| 1851 | TAMILNADU ALLOY FOUNDRY COMPANY LIMITED - U27101TZ1978PLC000796 |
| 1852 | TAMILNADU ALUMINIUM UDYOG PRIVATE LIMITED - U27203TN1994PTC027137 |
| 1853 | TAMILNADU CABLES & CONDUCTORS P LTD - U27209TN1968PTC005584 |
| 1854 | TAMILNADU CARBONS PVT. LTD - U27101TN1993PTC024858 |
| 1855 | TAMILNADU FORGINGS PRIVATE LIMITED - U27200TN1974PTC006532 |
| 1856 | TAMILNADU MAGNESITE LIMITED - U27109TZ1979SGC000834 |
| 1857 | TAMILNADU MAGNESITE PRODUCTS LIMITED - U27101TZ1979SGC000844 |
| 1858 | TAMILNADU ROLLING MILLS LIMITED - U27107TN1978PLC007470 |
| 1859 | TAMILNADU STEELS LIMITED - U27101TN1981GOI009000 |
| 1860 | TANIGSTEEL ROLLING MILLS P LTD - U27105TN1995PTC033690 |
| 1861 | TARSUN STEELS INDIA PRIVATE LIMITED - U27100TZ2010PTC016386 |
| 1862 | TASK PRESSINGS LIMITED - U27107TN2004PLC052947 |
| 1863 | TASTEX MARKETTING INDIA PRIVATE LIMITED - U27310TZ1990PTC002800 |
| 1864 | TATA KOTHARI STEELS LIMITED - U27104TN1991PLC020710 |
| 1865 | TAURUS METALS PRIVATE LIMITED - U27201TN1988PTC015751 |
| 1866 | TEBMA SHIPYARDS LIMITED - U27209TN1984PLC010994 |
| 1867 | TECCON SERVICES PRIVATE LIMITED - U27200TN1980PTC008387 |
| 1868 | TECHNO ALLOYS PRIVATE LIMITED - U27104TN1983PTC010396 |
| 1869 | TECHNO FAB MANUFACTURING (CHENNAI) LIMIT ED - U27106TN2009PLC072816 |
| 1870 | TECHNO PROGRESSIVE MARKETING (MADRAS) PRIVATE LIMITED - U27209TN1996PTC035684 |
| 1871 | TECHNO STEEL PROCESSING INDIA PRIVATE LIMITED - U27310TN2010PTC077857 |
| 1872 | TECHNOFIN EQUIPMENT PRIVATE LIMITED - U27209TN1980PTC008426 |
| 1873 | TECHNOMEC METALS INDIA PRIVATE LIMITED - U27100TZ2013PTC019643 |
| 1874 | TECHNOWEB MACHINES PRIVATE LIMITED. - U27209TN1986PTC013667 |
| 1875 | TEKNICON POWER ENGINEERING PVT LTD - U27209TN1988PTC015319 |