| 501 | TELIVUS TECHNOLOGY PRIVATE LIMITED - U64204WB2017PTC222456 |
| 502 | TELSPRO MULTISERVE PRIVATE LIMITED - U64204WB2018PTC224601 |
| 503 | TELSTAR COURIER & CARGO PRIVATE LIMITED - U64120WB2004PTC099042 |
| 504 | TEN COMMUNICATION PRIVATE LIMITED - U64202WB2010PTC150510 |
| 505 | TEXTRON INFOCARE PRIVATE LIMITED - U64120WB2017PTC221789 |
| 506 | TIRUMALA TELECOMMUNICATION SOLUTIONS PRI VATE LIMITED - U64203WB2011PTC159139 |
| 507 | TODAY'S DAAK PRIVATE LIMITED - U64100WB2009PTC135963 |
| 508 | TODI TELEKOMS PVT LTD - U64202WB1996PTC078301 |
| 509 | TOR-COMM LIMITED - U64202WB2003PLC097124 |
| 510 | TRACXPRESS DISTRIBUTION SOLUTIONS PRIVATE LIMITED - U64204WB2015PTC207280 |
| 511 | TRB TELECOM PRIVATE LIMITED - U64201WB2008PTC130287 |
| 512 | TRINITY CABLENET PRIVATE LIMITED - U64203WB2007PTC120465 |
| 513 | TRISYS ON-THE-NET PRIVATE LIMITED - U64201WB2000PTC091715 |
| 514 | TRIWAVE COMMUNICATION PRIVATE LIMITED - U64100WB2016PTC209626 |
| 515 | TWEEDLE TELE NETWORKS PRIVATE LIMITED - U64204WB2013PTC190921 |
| 516 | U S TELE TRANS P LTD - U64201WB1992PTC056492 |
| 517 | UBIQUITOUS INTERNATIONAL SERVICES PRIVATE LIMITED - U64204WB2015PTC208017 |
| 518 | UNIFIED CABLE NETWORK PRIVATE LIMITED - U64203WB2007PTC120414 |
| 519 | UNIFIED COMMUNICATION NETWORK PRIVATE LIMITED - U64202WB1997PTC085282 |
| 520 | UNIPAK AIR EXPRESS PVT.LTD. - U64120WB1994PTC064465 |
| 521 | UNIQUE NET WIRELESS TELECOM PRIVATE LIMI TED - U64201WB2010PTC156027 |
| 522 | UNITED INFRACORE LIMITED - U64100WB2008PLC128599 |
| 523 | UNITED TELECOM SYSTEMS PVT LTD - U64203WB1994PTC065593 |
| 524 | UNITED TELESERVICES LIMITED - U64202WB2011PLC162867 |
| 525 | UNITEL TELECOM INFRASTRUCTURE PRIVATE LIMITED - U64201WB2006PTC111932 |