| 551 | SAPS IRON AND POWER PRIVATE LIMITED - U27109CT2004PTC016542 |
| 552 | SARASWATI RE ROLLERS (INDIA) PRIVATE LIMITED - U27102CT2004PTC016834 |
| 553 | SARIN SPONGE IRON PRIVATE LIMITED - U27102CT2003PTC015805 |
| 554 | SARSWATI VIDYUT AND ISPAT PRIVATE LIMITED - U27102CT2003PTC015861 |
| 555 | SARTHAK ISPAT PRIVATE LIMITED - U27100CT2007PTC020486 |
| 556 | SARWESHWAR ALLOYS PRIVATE LIMITED - U27104CT1996PTC010815 |
| 557 | SATNA MINERALS AND METALS PRIVATE LIMITED - U27100CT2011PTC022612 |
| 558 | SATURN FERRO ALLOYS PVT LTD - U27103CT1992PTC006998 |
| 559 | SATVIKI ALLOYS PRIVATE LIMITED - U27101CT2015PTC001655 |
| 560 | SATYARTH STEEL AND POWER PRIVATE LIMITED - U27106CT2002PTC015375 |
| 561 | SAURABH FLANGES PRIVATE LIMITED - U27106CT2007PTC020224 |
| 562 | SAURABH STRIPS PRIVATE LIMITED - U27107CT1998PTC012814 |
| 563 | SBS ALLOYS AND METALS PRIVATE LIMITED - U27209CT2017PTC007791 |
| 564 | SCA CHEMICALS (INDIA) LIMITED - U27310CT1997PLC012519 |
| 565 | SEAMS SPONGE IRON PRIVATE LIMITED - U27102CT2005PTC017356 |
| 566 | SELENO STEELS LIMITED - U27106CT2001PLC014760 |
| 567 | SETH BANSHIDHAR KEDIA STEEL PRIVATE LIMITED (CHAPTER-IX) - U27104CT2005PTC017569 |
| 568 | SHAH JAWAHAR LAL JETHALAL JEWELLERS PRIVATE LIMITED - U27205CT2007PTC020331 |
| 569 | SHAH METALICS PRIVATE LIMITED - U27106CT2010PTC021708 |
| 570 | SHAKTI ISPAT AND ENERGY LIMITED - U27100CT2008PLC020906 |
| 571 | SHAKTI-PUNJ ISPAT PRIVATE LIMITED - U27106CT2005PTC017647 |
| 572 | SHAMBHAVI STEELS PRIVATE LIMITED - U27106CT2005PTC017398 |
| 573 | SHANTA FERRO ALLOYS PRIVATE LIMITED - U27101CT2011PTC022621 |
| 574 | SHILPHY STEELS PVT LTD - U27106CT1995PTC009165 |
| 575 | SHIPRA IRON AND STEEL (INDIA) PRIVATE LIMITED - U27106CT2004PTC017188 |