TX 75026 | Oil & Gas Operator | Nov 2024 |
| 12765 | Heim, William J. | Springville, NY 14141 | Gas Operator | Dec 2023 |
| 12766 | Heineman, Ronald F. | Caledonia, NY 14423 | Gas Operator | Dec 2023 |
| 12767 | Heinrich Enterprises Inc Dba Washington Operations | Reno, OH 45773 | Oil & Gas Operator | Dec 2023 |
| 12768 | Heinrich Enterprises, Inc. | Reno, OH 45773-0305 | Oil & Gas Operator | Dec 2021 |
| 12769 | Heinrich Production Inc | Lubbuck, TX 79424 | Oil Operator | Sep 2022 |
| 12770 | Heintz Gas & Oil Company, Inc. | Allegany, NY 14706 | Gas Operator | Dec 2023 |
| 12771 | Heisey Ventures, Inc. | Houston, TX 77019 | Oil & Gas Operator | Nov 2024 |
| 12772 | Helberg Oil Comp | | Oil Operator | Mar 1995 |
| 12773 | Helbing & Podpechan | Clarence, OK 74018 | Oil & Gas Operator | May 1983 |
| 12774 | Held By Producti | | Oil & Gas Operator | Feb 1995 |
| 12775 | Held By Production, Inc. | Houston, TX 77251 | Oil & Gas Operator | May 1996 |
| 12776 | Helemrich & Payne Inc | Iraan, TX 79744 | Oil & Gas Operator | Sep 2002 |
| 12777 | Helena Production Corp | | Oil & Gas Operator | Dec 1991 |
| 12778 | Helena Resources Inc | Lakewood, CO 80215 | Oil & Gas Operator | Aug 2024 |
| 12779 | Helena Resources LLC | Helena, OK 73741-4120 | Oil & Gas Operator | Aug 2024 |
| 12780 | Helios Operating, LLC | Houston, TX 77056 | Oil & Gas Operator | Nov 2024 |
| 12781 | Helis Oil & Gas Company LLC Estate | New Orleans, LA 70130 | Oil & Gas Operator | Jul 2022 |
| 12782 | Helis Oil & Gas Company, L.L.C. | New Orleans, LA 70130 | Oil & Gas Operator | Oct 2023 |
| 12783 | Helis, William G. Co., LLC, The | New Orleans, LA 70130 | Oil & Gas Operator | Oct 2003 |
| 12784 | Helis,WM.G.,Est., A Partnership | New Orleans, LA 70130 | Oil & Gas Operator | Aug 2003 |
| 12785 | Hellar Drilling | | Oil & Gas Operator | Jan 1994 |
| 12786 | Hellar Drilling Company, Inc. | Wichita, KS 67208 | Oil & Gas Operator | Jan 2009 |
| 12787 | Hellard Elmer J | Sapulpa, OK 74066 | Oil & Gas Operator | Sep 2024 |
| 12788 | Heller, Phillip & Charlene | Columbia, MO 65201 | Oil & Gas Operator | Sep 2024 |
| 12789 | Hellifino Operating, LLC | San Antonio, TX 78212 | Oil Operator | Nov 2024 |
| 12790 | Hellman Properties LLC | | Oil & Gas Operator | Sep 2024 |
| 12791 | Hellums, Harold | Cedar Creek, TX 78612 | Oil & Gas Operator | Mar 2008 |
| 12792 | Helm Energy Company | Tulsa, OK 74133 | Oil Operator | Jul 2024 |
| 12793 | Helmcamp, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2002 |
| 12794 | Helmco LTD | Kiefer, OK 74041-0397 | Oil & Gas Operator | Jan 2007 |
| 12795 | Helmco Production Company | Pawhuska, OK 74056 | Oil Operator | Aug 2000 |
| 12796 | Helmer Bonnie Jean Revocable Trust | Pawhuska, OK 74056 | Oil Operator | Sep 2024 |
| 12797 | Helmer Oil Corporation | Pawhuska, OK 74056 | Oil & Gas Operator | Sep 2024 |
| 12798 | Helmerich & Payn | | Oil & Gas Operator | Aug 1995 |
| 12799 | Helmerich & Payne, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Sep 2024 |
| 12800 | Helmhold Oil Incorporated | Wellsville, NY 14895 | Oil Operator | Dec 2019 |