| 501 | T.H.E AC ZONE PRIVATE LIMITED - U35204TN2000PTC044623 |
| 502 | TA CHING MARINE AND OFFSHORE PRIVATE LIMITED - U35900TN2014PTC097203 |
| 503 | TAMIL NADU IMPEX PRIVATE LIMITED - U35999TN1983PTC010555 |
| 504 | TAMILNADU BRAKES PRIVATE LIMITED - U35999TN1974PTC006689 |
| 505 | TAMILNADU SPRINGTS PVT LTD - U35999TN1993PTC025347 |
| 506 | TEBMA DOCKYARDS LIMITED - U35111TN1995PLC030337 |
| 507 | TEBMA MARINE PRIVATE LIMITED - U35111TN1980PTC008153 |
| 508 | TECHNO AUTOMOTIVE ENGINEERS PRIVATE LIMITED - U35914TN2010PTC074976 |
| 509 | TECHNOCON ENGINEERS PRIVATE LIMITED - U35999TN1974PTC006615 |
| 510 | TEKFORM ENGINEERING PRIVATE LIMITED - U35303TN1986PTC013345 |
| 511 | TELCHINES ENGINEERING PRIVATE LIMITED - U35100TN2011PTC082649 |
| 512 | TELTEKH CAAR PRIVATE LIMITED - U35999TN1996PTC035825 |
| 513 | TEUTONIC ENGINEERS PRIVATE LIMITED - U35999TN1989PTC017443 |
| 514 | THATHACHARIAR AUTOMOBILES PRIVATE LIMITED - U35999TN1989PTC016726 |
| 515 | TIDC INDIA LIMITED - U35999TN1960PLC004273 |
| 516 | TOP GEAR IMPEX PRIVATE LIMITED - U35911TN1996PTC036881 |
| 517 | TORANA MOTORS PRIVATE LIMITED - U35911TN1999PTC043492 |
| 518 | TOTAL MARITIME DESIGN PRIVATE LIMITED - U35111TN2006PTC058612 |
| 519 | TRAILER ENGINEERS PRIVATE LIMITED - U35990TN1980PTC008161 |
| 520 | TRANS CAR INDIA PRIVATE LIMITED - U35999TN1997PTC038647 |
| 521 | TRICHUR SUNDARAM SANTHANAM & FAMILY PRIVATE LIMITED - U35923TN2017PTC119549 |
| 522 | TRUSTED AEROSPACE ENGINEERING PRIVATE LIMITED - U35303TN2006PTC058729 |
| 523 | TS SHAPE INDIA PRIVATE LIMITED - U35900TN2016PTC111752 |
| 524 | TUBE INVESTMENTS OF INDIA LIMITED - L35100TN2008PLC069496 |
| 525 | TUBE INVESTMENTS OF INDIA LIMITED - L35921TN1949PLC002905 |