| 31001 | Trigg Exploratio | | Gas Operator | Feb 1992 |
| 31002 | Trigg Oil Mining Corporation | | Oil & Gas Operator | Dec 2007 |
| 31003 | Trigger'S Disposal LLC | Sayre, OK 73662-2913 | Oil Operator | Sep 2022 |
| 31004 | Trigo Oil And Gas, LLC | Amarillo, TX 79101 | Oil & Gas Operator | Mar 2022 |
| 31005 | Trigon Exploration, Inc. | | Oil & Gas Operator | Jan 1999 |
| 31006 | Triken Oil & Gas | | Oil & Gas Operator | Feb 1995 |
| 31007 | Triken Oil & Gas, Inc. | Bellingham, WA 98225 | Gas Operator | Dec 1996 |
| 31008 | Trilliant Energy Texas LTD | Tulsa, OK 74135-0767 | Oil & Gas Operator | Jun 2020 |
| 31009 | Trilogy Natural Resources LLC | Edmond, OK 73025 | Oil Operator | Nov 2025 |
| 31010 | Trilogy Operating, Inc. | Midland, TX 79708 | Oil & Gas Operator | Feb 2026 |
| 31011 | Trimble & Maclaskey Oil LLC | Gridley, KS 66852 | Oil Operator | Sep 2025 |
| 31012 | Trimble, Don G Dba Trimble Production Company | Houston, TX 77066 | Oil Operator | Jan 2025 |
| 31013 | Trimble, IVal L. | Gridley, KS 66852 | Oil Operator | Dec 2019 |
| 31014 | Trimont Energy LLC | Pittsburgh, PA 15211-1205 | Oil & Gas Operator | Dec 2016 |
| 31015 | Trineha Inc | Ardmore, OK 73402-2478 | Oil & Gas Operator | Jun 2009 |
| 31016 | Trinidad Energy, LLC | Midland, TX 79708 | Oil & Gas Operator | Feb 2026 |
| 31017 | Trinidad Exploration, Inc. | Tyler, TX 75703 | Oil & Gas Operator | Mar 2008 |
| 31018 | Trinidad Petroleum Corporation | | Oil & Gas Operator | Apr 1990 |
| 31019 | Trinidad Petroleum, Inc. | Austin, TX 78711 | Oil & Gas Operator | Feb 2026 |
| 31020 | Trinidad Resources, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Feb 2026 |
| 31021 | Trinity Bay Oil & Gas, Inc. | Lubbock, TX 79416 | Oil & Gas Operator | Feb 2026 |
| 31022 | Trinity Energy Corp | Gibsonia, PA 15044-9106 | Oil & Gas Operator | Dec 2007 |
| 31023 | Trinity Eor, LLC | Midland, TX 79701 | Oil & Gas Operator | Jan 2019 |
| 31024 | Trinity Exploration Co | | Oil Operator | Dec 1998 |
| 31025 | Trinity Gas Corporation | Edmond, OK 73003 | Oil & Gas Operator | Feb 2026 |
| 31026 | Trinity Gas Storage, LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Feb 2026 |
| 31027 | Trinity Group LLC | | Oil Operator | Dec 1997 |
| 31028 | Trinity Mineral Partners LLC | Pittsburgh, PA 15238-2718 | Oil & Gas Operator | Dec 2025 |
| 31029 | Trinity Minerals&Operating Corp. | Abilene, TX 79605 | Oil & Gas Operator | Dec 1995 |
| 31030 | Trinity Oil & Gas Dev Inc | | Oil & Gas Operator | Jun 1994 |
| 31031 | Trinity Oil & Gas Inc | Pauls Valley, OK 73075 | Oil Operator | Nov 2025 |
| 31032 | Trinity Oil & Gas Producers LLC | Allen, OK 74825 | Oil & Gas Operator | Dec 2025 |
| 31033 | Trinity Operating & Prod., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 31034 | Trinity Operating (Usg), LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 31035 | Trinity Resources, Inc. | Houston, TX 77277 | Oil & Gas Operator | May 2020 |
| 31036 | Trinity River Energy Oper, LLC | Houston, TX 77008 | Oil & Gas Operator | May 2018 |
| 31037 | Trinity River Energy, LLC | Houston, TX 77094 | Oil & Gas Operator | Aug 2015 |
| 31038 | Trinity River Operating Company | Oklahoma City, OK 73147 | Oil & Gas Operator | Feb 2026 |
| 31039 | Trinity University & Closuit | Loco Hills, NM 88255 | Oil & Gas Operator | Dec 2002 |
| 31040 | Trio Consulting & Management,LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 31041 | Trio Oil And Gas Company | Salem, WV 26426 | Oil & Gas Operator | Nov 2021 |
| 31042 | Trio Oil Co | Hobbs, NM 88240 | Oil & Gas Operator | Feb 2004 |
| 31043 | Trio Operating Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2006 |
| 31044 | Trio Petroleum Corp. | Glenville, WV 26351-0880 | Oil & Gas Operator | Jul 2016 |
| 31045 | Trio Petroleum LLC | | Oil & Gas Operator | Nov 2025 |
| 31046 | Trio Production Company, LLC | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 31047 | Triple "B" Production DRLG Inc | Poynor, TX 75782 | Oil & Gas Operator | Sep 2022 |
| 31048 | Triple "G" Oil Company | Clyde, TX 79510 | Oil & Gas Operator | Apr 1999 |
| 31049 | Triple "N" Services, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 31050 | Triple "S" Gas, Inc. | Louisville, KY 40255 | Oil & Gas Operator | Jan 2026 |
| 31051 | Triple "S" Resources Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Jun 1995 |
| 31052 | Triple "S" Well Service, Inc. | Eureka, KS 67045 | Oil Operator | Sep 2025 |
| 31053 | Triple "W" Oil Company | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 31054 | Triple 'A' Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2026 |
| 31055 | Triple 'H' Oil O | | Oil Operator | Apr 1992 |
| 31056 | Triple - I, Inc. | Kansas City, MO 64114 | Gas Operator | Oct 2000 |
| 31057 | Triple 7 Energy Company Inc | Prague, OK 74864 | Oil Operator | Feb 1997 |
| 31058 | Triple B Crude, LLC | Colony, KS 66015 | Oil Operator | Sep 2025 |
| 31059 | Triple B Energy Inc | Gillette, WY 82716 | Oil Operator | Dec 1999 |
| 31060 | Triple B Energy LLC | Dorset, OH 44032 | Oil & Gas Operator | Dec 2024 |
| 31061 | Triple B Resources | Barnsdall, OK 74002-9759 | Oil & Gas Operator | May 2014 |
| 31062 | Triple C Oil & Gas Co | Graysville, OH 45734 | Oil & Gas Operator | Dec 2024 |
| 31063 | Triple C Oil Inc. | Lockhart, TX 78644 | Oil Operator | Aug 2019 |
| 31064 | Triple C Petroleum LLC | Colony, KS 66015 | Oil Operator | Nov 2019 |
| 31065 | Triple C Properties Inc | Seminole, OK 74818 | Oil & Gas Operator | Nov 2025 |
| 31066 | Triple Crown Operating LLC | Tulsa, OK 74114 | Oil Operator | Sep 2025 |
| 31067 | Triple Crown Resources, LLC | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 31068 | Triple D Oil & Gas Co., Inc. | Brownwood, TX 76801 | Oil & Gas Operator | Feb 2026 |
| 31069 | Triple Diamond Energy Operating LLC | Dallas, TX 75254-8352 | Oil & Gas Operator | Jun 2014 |
| 31070 | Triple E Drillin | | Oil Operator | Jun 1992 |
| 31071 | Triple E Oil | Sterling, KS 67579 | Oil & Gas Operator | Mar 1999 |
| 31072 | Triple G Oil & Gas | Sonora, TX 76950 | Oil & Gas Operator | Oct 2022 |
| 31073 | Triple G Oilfiel | | Oil & Gas Operator | Dec 1985 |
| 31074 | Triple G Well Service, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Feb 2026 |
| 31075 | Triple Gas Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1984 |
| 31076 | Triple H Operating | Tryon, OK 74875-6235 | Oil Operator | Apr 2022 |
| 31077 | Triple H Production | Stockdale, TX 78160 | Oil Operator | Feb 2026 |
| 31078 | Triple J Investments Inc | Longview, TX 75606 | Oil & Gas Operator | Feb 2023 |
| 31079 | Triple J L.L.C. | Coffeyville, KS 67336 | Oil Operator | Mar 1999 |
| 31080 | Triple J Oil Co. | Pampa, TX 79065 | Oil & Gas Operator | Aug 1996 |
| 31081 | Triple J Prod In | | Oil Operator | Sep 1989 |
| 31082 | Triple K | | Oil Operator | Jun 2007 |
| 31083 | Triple K Oil LLC | | Oil & Gas Operator | Dec 2024 |
| 31084 | Triple L Management Co Inc | Edmond, OK 73025-2908 | Oil & Gas Operator | Apr 2018 |
| 31085 | Triple L Oil Company | Corpus Chrsti, TX 78469 | Oil & Gas Operator | Jan 1998 |
| 31086 | Triple L Operating Company LLC | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 31087 | Triple M Excavating And Hauling LLC | Ford City, PA 16226-6409 | Gas Operator | Dec 2025 |
| 31088 | Triple M Saltwater Disposal, LP | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 31089 | Triple Oak Farms, LLC | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 31090 | Triple S Construction | Blue Mound, KS 66010 | Gas Operator | Sep 2025 |
| 31091 | Triple S Drilling Company | Leonard, OK 74043 | Oil & Gas Operator | Feb 2012 |
| 31092 | Triple S Oil Company | | Oil & Gas Operator | Feb 1979 |
| 31093 | Triple S Well Se | | Oil Operator | Dec 1996 |
| 31094 | Triple Seven, Inc. | Oklahoma City, OK 73132 | Oil & Gas Operator | Nov 1997 |
| 31095 | Triple Singleton, Inc. | Santa Fe, TX 77510 | Oil & Gas Operator | Dec 2020 |
| 31096 | Triple T Oil, LLC | Louisburg, KS 66053 | Oil Operator | Aug 2025 |
| 31097 | Triple T Pipelines, Inc. | Frontenac, KS 66763 | Oil & Gas Operator | Sep 2023 |
| 31098 | Triple T Resources, LP | Dallas, TX 75205 | Oil & Gas Operator | Sep 2025 |
| 31099 | Triple W Oil Inc | Chandler, OK 74834-0546 | Oil & Gas Operator | May 2013 |
| 31100 | Triple-T Pipelin | | Oil & Gas Operator | Oct 1995 |