| 3926 | SIDDHI VINAYAK LOH UDYOG PRIVATE LIMITED - U27109WB2004PTC098403 |
| 3927 | SIDDIQUE IRON & STEEL PRIVATE LIMITED - U27100WB2008PTC131224 |
| 3928 | SIDHANT STEEL PRIVATE LIMITED. - U27310WB1996PTC078419 |
| 3929 | SIDHI VINAYAK ALLOYS LIMITED - U27109WB2004PLC099057 |
| 3930 | SIDHI VINAYAK ISPAT PRIVATE LIMITED - U27109WB2003PTC096271 |
| 3931 | SIDHI VINAYAK VYAPAAR PRIVATE LIMITED - U27205WB2007PTC116220 |
| 3932 | SIDHIVINAYAK ROLLING MILLS PRIVATE LIMITED - U27320WB2007PTC119227 |
| 3933 | SIDISA ENGINEERING PVT LTD - U27109WB1966PTC026835 |
| 3934 | SIGMA STEEL AND ENGINEERS PVT LTD - U27109WB1990PTC050340 |
| 3935 | SIKKIM IRON & STEEL PRIVATE LIMITED - U27100WB2008PTC123474 |
| 3936 | SILIGURI ISPAT PRIVATE LIMITED - U27100WB2005PTC104890 |
| 3937 | SILIGURI QUALITY METAL PVT. LTD. - U27201WB1991PTC052985 |
| 3938 | SILIGURI STEELS LTD - L27209WB1974PLC029321 |
| 3939 | SILVER ARTS MANUFACTURING PVT LTD - U27205WB1981PTC033672 |
| 3940 | SILVER ISPAT PRODUCTS PVT LTD - U27100WB2005PTC106140 |
| 3941 | SILVER LINE FERRO PROJECTS PRIVATE LIMIT ED - U27310WB2010PTC147691 |
| 3942 | SILVER MELON PRIVATE LIMITED - U27109WB2005PTC102894 |
| 3943 | SILVERFINE ART PRIVATE LIMITED - U27310WB2011PTC171003 |
| 3944 | SILVERLINE INTERNATIONAL NIVESH PVT LTD - U27310WB1993PTC061033 |
| 3945 | SILVERTON METALS PVT LTD - U27101WB1972PTC028546 |
| 3946 | SIMPLEX COKE AND REFRACTORY PRIVATE LIMITED - U27310WB2011PTC161474 |
| 3947 | SIMPLEX JEWEL TRADE PRIVATE LIMITED - U27205WB2008PTC124862 |
| 3948 | SINBRO COMMERCIAL PVT. LTD. - U27109WB1993PTC059457 |
| 3949 | SINGH ATOMARE ENGG. PVT LTD - U27106WB1961PTC025307 |
| 3950 | SINGH FORGINGS PVT LTD - U27310WB1973PTC029036 |