| 1901 | TRIPOWER ENERGY PRIVATE LIMITED - U40109TN2015PTC103273 |
| 1902 | TRISHE ENERGY SOLUTIONS PRIVATE LIMITED - U40300TN2012PTC088704 |
| 1903 | TRISHE EPC PRIVATE LIMITED - U40300TN2013PTC091195 |
| 1904 | TRUE ENERGY SYSTEMS PRIVATE LIMITED - U40104TN2007PTC063612 |
| 1905 | TRUJEEV ENERGY SOLUTIONS PRIVATE LIMITED - U40200TN2012PTC086078 |
| 1906 | TULIP RENEWABLE POWERTECH PRIVATE LIMITED - U40108TZ2012PTC018862 |
| 1907 | TULSYAN POWER LIMITED - U40101TN2002PLC049958 |
| 1908 | TURBO ENERGY PRIVATE LIMITED - U40107TN1982PTC009363 |
| 1909 | TURBO WIND CARE PRIVATE LIMITED - U40108TN2001PTC047756 |
| 1910 | TUTICORIN ENERGY PRIVATE LIMITED - U40100TN2010PTC075046 |
| 1911 | TUTICORIN LNG TERMINAL PRIVATE LIMITED - U40200TN2016PTC104627 |
| 1912 | TUTICORIN POWER COMPANY PRIVATE LIMITED - U40100TN2007PTC065444 |
| 1913 | TVH ENERGY RESOURCE PRIVATE LIMITED - U40100TN2008PTC066478 |
| 1914 | TVS GREENTECH POWER LIMITED - U40101TN2011PLC083427 |
| 1915 | TVS POWER LIMITED - U40109TN1987PLC014913 |
| 1916 | TWENTYFIRST CENTURY ENERGY MECHANISM PRIVATE LIMITED - U40108TN2001PTC047392 |
| 1917 | TWS POWERTECH SOLUTIONS PRIVATE LIMITED - U40105TN2011PTC079390 |
| 1918 | U P S ENGINEERING PRIVATE LIMITED - U40300TN2013PTC090167 |
| 1919 | UDANGUDI POWER CORPORATION LIMITED - U40100TN2008PLC070300 |
| 1920 | UDAY ENERGY PRIVATE LIMITED - U40105TN2011PTC079680 |
| 1921 | UDAYA INDUSTRIES INDIA PRIVATE LIMITED - U40108TN2007PTC062317 |
| 1922 | ULAGINOLI ENERGY SOLUTIONS PRIVATE LIMITED - U40300TN2013PTC091329 |
| 1923 | ULTRA COSMIC SOLAR ENERGY PRIVATE LIMITED - U40106TZ2012PTC019077 |
| 1924 | ULTRA GREEN CORPORATION PRIVATE LIMITED - U40108TZ2013PTC019351 |
| 1925 | ULTRA HIGH TECH POWER INDIA PRIVATE LIMITED - U40108TZ2011PTC017376 |