| 1826 | TAMILNADU AIR PRODUCTS PRIVATE LIMITED - U40300TN1985PTC011544 |
| 1827 | TAMILNADU CEMENTS CORPORATION LIMITED - U40200TN1976SGC007081 |
| 1828 | TAMILNADU COGEN POWER LIMITED - U40101TN1997PLC037552 |
| 1829 | TAMILNADU GENERATION AND DISTRIBUTION CORPORATION LIMITED - U40109TN2009SGC073746 |
| 1830 | TAMILNADU TRANSMISSION CORPORATION LIMITED - U40109TN2009SGC071948 |
| 1831 | TAMILNADU WIND POWER PRIVATE LIMITED - U40107TN2006PTC059838 |
| 1832 | TAMRAK RENEWABLE ENERGY PRIVATE LIMITED - U40102TN2015FTC101090 |
| 1833 | TAPANA ENERGY PRIVATE LIMITED - U40109TN2009PTC073631 |
| 1834 | TAPTI RENEWABLE ENERGY PRIVATE LIMITED - U40300TN2013PTC093938 |
| 1835 | TAQA INDIA POWER VENTURES PRIVATE LIMITED - U40300TN2012PTC101788 |
| 1836 | TAQA NEYVELI POWER COMPANY PRIVATE LIMITED - U40109TN1993PTC026223 |
| 1837 | TARAN GREEN ENERGY PRIVATE LIMITED - U40108TZ2014PTC020704 |
| 1838 | TBS INDUSTRIES PRIVATE LIMITED - U40107TZ2016PTC027902 |
| 1839 | TEAM RENERGY TECH PRIVATE LIMITED - U40106TN2008PTC069465 |
| 1840 | TEAMSEC ENERGY PRIVATE LIMITED - U40106TN2015PTC101517 |
| 1841 | TECHNO-FUTURA INTERNATIONAL LIMITED' - U40106TN1995PLC031394 |
| 1842 | TECHRIGHT SOLAR ENERGY PRIVATE LIMITED - U40300TN2013PTC092884 |
| 1843 | TECHSUN ENERGIES AND ENGINEERING SERVICES PRIVATE LIMITED - U40109TN2008PTC069439 |
| 1844 | TECHSUN ENERGIES SOLAR PRIVATE LIMITED - U40106TN2016PTC104659 |
| 1845 | TECHWIN SOLAR EQUIPMENTS PRIVATE LIMITED - U40300TN2012PTC086341 |
| 1846 | TEEMS INDIA ENERGY PLUS PRIVATE LIMITED - U40109TN2004PTC055047 |
| 1847 | TEEMS INDIA TOWER LINES PRIVATE LIMITED - U40100TN2007PTC065611 |
| 1848 | TEJASRI NATURAL POWER PRIVATE LIMITED - U40300TN2018PTC121293 |
| 1849 | TELTEKH POWERON PRIVATE LIMITED - U40108TN2013PTC091457 |
| 1850 | TEM SOLAR POWERTECH PRIVATE LIMITED - U40300TZ2011PTC017547 |