| 326 | SONALI CERAMICS PVT LTD - U33204WB1987PTC042778 |
| 327 | SONJAG PHARMACEUTICALS PRIVATE LIMITED - U33111WB2013PTC198362 |
| 328 | SOUTH CALCUTTA NETWORK PRIVATE LIMITED - U33301WB1997PTC084403 |
| 329 | SQUAREM SYSTEMS PRIVATE LIMITED - U33111WB2003PTC095911 |
| 330 | SRIDHAR PRECISION ENGINEERING CO PRIVATE LIMITED - U33111WB2011PTC162421 |
| 331 | SSAS HOSPITAL AND MEDICAL PRIVATE LIMITED - U33111WB2012PTC186572 |
| 332 | STANDARD LABORATORIES PVT LTD - U33125WB1960PTC024684 |
| 333 | STAR FILM COMPANY PVT LTD - U33205WB1989PTC046473 |
| 334 | STAR PHARMACEUTICALS PVT LTD - U33119WB1976PTC030595 |
| 335 | STEPHENS & CO PVT LTD - U33203WB1943PTC011344 |
| 336 | SUKURA HOTELS PRIVATE LIMITED - U33112WB2005PTC106665 |
| 337 | SUN DIAL WATCH MFG. CO. PVT. LTD - U33301WB1960PTC024668 |
| 338 | SUNSHADE CO PVT LTD - U33127WB1957PTC023428 |
| 339 | SUPER CLOCK MFG CO PVT LTD - U33301WB1978PTC031625 |
| 340 | SURAVI MOVIES PRIVATE LIMITED - U33205WB2000PTC092741 |
| 341 | SURYA BUSINESS PVT LTD - U33301WB1996PTC079266 |
| 342 | SURYA TIMES TRADING PRIVATE LIMITED - U33301WB2007PTC115582 |
| 343 | SUSRUT EYE CARE PRIVATE LIMITED - U33100WB2017PTC219349 |
| 344 | SUVON BIOTECH PRIVATE LIMITED - U33119WB2000PTC091793 |
| 345 | SVAARAAS HEALTHCARE PRIVATE LIMITED - U33111WB2016PTC210332 |
| 346 | SWAN ANODISERS AND ENGINEERS PVT LTD - U33125WB1961PTC025304 |
| 347 | SWC ENGINEERING SERVICES PRIVATE LIMITED - U33125WB1988PTC044846 |
| 348 | T.M. APPLIANCES PVT. LTD. - U33119WB1990PTC049035 |
| 349 | TAMRALIPTA SURGICAL INDUSTRIES PVT LTD - U33112WB1988PTC045412 |
| 350 | TECHNO AID PVT LTD - U33130WB1988PTC044234 |