| 7801 | Devine, C. R., Inc. | Houston, TX 77292 | Oil & Gas Operator | Feb 2018 |
| 7802 | Devon Corporation | | Oil Operator | Oct 1981 |
| 7803 | Devon Energy Corp (Nevada) | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2017 |
| 7804 | Devon Energy Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2009 |
| 7805 | Devon Energy Operating Co., L.P. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2009 |
| 7806 | Devon Energy Operating Corp | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2013 |
| 7807 | Devon Energy Production Co | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2015 |
| 7808 | Devon Energy Production Company, L.P. | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2026 |
| 7809 | Devon Energy Williston, L.L.C | Oklahoma City, OK 73102-8260 | Oil & Gas Operator | Feb 2026 |
| 7810 | Devon Gas Services, L.P. | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 2015 |
| 7811 | Devon Louisiana Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2019 |
| 7812 | Devon Resources Corporation | Jenks, OK 74037-3525 | Oil & Gas Operator | Jan 2026 |
| 7813 | Devon SFS Operating Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
| 7814 | Devonian Energy Inc | | Gas Operator | Jun 2025 |
| 7815 | Devonian Energy Inc And Muzyl Oil Corp | | Oil & Gas Operator | Aug 1999 |
| 7816 | Devonian Gas Production, Inc. | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 7817 | Devonian Oil Com | | Oil Operator | Dec 1996 |
| 7818 | Devonian Oil Company | Lawrence, KS 66044 | Oil Operator | May 2001 |
| 7819 | Devonian Resources Inc | Pikeville, KY 41502 | Oil & Gas Operator | Dec 2024 |
| 7820 | Devore Anthony D | Gambier, OH 43022 | Oil & Gas Operator | Dec 2010 |
| 7821 | Devx Operating Company | Frisco, TX 75034 | Oil & Gas Operator | Feb 2004 |
| 7822 | Dew Oil And Gas Co.,Inc. | | Oil & Gas Operator | Dec 1989 |
| 7823 | Dewayne'S Tank Service, Inc. | Saint John, KS 67576 | Oil Operator | Nov 2000 |
| 7824 | Dewbre Petroleum Corporation | Corpus Christ, TX 78404 | Oil & Gas Operator | May 2026 |
| 7825 | Dewbre, Jerry C., Trustee | Corpus Christ, TX 78404 | Oil & Gas Operator | May 2026 |
| 7826 | Dewco Exploration | Coleman, TX 76834 | Oil & Gas Operator | Nov 2007 |
| 7827 | Dewco Oil | | Oil Operator | Jun 1996 |
| 7828 | Dewey E. Williams | | Oil Operator | Nov 1978 |
| 7829 | Dewey Energy GP LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2022 |
| 7830 | Dewey Enterprises Inc | | Oil & Gas Operator | Feb 2026 |
| 7831 | Dewey White Etal | | Oil & Gas Operator | Dec 1987 |
| 7832 | Dewey Williams | | Oil Operator | Mar 1992 |
| 7833 | Dews Production LLC | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 7834 | Dexco, Inc. | | Oil & Gas Operator | May 1990 |
| 7835 | Dexxon Inc | Kiefer, OK 74041 | Oil & Gas Operator | Feb 2026 |
| 7836 | DFG Energy Company LLC | Eastland, TX 76448 | Oil & Gas Operator | May 2026 |
| 7837 | DFP Oil Company | Tulsa, OK 74114-1345 | Oil & Gas Operator | Dec 2004 |
| 7838 | DG&E/Slocum, Limited Partnership | Dallas, TX 75206 | Oil & Gas Operator | May 2026 |
| 7839 | DGH Oil, LLC | Logan, KS 67646 | Oil Operator | Dec 2025 |
| 7840 | DGH Petroleum, Inc. | | Oil & Gas Operator | Aug 2011 |
| 7841 | DGP Energy, LLC | Wilmington, DE 19801 | Oil & Gas Operator | Feb 2026 |
| 7842 | DH Operating, Inc. | Gordon, TX 76453 | Oil & Gas Operator | May 2026 |
| 7843 | DH Production | Albany, TX 76430 | Oil Operator | Dec 2005 |
| 7844 | DHC, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 1997 |
| 7845 | DHP Investments, LTD. | Tyler, TX 75703 | Oil Operator | Dec 2025 |
| 7846 | DHW Energy LLC | | Oil Operator | Dec 2024 |
| 7847 | Di Energy Inc. | Houston, TX 77067 | Oil & Gas Operator | Jan 2004 |
| 7848 | Diablo Oil Corp. | | Oil & Gas Operator | Apr 1989 |
| 7849 | Diamar Oil Company, Inc. | | Oil Operator | Nov 1983 |
| 7850 | Diamex Company | | Oil & Gas Operator | Oct 1982 |
| 7851 | Diamond "S" Oil, Inc. | Houston, TX 77065 | Oil & Gas Operator | Apr 1994 |
| 7852 | Diamond A Inc. | Tulsa, OK 74137 | Oil & Gas Operator | Jun 2001 |
| 7853 | Diamond B Company Inc | Tulsa, OK 74170 | Oil & Gas Operator | Dec 2010 |
| 7854 | Diamond B Indust | | Oil Operator | Nov 1996 |
| 7855 | Diamond B Industries Inc | Belle Fourche, SD 57717 | Oil & Gas Operator | Apr 2010 |
| 7856 | Diamond B Miami Flood, LTD. | Paola, KS 66071 | Oil Operator | Dec 2025 |
| 7857 | Diamond Chemical | | Oil & Gas Operator | Jan 1995 |
| 7858 | Diamond Cross Oil Co LLC | Ponca City, OK 74601-1104 | Oil & Gas Operator | Feb 2026 |
| 7859 | Diamond D Operating | | Oil & Gas Operator | Apr 1995 |
| 7860 | Diamond Dixie Ex | | Oil Operator | Jul 1985 |
| 7861 | Diamond Drilling Co. | | Oil Operator | Apr 1983 |
| 7862 | Diamond E Oil Company LLC | | Oil Operator | Apr 2025 |
| 7863 | Diamond Endeavors Inc | | Oil Operator | Dec 2020 |
| 7864 | Diamond Energy Operating Company | Tulsa, OK 74137 | Oil & Gas Operator | Mar 2005 |
| 7865 | Diamond Energy Partners LLC | Collinsville, OK 74021 | Oil & Gas Operator | Jan 2026 |
| 7866 | Diamond Energy Services LLC | Tulsa, OK 74103-3862 | Oil & Gas Operator | Jan 2016 |
| 7867 | Diamond Energy Services, LP | Tulsa, OK 74103 | Oil Operator | May 2026 |
| 7868 | Diamond Energy, Inc. | Sherman, TX 75091 | Oil & Gas Operator | May 2026 |
| 7869 | Diamond G Production | FT Stockton, TX 79735 | Oil & Gas Operator | May 2026 |
| 7870 | Diamond Halo Group LLC | Grandview, TX 76050 | Oil Operator | Dec 2025 |
| 7871 | Diamond Harry H Inc | Shawnee, OK 74801 | Oil & Gas Operator | Jan 2026 |
| 7872 | Diamond M DRLG & Expl Co. | San Antonio, TX 78217 | Oil & Gas Operator | May 2026 |
| 7873 | Diamond M Oil Co., Inc. | Monahans, TX 79756 | Oil & Gas Operator | May 2026 |
| 7874 | Diamond M Operating LLC | Kinta, OK 74552 | Gas Operator | Jan 2026 |
| 7875 | Diamond Mineral Investments Inc. | Bangs, TX 76823 | Gas Operator | Feb 2008 |
| 7876 | Diamond Oil & Gas LLC | Casper, WY 82604 | Oil & Gas Operator | Feb 2026 |
| 7877 | Diamond Oil And Gas, Inc. | Kalamazoo, MI 49001 | Oil & Gas Operator | May 2026 |
| 7878 | Diamond Oil Co | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1992 |
| 7879 | Diamond Onshore Production, L. L. C. | | Oil & Gas Operator | Sep 2005 |
| 7880 | Diamond Operating Inc | | Oil & Gas Operator | Aug 2021 |
| 7881 | Diamond Operating, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2010 |
| 7882 | Diamond Petroleum LLC | | Oil & Gas Operator | Dec 2005 |
| 7883 | Diamond Production Company LLC | Irving, TX 75016-7853 | Oil & Gas Operator | Feb 2026 |
| 7884 | Diamond S Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | May 2026 |
| 7885 | Diamond S Masada LLC | Magnolia, TX 77354 | Oil & Gas Operator | May 2026 |
| 7886 | Diamond S Operating Co. | | Oil & Gas Operator | Oct 1992 |
| 7887 | Diamond Shamrock Chem Co | Irving, TX 75061 | Oil & Gas Operator | Dec 1990 |
| 7888 | Diamond Shamrock Corp | Amarillo, TX 79105 | Oil & Gas Operator | Jan 1987 |
| 7889 | Diamond Shamrock Expl | Dallas, TX 75201 | Oil & Gas Operator | May 1987 |
| 7890 | Diamond Shamrock Expl. Co. | | Oil & Gas Operator | Jun 1987 |
| 7891 | Diamond Star Oil, Inc. | Lacygne, KS 66040 | Oil Operator | Dec 2019 |
| 7892 | Diamondback E&P LLC | Midland, TX 79701 | Oil & Gas Operator | May 2026 |
| 7893 | Diamondback Oil Partners LLP | Arvada, CO 80004 | Oil & Gas Operator | Sep 2016 |
| 7894 | Diamondback Operating, LP | Tulsa, OK 74132 | Gas Operator | May 2026 |
| 7895 | Diamondback Resources LLC | Midland, TX 79705 | Oil & Gas Operator | May 2018 |
| 7896 | Diamondback-Disposal LLC | Oklahoma City, OK 73134-1016 | Oil Operator | Dec 2008 |
| 7897 | Diamondhead Oil Co., LLC | | Oil & Gas Operator | Jan 2026 |
| 7898 | Diana Pease & Steve Pease Revocable Trust | Wellsville, NY 14895 | Gas Operator | Dec 2024 |
| 7899 | Diane Oil Company | Oklahoma City, OK 73146 | Oil & Gas Operator | Dec 2025 |
| 7900 | Diasu Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |