| 1901 | SILVERLINE TELECOM PRIVATE LIMITED - U32109DL2004PTC131424 |
| 1902 | SIMMTRONICS MEMORIES (INDIA) PRIVATE LIMITED - U32109DL2003PTC121033 |
| 1903 | SIMOT ELECTRONICS PRIVATE LIMITED - U32105DL1985PTC020675 |
| 1904 | SIMPLA ELECTRONICS PRIVATE LIMITED - U32200DL1983PTC015182 |
| 1905 | SIMPULSE TECHNOLOGY PRIVATE LIMITED - U32300DL2011PTC223567 |
| 1906 | SIMRAN ENTERPRISES (INDIA) LIMITED - U32109DL1992PLC051206 |
| 1907 | SINE WAVE PRIVATE LIMITED - U32109DL1985PTC019924 |
| 1908 | SINEONE TELESERVICES PRIVATE LIMITED - U32204DL2008PTC184875 |
| 1909 | SINETRON POWER LIMITED - U32109DL1998PLC096223 |
| 1910 | SINEWAVE COMMUNICATION PRIVATE LIMITED - U32109DL1995PTC070972 |
| 1911 | SINGHANIA INDUSTRIES LIMITED - U32109DL2007PLC170338 |
| 1912 | SIR S GOLD ELECTRONICS PRIVATE LIMITED - U32101DL1992PTC051128 |
| 1913 | SIRIUS ELECTRONICS AND TELECOMMUNICATION SYSTEMS PRIVATE LIMITED - U32109DL1998PTC094053 |
| 1914 | SIROHI ELECTRNICS INDUSTRIES PRIVATE LIM ITED - U32101DL1989PTC035481 |
| 1915 | SISTO TECHNOLOGIES PRIVATE LIMITED - U32108DL2007PTC163622 |
| 1916 | SITARA RADIO INDIA PRIVATE LIMITED - U32201DL1999PTC101234 |
| 1917 | SIWAYS MICROELECRONICS PRIVATE LIMITED - U32109DL2005PTC143242 |
| 1918 | SJS COMPONENTS PRIVATE LIMITED - U32109DL1997PTC089510 |
| 1919 | SJS ELECTRONICS LIMITED - U32109DL1997PLC089065 |
| 1920 | SKM CONTROL & SWITCHGEAR PRIVATE LIMITED - U32204DL2007PTC165761 |
| 1921 | SKY TEK INDIA PRIVATE LIMITED - U32109DL1994PTC057949 |
| 1922 | SKY TOUCH ELECTRONICS PRIVATE LIMITED - U32109DL2004PTC128634 |
| 1923 | SKYCOM INDIA PRIVATE LIMITED - U32109DL1999PTC098388 |
| 1924 | SKYLAND INTERNATIONAL PRIVATE LIMITED - U32109DL1999PTC098967 |
| 1925 | SKYMATES ELECTRO POWER PRIVATE LIMITED - U32305DL1985PTC021899 |