| 501 | SHERLOCK INSTITUTE OF FORENSIC SCIENCE INDIA PRIVATE LIMITED - U73100DL2013PTC251209 |
| 502 | SHILPAX LABORATORIES LTD. - U73100DL1987PLC028721 |
| 503 | SHIMAL RESEARCH LABORATORIES LIMITED - U73100DL2001PLC109185 |
| 504 | SHIMI RESEARCH CENTER PRIVATE LIMITED - U73100DL2000PTC103893 |
| 505 | SHIN EDUPOWER PRIVATE LIMITED - U73200DL2016PTC308985 |
| 506 | SHINING HEIGHTS RESEARCH PRIVATE LIMITED - U73200DL2017PTC316733 |
| 507 | SHIV SHANKAR HOMOEO PVT LTD - U73100DL1979PTC010032 |
| 508 | SHIVLINK SERVICES PRIVATE LIMITED - U73100DL1998PTC092973 |
| 509 | SIESTE INOVACE PRIVATE LIMITED - U73100DL2016PTC289578 |
| 510 | SIGMA INSTITUTE OF ENERGY AND ENVIRONMENT PRIVATE LIMITED - U73100DL2015PTC283761 |
| 511 | SIGNET BIOTECH RESEARCH INDIA PRIVATE LIMITED - U73100DL2009PTC188397 |
| 512 | SILVERKNIGHT TECHNOLOGIES PRIVATE LIMITED - U73200DL2012PTC241997 |
| 513 | SINGHEE RESEARCH AND INNOVATORS PRIVATE LIMITED - U73100DL1991PTC044726 |
| 514 | SIXTH SENSE RESEARCH SOLUTIONS PRIVATE LIMITED - U73100DL2010PTC202858 |
| 515 | SK C&C INDIA PRIVATE LIMITED - U73100DL2007PTC166950 |
| 516 | SKIES LIFE TECHNOLOGIES PRIVATE LIMITED - U73100DL2013PTC251524 |
| 517 | SKILL POWER ORGANISATION - U73100DL2015NPL278513 |
| 518 | SMART ID FOUNDATION - U73100DL2012NPL231622 |
| 519 | SMARTEDGE LEARNING AND DEVELOPMENT PRIVATE LIMITED - U73100DL2010PTC211261 |
| 520 | SME GLOBAL BUSINESS AND TECHNOLOGY FORUM - U73200DL2017NPL319718 |
| 521 | SNAGA AT WELD INDIA PRIVATE LIMITED - U73100DL2008PTC175276 |
| 522 | SOCIAL AND CULTURAL RESEARCH INSTITUTION FOR INTER CONTINENTAL EXCHANGE - U73100DL2013NPL259928 |
| 523 | SOCIAL RESEARCH AND REFERENCE SERVICE PR IVATE LIMITED - U73200DL1969PTC005087 |
| 524 | SODAR TECHNOLOGIES PRIVATE LIMITED - U73100DL2013PTC259077 |
| 525 | SOFTNET TECHNOLOGIST PRIVATE LIMITED - U73100DL1999PTC099683 |