| 4801 | Carl, William E. | Corpus Christi, TX 78471 | Oil Operator | Jul 1986 |
| 4802 | Carla Energy Corporation | Oklahoma City, OK 73154-1487 | Oil & Gas Operator | Nov 2014 |
| 4803 | Carless Resources Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1997 |
| 4804 | Carlin Oil & Gas | | Oil Operator | Jan 1994 |
| 4805 | Carlin Oil And Gas Company | Tulsa, OK 74101-1019 | Oil & Gas Operator | May 1992 |
| 4806 | Carlon Oil & Gas Co Inc | Derby, KS 67037 | Gas Operator | Dec 2025 |
| 4807 | Carloran Production Corp | Windthorst, TX 76389 | Oil & Gas Operator | Sep 2026 |
| 4808 | Carlow Corp. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 4809 | Carlson Oil Inc. | | Oil & Gas Operator | Oct 2008 |
| 4810 | Carlson Petroleum Company | Houston, TX 77010 | Oil & Gas Operator | Mar 2015 |
| 4811 | Carlton Oil Corp | Newport, OH 45768 | Oil & Gas Operator | Dec 2013 |
| 4812 | Carlton, Richard L | | Oil & Gas Operator | Aug 1999 |
| 4813 | Carlton, Wayne Inc. | Bronte, TX 76933 | Oil & Gas Operator | Dec 2002 |
| 4814 | Carmac Energy Company LLC | Shawnee, OK 74804 | Oil Operator | Jun 2026 |
| 4815 | Carmac Energy Corporation | Dallas, TX 75219-2311 | Oil & Gas Operator | Jun 2026 |
| 4816 | Carman C Wilford | | Oil & Gas Operator | Jan 2007 |
| 4817 | Carman Frances J | Pawhuska, OK 74056-0101 | Oil & Gas Operator | Aug 2013 |
| 4818 | Carman Robert W | Bristow, OK 74010-3454 | Oil & Gas Operator | Jun 2026 |
| 4819 | Carmel Energy, Inc. | | Oil Operator | Dec 2009 |
| 4820 | Carmen Field LP | Tulsa, OK 74135 | Oil & Gas Operator | Mar 2008 |
| 4821 | Carmen Schmitt, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | May 2026 |
| 4822 | Carmet Oil, Inc. | | Oil & Gas Operator | Dec 1990 |
| 4823 | Carmichael Oil & Gas Company | Vallejo, CA 94591-5653 | Oil & Gas Operator | Apr 2014 |
| 4824 | Carnegie Natural Gas Co | Pittsburgh, PA 15236-1435 | Gas Operator | Dec 1991 |
| 4825 | Carnegie Production Co | Charleston, WV 25328 | Oil & Gas Operator | Dec 2017 |
| 4826 | Carneros Energy Inc. | | Oil & Gas Operator | Dec 2004 |
| 4827 | Carnes Crude Oil Reclaiming Industry | | Oil Operator | Dec 2019 |
| 4828 | Carnes Oil LLC | Russell Springs, KY 42642 | Oil Operator | Dec 2020 |
| 4829 | Carnes Petroleum Corporation | Cleveland, OK 74020 | Oil & Gas Operator | May 2020 |
| 4830 | Carney Mark C & Karen M | Dallas, TX 75206-4010 | Oil & Gas Operator | Oct 1994 |
| 4831 | Caroden Energy LLC | Wake Forest, NC 27587 | Oil Operator | Apr 2026 |
| 4832 | Caroil, LLC | Odessa, TX 79761 | Oil Operator | Sep 2026 |
| 4833 | Carol Rhodabarger Heitz | | Oil & Gas Operator | Dec 1996 |
| 4834 | Carol S Pultorak & Ra A Pultorak | Waynesburg, PA 15370-2434 | Gas Operator | Dec 2018 |
| 4835 | Carol-Holly Oil Corporation | Denver, CO 80237 | Oil & Gas Operator | Jul 2026 |
| 4836 | Caroline Hunt Schoellkopf | | Oil & Gas Operator | Aug 1987 |
| 4837 | Caroline Hunt Trust Estate | | Oil & Gas Operator | Mar 1987 |
| 4838 | Carolynn Clark Wiggin Oil Properties | Farmington, NM 874990420 | Oil & Gas Operator | Sep 2011 |
| 4839 | Carotex Energy, Inc. | Wilson, NC 27893 | Oil & Gas Operator | Aug 2003 |
| 4840 | Carpco Efficient Energy Co., LLC | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 4841 | Carpenter Corporation | Sourlake, TX 77659 | Oil & Gas Operator | Oct 1994 |
| 4842 | Carpenter Luther | Skiatook, OK 74070-9124 | Oil & Gas Operator | May 2026 |
| 4843 | Carpenter R L | Sapulpa, OK 74067-0452 | Oil Operator | Mar 2007 |
| 4844 | Carpenter Services | Colorado City, TX 79512 | Oil & Gas Operator | May 1996 |
| 4845 | Carper Ruth A& Henthorn Jr W D | Pataskala, OH 43062 | Oil & Gas Operator | Dec 2025 |
| 4846 | Carper Well Service Inc. | Reno, OH 45773 | Oil & Gas Operator | Dec 2025 |
| 4847 | Carr Exploration | | Oil & Gas Operator | Sep 1993 |
| 4848 | Carr Exploration Corp. | Dallas, TX 75225 | Oil & Gas Operator | Aug 2003 |
| 4849 | Carr Petroleum, Inc. | | Oil Operator | Apr 1987 |
| 4850 | Carr Resources, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Sep 2026 |
| 4851 | Carr Well Service Inc | Midland, TX 79702 | Oil & Gas Operator | Nov 1996 |
| 4852 | Carraway Co. | | Oil Operator | Apr 2006 |
| 4853 | Carrell Oil Company Dba Coco | Laurel, MT 59044 | Oil Operator | Jul 2020 |
| 4854 | Carrera Energy LLC | Midland, TX 79704-5036 | Oil & Gas Operator | May 2026 |
| 4855 | Carrie Exploration & Development, LLC | Hays, KS 67601 | Oil & Gas Operator | Dec 2019 |
| 4856 | Carriero, Pamela A. | Angola, NY 14006 | Gas Operator | Dec 2025 |
| 4857 | Carrizo (Eagle Ford) LLC | Houston, TX 77042 | Oil & Gas Operator | Jan 2020 |
| 4858 | Carrizo (Marcellus) LLC | Houston, TX 77002-5018 | Gas Operator | Jun 2019 |
| 4859 | Carrizo (Permian) LLC | Houston, TX 77042 | Oil & Gas Operator | Jan 2020 |
| 4860 | Carrizo (Utica) LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2017 |
| 4861 | Carrizo Exploration, Inc. | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Aug 2016 |
| 4862 | Carrizo Niobrara LLC | | Oil & Gas Operator | Jun 2017 |
| 4863 | Carrizo Oil & Gas, Inc. | Houston, TX 77002 | Oil & Gas Operator | Sep 2026 |
| 4864 | Carrland Oil & Gas Inc. | Prosper, TX 75078 | Oil & Gas Operator | Sep 2026 |
| 4865 | Carroll Energy, LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2023 |
| 4866 | Carroll M R Dba Carroll Production Company | Tulsa, OK 74112 | Oil & Gas Operator | Jul 2026 |
| 4867 | Carroll Oil Prod | | Oil Operator | Jan 1986 |
| 4868 | Carroll Operating, LLC | Abilene, TX 79608 | Oil & Gas Operator | Feb 2022 |
| 4869 | Carroll Resources | Loudonville, OH 44842 | Oil & Gas Operator | Dec 1998 |
| 4870 | Carroll T L Ente | | Gas Operator | Aug 1989 |
| 4871 | Carroll, Alvis J. | Wichita Falls, TX 76302 | Oil & Gas Operator | Mar 2008 |
| 4872 | Carroll, Jon M. | Great Bend, KS 67530 | Oil Operator | Dec 2001 |
| 4873 | Carrollton Resources Corp. | | Oil & Gas Operator | Sep 2000 |
| 4874 | Carruth David C Family Trust | Russellville, AR 72811-2061 | Oil Operator | Aug 2002 |
| 4875 | Carruth Oil & Gas, LLC | Andrews, TX 79714 | Oil & Gas Operator | Sep 2026 |
| 4876 | Carruth, Chris | Andrews, TX 79714 | Oil & Gas Operator | Nov 2017 |
| 4877 | Carson Assoc, Inc | Ashland, KY 41102 | Oil & Gas Operator | Dec 2013 |
| 4878 | Carson Buckles Exploration LLC | Amarillo, TX 79159 | Oil & Gas Operator | Sep 2026 |
| 4879 | Carson Dominguez Real Est Corp | | Oil & Gas Operator | Dec 1996 |
| 4880 | Carstan Petroleu | | Oil Operator | May 1983 |
| 4881 | Cart Hill Energy, LLC | Hobbs, NM 88240 | Oil & Gas Operator | Apr 2026 |
| 4882 | Carter & Rorex | | Oil Operator | Dec 1991 |
| 4883 | Carter Cattle & Crude Company | Luling, TX 78648 | Oil & Gas Operator | Sep 2026 |
| 4884 | Carter County Salt Water Disposal Inc | Wilson, OK 73463 | Oil Operator | Jul 2026 |
| 4885 | Carter Donald L | Sand Springs, OK 74063-8105 | Oil Operator | May 2006 |
| 4886 | Carter E&P, LLC | Johnson City, TX 78636 | Oil & Gas Operator | Dec 2016 |
| 4887 | Carter Energy Corporation | Duncanville, TX 75138 | Oil & Gas Operator | Sep 2010 |
| 4888 | Carter Exploration Company | Corpus Christ, TX 78413 | Oil & Gas Operator | Feb 2015 |
| 4889 | Carter Oil And Gas Inc | Richmond, VA 23219 | Oil & Gas Operator | Dec 2011 |
| 4890 | Carter Oil Co | | Oil & Gas Operator | Dec 2013 |
| 4891 | Carter Preston Drilling Co | Davis, OK 73030 | Gas Operator | Nov 2000 |
| 4892 | Carter Resources | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2005 |
| 4893 | Carter, Calvin Gene | Sedan, KS 67361 | Oil Operator | Nov 2018 |
| 4894 | Carter, Eugene J. | Longton, KS 67352 | Oil Operator | Jan 1998 |
| 4895 | Carter, Gertrude (Trudy) | Rockwall, TX 75032 | Oil & Gas Operator | Apr 2013 |
| 4896 | Carter, Mattye Family Trust | Fort Worth, TX 76109 | Oil & Gas Operator | Oct 2002 |
| 4897 | Carter, Mattye L., Estate Of | Gladewater, TX 75647 | Oil & Gas Operator | Feb 1995 |
| 4898 | Carter, Shirley Oil Co | Round Rock, TX 78665 | Oil & Gas Operator | Jun 2018 |
| 4899 | Carter-Langham, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Sep 2026 |
| 4900 | Carter-Waters Corp. | | Oil Operator | Dec 1988 |