| 12601 | Helemrich & Payne Inc | Iraan, TX 79744 | Oil & Gas Operator | Sep 2002 |
| 12602 | Helena Production Corp | | Oil & Gas Operator | Dec 1991 |
| 12603 | Helena Resources Inc | Lakewood, CO 80215 | Oil & Gas Operator | Mar 2024 |
| 12604 | Helena Resources LLC | Helena, OK 73741-4120 | Oil & Gas Operator | Feb 2024 |
| 12605 | Helios Operating, LLC | Houston, TX 77056 | Oil & Gas Operator | May 2024 |
| 12606 | Helis Oil & Gas Company LLC Estate | New Orleans, LA 70130 | Oil & Gas Operator | Jul 2022 |
| 12607 | Helis Oil & Gas Company, L.L.C. | New Orleans, LA 70130 | Oil & Gas Operator | Oct 2023 |
| 12608 | Helis, William G. Co., LLC, The | New Orleans, LA 70130 | Oil & Gas Operator | Oct 2003 |
| 12609 | Helis,WM.G.,Est., A Partnership | New Orleans, LA 70130 | Oil & Gas Operator | Aug 2003 |
| 12610 | Hellar Drilling | | Oil & Gas Operator | Jan 1994 |
| 12611 | Hellar Drilling Company, Inc. | Wichita, KS 67208 | Oil & Gas Operator | Jan 2009 |
| 12612 | Hellard Elmer J | Sapulpa, OK 74066 | Oil & Gas Operator | Mar 2024 |
| 12613 | Heller, Phillip & Charlene | Columbia, MO 65201 | Oil & Gas Operator | Jan 2024 |
| 12614 | Hellifino Operating, LLC | San Antonio, TX 78212 | Oil Operator | May 2024 |
| 12615 | Hellman Properties LLC | | Oil & Gas Operator | Mar 2024 |
| 12616 | Hellums, Harold | Cedar Creek, TX 78612 | Oil & Gas Operator | Mar 2008 |
| 12617 | Helm Energy Company | Tulsa, OK 74133 | Oil Operator | Dec 2023 |
| 12618 | Helmcamp, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2002 |
| 12619 | Helmco LTD | Kiefer, OK 74041-0397 | Oil & Gas Operator | Jan 2007 |
| 12620 | Helmco Production Company | Pawhuska, OK 74056 | Oil Operator | Aug 2000 |
| 12621 | Helmer Bonnie Jean Revocable Trust | Pawhuska, OK 74056 | Oil Operator | Feb 2024 |
| 12622 | Helmer Oil Corporation | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2024 |
| 12623 | Helmerich & Payn | | Oil & Gas Operator | Aug 1995 |
| 12624 | Helmerich & Payne, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Feb 2024 |
| 12625 | Helmhold Oil Incorporated | Wellsville, NY 14895 | Oil Operator | Dec 2019 |
| 12626 | Helms Oil | Brinkhaven, OH 43006 | Oil Operator | Dec 2018 |
| 12627 | Helms Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | May 2024 |
| 12628 | Helo Energy, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2001 |
| 12629 | Helsel, Allan J | South Haven, KS 67140 | Oil Operator | Nov 2023 |
| 12630 | Helton Oil Company | Edmond, OK 73083-7283 | Oil & Gas Operator | Aug 2016 |
| 12631 | Helton Petroleum | Pampa, TX 79066 | Oil & Gas Operator | May 2024 |
| 12632 | Helton, Pat A. & Alberta | Allison, TX 79003 | Oil & Gas Operator | May 2024 |
| 12633 | Hembree Alva | Oklahoma City, OK 73151-9145 | Oil & Gas Operator | Jun 2016 |
| 12634 | Hembree Brit W | Shawnee, OK 74804-1725 | Oil & Gas Operator | Jan 2024 |
| 12635 | Hembree Oil Production, LLC | Great Bend, KS 67530 | Oil Operator | Jan 2024 |
| 12636 | Hembree Robert F | | Oil Operator | Dec 2009 |
| 12637 | Hemco Development, LLC | Dallas, TX 75201 | Oil & Gas Operator | Nov 2020 |
| 12638 | Hemco Production, L. L. C. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2016 |
| 12639 | Hemstead Oil Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2001 |
| 12640 | Hemus, Inc. | Bellaire, TX 77401 | Oil & Gas Operator | Sep 1994 |
| 12641 | Henderson & Erickson, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2024 |
| 12642 | Henderson Art | Pawhuska, OK 74056 | Oil & Gas Operator | May 2014 |
| 12643 | Henderson Don Inc | Oklahoma City, OK 73134-1753 | Oil & Gas Operator | Aug 2013 |
| 12644 | Henderson Exploration Company | Tulsa, OK 74120 | Oil & Gas Operator | May 2013 |
| 12645 | Henderson Fred J | Okmulgee, OK 74447-9204 | Oil & Gas Operator | Mar 2024 |
| 12646 | Henderson Natural Res, L.L.C. | Crozet, VA 22932 | Oil & Gas Operator | May 2024 |
| 12647 | Henderson Oil & Gas | | Oil Operator | Sep 1990 |
| 12648 | Henderson Operating Co Inc | | Oil & Gas Operator | Nov 2003 |
| 12649 | Henderson Pet Corp Of Delaware | | Oil & Gas Operator | Nov 2019 |
| 12650 | Henderson Petroleum Corp | San Angelo, TX 76906 | Oil & Gas Operator | Jul 2013 |
| 12651 | Henderson, Bryan, Co. | Dallas, TX 75225 | Oil & Gas Operator | May 2024 |
| 12652 | Henderson, Chris | Pawhuska, OK 74056 | Oil Operator | Dec 2009 |
| 12653 | Henderson, Peter Oil Co. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2020 |
| 12654 | Henderson, Sam F. | Odessa, TX 79760 | Oil & Gas Operator | Nov 2002 |
| 12655 | Henderson, Sam W. | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2019 |
| 12656 | Hendricks Oil Company, LLC | | Oil Operator | Jan 2018 |
| 12657 | Hendrickson Lester | Delaware, OK 74027-9715 | Oil Operator | Mar 2015 |
| 12658 | Hendrickson W R | Beggs, OK 74421-2936 | Oil & Gas Operator | Jun 2023 |
| 12659 | Hendrix, John H. Corporation | Midland, TX 79705 | Oil & Gas Operator | Sep 2018 |
| 12660 | Hendry Energy Services, LLC | | Oil Operator | Dec 2023 |
| 12661 | Henergy Oil & Gas LLC | | Oil Operator | Jan 2024 |
| 12662 | Henley Dean | Pawhuska, OK 74056 | Oil Operator | Feb 2024 |
| 12663 | Henley Operating | Nocona, TX 76255 | Oil & Gas Operator | May 2024 |
| 12664 | Hennessey Oil & Gas LLC | Hennessey, OK 73742-0212 | Oil & Gas Operator | Feb 2024 |
| 12665 | Hennessy Oil Com | | Oil Operator | Mar 1991 |
| 12666 | Hennig Production Co., Inc. | Tyler, TX 75701 | Oil & Gas Operator | May 2024 |
| 12667 | Henrich, Adam Gabriel | Eden, NY 14057 | Gas Operator | Dec 2022 |
| 12668 | Henrich, John W. | Eden, NY 14057 | Gas Operator | Dec 2022 |
| 12669 | Henry And Jane Fong | | Oil Operator | Dec 1989 |
| 12670 | Henry Billy Or Connie | Okemah, OK 74859-6075 | Oil & Gas Operator | Jul 2021 |
| 12671 | Henry Gungoll Operating Inc | Enid, OK 73702-6209 | Oil & Gas Operator | Mar 2024 |
| 12672 | Henry Oil & Gas Inc | Oklahoma City, OK 73127 | Oil & Gas Operator | Jul 2009 |
| 12673 | Henry Patrick K | Chicora, PA 16025-4502 | Oil & Gas Operator | Dec 2023 |
| 12674 | Henry Paul Petroleum, LLC | Amarillo, TX 79102 | Oil & Gas Operator | May 2024 |
| 12675 | Henry Petroleum Corp. | Midland, TX 79703 | Oil & Gas Operator | Mar 2001 |
| 12676 | Henry Petroleum Inc | Oklahoma City, OK 73162-1757 | Oil & Gas Operator | Sep 2019 |
| 12677 | Henry Petroleum LLC | Flower Mound, TX 75028 | Oil & Gas Operator | May 2024 |
| 12678 | Henry Petroleum LP | Midland, TX 79701 | Oil & Gas Operator | Dec 2008 |
| 12679 | Henry Petroleum Of Oklahoma LP | Midland, TX 79703-5000 | Oil & Gas Operator | Feb 2017 |
| 12680 | Henry Production Company, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Sep 2019 |
| 12681 | Henry Resources LLC | Midland, TX 79703 | Oil & Gas Operator | May 2024 |
| 12682 | Henry Sappington Machine & Tool Dba Henry Sappingt | | Oil Operator | Oct 2017 |
| 12683 | Henry W. Agle And Sons, Inc. | Eden, NY 14057 | Gas Operator | Dec 2022 |
| 12684 | Henry Wat Oil Company | Tulsa, OK 74101 | Oil Operator | Jan 2014 |
| 12685 | Henry, J.R. Inc | Brenham, TX 77833 | Oil & Gas Operator | May 2024 |
| 12686 | Henry, John Petroleum | Dallas, TX 75225 | Oil & Gas Operator | Dec 2001 |
| 12687 | Henscheid, Rufus | Muenster, TX 76252 | Oil Operator | Jan 2020 |
| 12688 | Hensley Oil Company LLC | Arkansas City, KS 67005 | Oil Operator | Dec 2023 |
| 12689 | Hensley, Cloide J. & Hazel M. | Arkansas City, KS 67005 | Oil Operator | Sep 2001 |
| 12690 | Henson Doyle | Okmulgee, OK 74447-4841 | Oil & Gas Operator | Jun 2020 |
| 12691 | Henson Exploration, L.P. | Abilene, TX 79608 | Oil & Gas Operator | May 2024 |
| 12692 | Henson Terry Dba Daycon Exploration | Tulsa, OK 74137-3546 | Oil & Gas Operator | Feb 2024 |
| 12693 | Hep Oil Company LTD | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2012 |
| 12694 | Hep Oil GP, LLC | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 12695 | Herald Oil & Gas Co | Middleport, OH 45760-9000-9000 | Oil & Gas Operator | Dec 2010 |
| 12696 | Herbaly Petroleum Corp | FT Worth, TX 76102 | Oil & Gas Operator | Feb 2002 |
| 12697 | Herber, Carl R. | Denton, TX 76205 | Oil & Gas Operator | Apr 2014 |
| 12698 | Herbert J. Schmitz | | Oil & Gas Operator | Dec 1987 |
| 12699 | Herbig Oil & Gas Co. | Midland, TX 79701 | Oil & Gas Operator | May 2024 |
| 12700 | Herbig, J F | Midland, TX 79701 | Oil & Gas Operator | Mar 1998 |