| 526 | SHUBH MOHINI ENTERPRISES PRIVATE LIMITED - U32109WB1998PTC087195 |
| 527 | SICCO ELECTRIC SHOCK CONTROLDEVICE PVT L TD - U32109WB1966PTC026874 |
| 528 | SIDDHARTHA COMPUTERONICS & SOFTECH PVT. LTD. - U32107WB1994PTC063615 |
| 529 | SIEMENS TELEMATIK LTD. - U32202WB1987PLC043527 |
| 530 | SIGMA SEARCHLIGHTS LTD. - U32109WB1992PLC056871 |
| 531 | SIGNON ELECTRONICS PRIVATE LIMITED - U32109WB1998PTC086705 |
| 532 | SILIGURI SOUND AND MUSIC PRIVATE LIMITED - U32309WB2011PTC159536 |
| 533 | SIMOCO TELECOMMUNICATIONS (SOUTH ASIA) LIMITED - U32109WB1979PLC031942 |
| 534 | SINGALCO INDUSTRIES PRIVATE LIMITED - U32301WB1998PTC088176 |
| 535 | SINHA ELECTRICALS PRIVATE LIMITED. - U32300WB2008PTC125331 |
| 536 | SIONA SYSTEMS AND SOLUTIONS PRIVATE LIMITED - U32102WB2012PTC186542 |
| 537 | SKS AD MEDIA COMMUNICATIONS PRIVATE LIMITED - U32204WB2010PTC151139 |
| 538 | SKS ELECTRONICS PVT LTD - U32202WB1983PTC036414 |
| 539 | SKYLARK ELECTRONICS PVT LTD - U32302WB1988PTC043658 |
| 540 | SKYTONE ELECTRONICS PVT.LTD. - U32209WB1990PTC049575 |
| 541 | SLS TELECOM PRIVATE LIMITED - U32204WB2010PTC154925 |
| 542 | SMART HOMECARE BUSINESS LIMITED - U32109WB2006PLC110621 |
| 543 | SMART SIGNAGES PRIVATE LIMITED - U32109WB1983PTC036922 |
| 544 | SOEL ELECTRONICS PVT LTD - U32106WB1996PTC080996 |
| 545 | SOIGNEE FASHION PRIVATE LIMITED - U32204WB2008PTC123023 |
| 546 | SOLAR ELECTRONICS PVT LTD - U32301WB1985PTC038945 |
| 547 | SOMNET DYNAGRAPHICS PVT LTD - U32109WB1996PTC077561 |
| 548 | SONEX ELECTRONICS PVT LTD - U32109WB1975PTC029874 |
| 549 | SONIAM ELECTRONICS PVT LTD - U32109WB1985PTC039913 |
| 550 | SONODYNE INTERNATIONAL PRIVATE LIMITED - U32109WB1982PTC034473 |