| 501 | TERRA MAGMA PVT. LTD. - U14107WB1993PTC060139 |
| 502 | TERRA MIN RESOURCES PRIVATE LIMITED - U14200WB2011PTC161315 |
| 503 | THE BISRA STONE LIME COMPANY LIMITED - L14100WB1910GOI001996 |
| 504 | THE JAI MICA SUPPLY CO PVT LTD - U14293WB1958PTC023782 |
| 505 | THE JAIN CHINA CLAY MINES PVT LTD. - U14108WB1953PTC020801 |
| 506 | THIESS MINECS INDIA PRIVATE LIMITED - U14108WB2005PTC105890 |
| 507 | TIMES MARBLE PRIVATE LIMITED - U14101WB2002PTC094861 |
| 508 | TIRUPATI EARTHMOVERS PRIVATE LIMITED - U14200WB2011PTC168883 |
| 509 | TIRUPATI MINING PRIVATE LIMITED - U14200WB2009PTC133155 |
| 510 | TITAN MARBLES PVT LTD - U14101WB1988PTC044490 |
| 511 | TITHI MINING MINERALS PRIVATE LIMITED - U14220WB2014PTC201975 |
| 512 | TODI MINERALS PRIVATE LIMITED - U14200WB2003PTC096491 |
| 513 | TORRENT MINERALS PRIVATE LIMITED - U14290WB2016PTC218148 |
| 514 | TOUCHSTONE SAND AND AGGREGATES PRIVATE LIMITED - U14220WB2014PTC204150 |
| 515 | TRANSDAMODAR MINING PRIVATE LIMITED - U14290WB2016PTC215484 |
| 516 | TRIVENI MINERALS PVT. LTD. - U14200WB1909PLC008368 |
| 517 | U MICA MINERS LTD - U14220WB1945PLC012251 |
| 518 | ULTRAPLUS INNOVATION PRIVATE LIMITED - U14210WB2008PTC125636 |
| 519 | UMA EXPORTS LTD - U14109WB1988PLC043934 |
| 520 | UMESH MINERAL INDUSTRIES PVT. LTD - U14219WB1988PTC045370 |
| 521 | UNI GRANITES LIMITED - U14102WB1992PLC111875 |
| 522 | UNITED EXPLORATION INDIA PRIVATE LIMITED - U14220WB2014PTC204104 |
| 523 | UNITED MINWRALS PVT LTD - U14200WB1943PTC011560 |
| 524 | UNITY PAINTS & CHEMICALS COMPANY PVT. LTD. - U14219WB1986PTC040705 |
| 525 | UNIVERSAL MINERALS GRAPHITE MINING PRIVA TE LIMITED - U14200WB2009PTC139018 |