| 501 | RAMBHAGAT LAXMINARAYAN JEWELLERS PRIVATE LIMITED - U27205CT2008PTC020498 |
| 502 | RAMESHWAR ISPAT PRIVATE LIMITED - U27102CT2005PTC017361 |
| 503 | RAMESHWAR SPONGE PRIVATE LIMITED - U27102CT2005PTC017360 |
| 504 | RAMESHWARAM STEEL AND POWER PRIVATE LIMITED - U27109CT2004PTC016620 |
| 505 | RAMNIVASH ISPAT PRIVATE LIMITED - U27106CT2003PTC015855 |
| 506 | RAMPURIA STEEL PRIVATE LIMITED - U27109CT2005PTC017347 |
| 507 | RANVEER ALLOYS PRIVATE LIMITED - U27300CT2015PTC001972 |
| 508 | RASHI STEEL AND POWER LIMITED - U27205CT2009PLC007869 |
| 509 | RASHMI ISPAT PRIVATE LIMITED - U27106CT2005PTC017967 |
| 510 | RASTOGI ALUMINA PRIVATE LIMITED - U27203CT2006PTC020125 |
| 511 | RAVIKARAN STEELS PRIVATE LIMITED - U27109CT2004PTC016898 |
| 512 | RAZA METCAST PRIVATE LIMITED - U27320CT1998PTC013209 |
| 513 | REAL ISPAT AND POWER LIMITED - U27107CT1999PLC013773 |
| 514 | REAL POWER PRIVATE LIMITED - U27109CT2004PTC016578 |
| 515 | REAL STEEL PROJECT PRIVATE LIMITED - U27106CT2009PTC020999 |
| 516 | RECON STEEL AND POWER PRIVATE LIMITED - U27310CT2004PTC017117 |
| 517 | RELIABLE IRON AND POWER PRIVATE LIMITED - U27104CT2004PTC016346 |
| 518 | RISHABH GEMS & JEWELLERS PRIVATE LIMITED - U27205CT2008PTC020671 |
| 519 | RITURAJ STEEL PRIVATE LIMITED - U27106CT1996PTC011147 |
| 520 | ROOPLAXMI INDUSTRIES INDIA LIMITED - U27100CT2009PLC000691 |
| 521 | ROOPLAXMI INDUSTRIES INDIA PRIVATE LIMITED - U27100CT2009PTC000691 |
| 522 | ROSHNI STEEL AND POWER LIMITED - U27100CT2008PLC020751 |
| 523 | ROTOCAST ABRASIVES LTD - U27106CT1992PLC007050 |
| 524 | ROTOCAST INDUSTRIES LIMITED - U27310CT1990PLC005661 |
| 525 | ROVER FERRO-TECH PRIVATE LIMITED - U27101CT2012PTC000184 |