| 1 | SIEMENS LTD | North 24 Parganas | Barasat | KADAMBAGACHI |  | | | | |
| 2 | SIEMENS LTD | Hooghly | Serampore | Vill-Aniya, PO Aniya, Chanditala | | | | | |
| 3 | SIEMENS LTD. | Paschim Medinipur | Kharagpur | KHARAGPUR | | | | | |
| 4 | SIGMA ELECTRONIC | Coochbehar | Mathabhanga | AMLA PARA, WORD NO-6 | | | | | |
| 5 | SIGMA ELECTRONICS | Coochbehar | Mathabhanga | AMLAPARA | | | | | |
| 6 | SIGMA OVERSEAS PVT LTD. | South 24 Parganas | Falta SEZ | SAGAR MANNA ROAD | | | | | |
| 7 | SIGNATURE BINIMOY | Hooghly | Chinsurah | DULFA, GURAP | | | | | |
| 8 | SIJGRAM BHARAT VGAS GRAMIN VITRAK | Murshidabad | Kandi | SIJGRAM BHARATPUR | | | | | |
| 9 | SIKA INDIA PVT. LTD. | Nadia | Kalyani | KALYANI INDUSTRIAL ESTATE, PH-I, BLOCK D, KALYANI, NADIA | | | | | |
| 10 | SIKDAR ENGINEERING WORKS | Uttar Dinajpur | Raigunj Sadar | BAROIBARI | | | | | |
| 11 | SIKHA & SONS | Darjeeling | Siliguri | COLLEGE PARA, ASHUTOSH MUKHERJEE ROAD | | | | | |
| 12 | SILICON | Darjeeling | Siliguri | 1ST, FLOOR, NILNOLINI COMPLEX, BIDHAN ROAD, NEAR PANITANKI MORE, | | | | | |
| 13 | SILICON COMPUTER | Darjeeling | Darjeeling Sadar | UNIQUE MARKET 3RD FLOOR, RN SINHA ROAD | | | | | |
| 14 | SILIGURI AUTO WORKS PVT LTD | Jalpaiguri | Jalpaiguri Sadar | Bazra Para, Jalpaiguri. | | | | | |
| 15 | SILIGURI BUILDERS PVT. LTD. | Jalpaiguri | Jalpaiguri Sadar | CHAYAN PARA,EASTERN BYPASS,NEAR MANAKAMANA FLOUR MILL,PO-EKTIASAL. | | | | | |
| 16 | SILIGURI BUILDERS PVT. LTD.(AKZONOBEL DULUX WAREHOUSE) | Jalpaiguri | Jalpaiguri Sadar | CHAYAN PARA,EASTERN BYPASS,NEAR MANAKAMANA FLOUR MILL,PO-EKTIASAL. | | | | | |
| 17 | SILIGURI DRESSES | Darjeeling | Siliguri | HILL CART ROAD,OPP KHADIMS | | | | | |
| 18 | SILIGURI INTERNET & CABLE T.V PVT. LTD. | Darjeeling | Siliguri | 46, SARAT BOSE ROAD, HAKIMPARA | | | | | |
| 19 | SILIGURI INTERNET AND CABLE TV PVT. LTD. | Darjeeling | Siliguri | 46 SARAT BOSE ROAD, HAKIMPARA | | | | | |
| 20 | SILIGURI O&M CONSTRUCTION OFFICE, WBSETCL | Darjeeling | Siliguri | 17, BUDDHADEB BOSE ROAD, ASHRAMPARA | | | | | |
| 21 | SILIGURI RICE & GENERAL MILLS (P) LTD. | Jalpaiguri | | P.O. SAHUDANGI, | | | | | |
| 22 | SILK ROUTE RETREAT | Kalimpong | Kalimpong | 21st Mile, Pedong | | | | | |
| 23 | SIMANTI TELECOM | North 24 Parganas | Basirhat | NEAR TAKI PETROL PUMP | | | | | |
| 24 | SIMA PAINTS HOUSE | North 24 Parganas | Basirhat | Vill.+P.O.+P.S.- Hasnabad | | | | | |
| 25 | SIMILAR GHOSH | Dakshin Dinajpur | Balurghat | raghunathpur Balurghat | | | | | |
| 26 | SIMLAPAL FILLING STATION | Bankura | Khatra | VILL+PO+PS-SIMLAPAL.DIST-BANKURA | | | | | |
| 27 | SIMPLEXEXTRUDER PVT LTD | Hooghly | Chinsurah | DELHI ROAD KAMDEVPUR HOOGHLY 712102 | | | | | |
| 28 | SIMPLEX INFRACSTRUCTURE LTD. | Coochbehar | Dinhata | 537, Singimari, Sagardighi Ghat | | | | | |
| 29 | SIMPLEX INFRASTRUCTURE LTD. | Coochbehar | Dinhata | GOSSANIMARI, SAGARDIGHI, DINHATA. | | | | | |
| 30 | SIMRATH HOTEL AND LODGE | Darjeeling | Siliguri | SURYA SEN MARKET,THIKNIKATA | | | | | |
| 31 | SIM(STAR INSTITUTE OF MANAGEMENT ) | Darjeeling | Siliguri | Patel Road, | | | | | |
| 32 | SIMULBARIE TEA ESTATE FACTORY | Darjeeling | | PO. SIMULBARI | | | | | |
| 33 | SINCLAIRS HOTELS LTD(DOOARS) | Jalpaiguri | Mal Bazar | CHALSA HILTOP, | | | | | |
| 34 | SINDRI F.L OFF & ON AND C.S SHOP | Purulia | Purulia Sadar(W) | Sindri(Khayerbani) | | | | | |
| 35 | SINGH'S MOBILE STORE | Darjeeling | Darjeeling Sadar | GOENKA ROAD | | | | | |
| 36 | SINGHA AUTO CENTRE | Jhargram | Jhargram | OLD JHARGRAM | | | | | |
| 37 | SINGHA BUILDERS & HARDWARE | Nadia | Krishnanagar Sadar | Chapra Bazar | | | | | |
| 38 | SINGHAL BROTHERS. | Kolkata | | 48 MATHESWARTOLA ROAD KOL 46 | | | | | |
| 39 | SINGH BRICK ENTERPRISE | Nadia | Krishnanagar Sadar | Singh Brick Enterprise | | | | | |
| 40 | SINGH FISHER N | Purulia | Purulia Sadar(E) | JL NO.43, R.S PLOT NO. 227, 228, 229(P), 230(P), R.S.KHATIAN NO.47, MOUZA KALIPUR UNDER SONAIJURI, PO: SIMULIA, PS: PURULIA (M), DIST: PURULIA 723102 | | | | | |
