| 30101 | Titus Oil & Gas Production, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2022 |
| 30102 | Titusville Oil & Gas Assoc Inc | Pleasantville, PA 16341-1705 | Oil Operator | Dec 2024 |
| 30103 | Tiza Energy, Inc. | Austin, TX 78715 | Oil & Gas Operator | Apr 2025 |
| 30104 | Tiza Operating Company | Austin, TX 78716 | Oil & Gas Operator | Jan 2000 |
| 30105 | TJ Ballantyne Living Trust | | Oil & Gas Operator | Dec 2019 |
| 30106 | TJ Oil Company | Borger, TX 79008 | Oil & Gas Operator | Apr 2025 |
| 30107 | TJ Scott Family Investments LLC | | Oil & Gas Operator | Dec 2024 |
| 30108 | TK Drilling Corp. | Tulsa, OK 74133 | Oil & Gas Operator | Jan 2025 |
| 30109 | TK Electric & Oilfield Service, LLC | Plainville, KS 67663 | Oil Operator | Dec 2024 |
| 30110 | TK Operating | Cross Plains, TX 76443 | Oil & Gas Operator | Apr 2025 |
| 30111 | TKL Oil Properties Inc | Konawa, OK 74849 | Oil & Gas Operator | Dec 2024 |
| 30112 | Tko Investments, Inc. | Dodge City, KS 67801 | Oil & Gas Operator | Dec 2024 |
| 30113 | TKP Petroleum, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Apr 2025 |
| 30114 | TLC Oil And Gas | Duncan, OK 73533-9477 | Oil & Gas Operator | Oct 2015 |
| 30115 | TLC Oil LLC | Holmesville, OH 44633 | Oil & Gas Operator | Dec 2023 |
| 30116 | TLH Production LLC | Abilene, TX 79602 | Oil & Gas Operator | Apr 2025 |
| 30117 | TLM Resources Inc | Enid, OK 73706-0641 | Gas Operator | Mar 2015 |
| 30118 | TLS Oil & Gas Inc | Kingfisher, OK 73750-0901 | Oil & Gas Operator | Jan 2025 |
| 30119 | TLS Operating Company | Greenwood VIlge, CO 80111 | Oil & Gas Operator | Dec 2013 |
| 30120 | Tluczek Operating Corporation LLC | | Oil Operator | Oct 2024 |
| 30121 | TM Enterprises, Inc. | Wichita, KS 67278 | Oil Operator | Oct 2024 |
| 30122 | Tma Production, LLC | | Oil Operator | Dec 2024 |
| 30123 | TMBR/Sharp Drilling, Inc. | Midland, TX 79703 | Oil & Gas Operator | Feb 2004 |
| 30124 | TMM Investments LTD. | Tyler, TX 75703 | Oil Operator | Dec 2024 |
| 30125 | TMR Exploration, Inc. | Bossier City, LA 71171 | Oil & Gas Operator | Apr 2025 |
| 30126 | TMR Operating Co Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 1990 |
| 30127 | TN-K Energy Group, Inc | | Oil Operator | Dec 2023 |
| 30128 | TNC Energy, LLC | Lubbock, TX 79401 | Oil & Gas Operator | Nov 2016 |
| 30129 | TNCH, LLC | Colorado City, TX 79512 | Oil Operator | Apr 2025 |
| 30130 | TNG, Inc. | | Oil & Gas Operator | Dec 1996 |
| 30131 | TNR Petroleum, Inc. | Austin, TX 78747 | Oil & Gas Operator | Sep 1999 |
| 30132 | TNT Energy Inc. | Brownwood, TX 76801 | Oil & Gas Operator | May 2013 |
| 30133 | TNT Energy LLC | Paola, KS 66071 | Oil Operator | Dec 2009 |
| 30134 | TNT Enterprizes | Coweta, OK 74429 | Oil & Gas Operator | Nov 2005 |
| 30135 | TNT Oil Co. | Hamlin, TX 79520 | Oil & Gas Operator | Apr 2025 |
| 30136 | TNT Oil, LLC | Conrad, MT 59425 | Oil Operator | Nov 2017 |
| 30137 | TNT Operating Company Inc | Blanchard, OK 73010 | Oil & Gas Operator | Sep 2024 |
| 30138 | TNT Operating LLC | | Oil & Gas Operator | Aug 2016 |
| 30139 | TNT Petroleum Company, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Feb 1996 |
| 30140 | TNT Well Servicing, Inc. | Pratt, KS 67124 | Oil Operator | Jun 2006 |
| 30141 | Toc Energy Resources, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2025 |
| 30142 | Toc Oil Inc | Denver, CO 80202 | Oil & Gas Operator | Feb 2025 |
| 30143 | Toc, Inc. (TN) | | Oil Operator | Apr 1995 |
| 30144 | Toc-Rocky Mountain Inc | | Oil & Gas Operator | Oct 2013 |
| 30145 | Toce Energy, L.L.C. | | Oil & Gas Operator | Dec 2017 |
| 30146 | Toce Oil Company | | Oil & Gas Operator | Dec 2014 |
| 30147 | Toco Corporation | | Oil & Gas Operator | Oct 1991 |
| 30148 | Toco Oil & Gas Co | Grapevine, TX 76051 | Oil & Gas Operator | Feb 1993 |
| 30149 | Todd Bertolet | | Gas Operator | Apr 1999 |
| 30150 | Todd C H Incorpo | | Oil & Gas Operator | Feb 1994 |
| 30151 | Todd John C | Oklahoma City, OK 73112-8049 | Oil & Gas Operator | May 2015 |
| 30152 | Todd Oil Corp. Of La. Inc. | | Oil & Gas Operator | Jul 2000 |
| 30153 | Todd Oil Production Co | | Oil Operator | Aug 2001 |
| 30154 | Todd, J R Oil & Investments, Inc | Dallas, TX 75206 | Oil & Gas Operator | Jun 2002 |
| 30155 | Todd, Marc E | Wichita, KS 67203 | Oil Operator | Dec 2024 |
| 30156 | Toi Operating | Sidney, MT 59270 | Oil Operator | Sep 2019 |
| 30157 | Toil Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Dec 2024 |
| 30158 | Token Operating, LLC | Enid, OK 73703-1094 | Oil Operator | Feb 2025 |
| 30159 | Toklan Oil And Gas Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2025 |
| 30160 | Toklan Oil Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
| 30161 | Tola Production Company | Dallas, TX 75367 | Oil & Gas Operator | Apr 2025 |
| 30162 | Toland & Johnston Inc | Edmond, OK 73034 | Oil & Gas Operator | Feb 2025 |
| 30163 | Tolar Corporation | | Oil & Gas Operator | Sep 1999 |
| 30164 | Tolar Energy, L.L.C. | | Oil & Gas Operator | Dec 2001 |
| 30165 | Tolas Oil And Gas Exploration Co | | Oil Operator | Sep 2019 |
| 30166 | Tolbert & Associates | | Oil Operator | Dec 2024 |
| 30167 | Tolbert Et Al | | Oil Operator | Jun 2000 |
| 30168 | Tolbert Well Service | | Oil Operator | Jan 2025 |
| 30169 | Toledo Bend Well Service | | Oil Operator | Aug 2000 |
| 30170 | Toledo Mining Co | Irving, TX 75061 | Oil Operator | Dec 1989 |
| 30171 | Tollett Oil | Graham, TX 76450 | Oil Operator | Apr 2025 |
| 30172 | Tolson Gary | Seminole, OK 74868-3267 | Oil & Gas Operator | Jan 2025 |
| 30173 | Tom A Leeper | Brush Valley, PA 15720-0206 | Oil & Gas Operator | Dec 2024 |
| 30174 | Tom Boyd Drilling Co Inc | Roswell, NM 882021375 | Oil & Gas Operator | Jan 1996 |
| 30175 | Tom Brown Construction, Inc. | Astor, FL 32102 | Oil Operator | Dec 2024 |
| 30176 | Tom Brown Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 2004 |
| 30177 | Tom Coble Oil & Gas LP | Amarillo, TX 79105 | Oil & Gas Operator | Apr 2025 |
| 30178 | Tom E. Johnson Exploration LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 30179 | Tom Fenno Production LLC | | Oil Operator | Nov 2019 |
| 30180 | Tom Littlepage Oil Properties | | Oil & Gas Operator | Dec 1984 |
| 30181 | Tom Moore Trustee | | Oil Operator | Apr 1986 |
| 30182 | Tom Operating And Minerals LLC | Andrews, TX 79714 | Gas Operator | Apr 2025 |
| 30183 | Tom R Cone | Hobbs, NM 88240 | Oil Operator | Oct 2009 |
| 30184 | Tom West | | Oil & Gas Operator | Nov 1989 |
| 30185 | Tom'S Oil | | Oil Operator | Dec 2024 |
| 30186 | Tom-Tom Operating, LLC | Dallas, TX 75209 | Oil Operator | Apr 2025 |
| 30187 | Toma Explorations LLC | Shawnee, OK 74801-6925 | Oil & Gas Operator | Jan 2025 |
| 30188 | Toma Oil & Gas, Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Oct 1997 |
| 30189 | Tomahawk Oil Company, Inc. | Roundup, MT 59072 | Oil Operator | Jan 2025 |
| 30190 | Tomahawk Operating Co | Elida, NM 88116 | Oil & Gas Operator | Aug 2014 |
| 30191 | Tomar Petroleum Inc | Dallas, TX 75225 | Oil & Gas Operator | Mar 2001 |
| 30192 | Tomco Oil & Gas Inc. | Comanche, TX 76442 | Oil & Gas Operator | Apr 2025 |
| 30193 | Tomco Oil Incorp | | Oil Operator | Nov 1989 |
| 30194 | Tomco Oil, Inc. | Atlanta, KS 67008 | Oil & Gas Operator | Dec 2024 |
| 30195 | Tomel Production, LLC | Dallas, TX 75360 | Oil & Gas Operator | Apr 2025 |
| 30196 | Tomkat Limited | | Oil & Gas Operator | Jul 1995 |
| 30197 | Tomkat, LTD. | Wichita, KS 67278 | Oil & Gas Operator | Oct 2009 |
| 30198 | Tomlinson Interest | | Oil & Gas Operator | Jun 2013 |
| 30199 | Tomlinson Interests | | Oil & Gas Operator | Jan 1983 |
| 30200 | Tomlinson Oil Co. Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Jun 2023 |