| 1901 | SIDDARTH STEEL TUBES PRIVATE LIMITED - U27310GJ1985PTC007977 |
| 1902 | SIDDH ENGINEERING PRIVATE LIMITED - U27107GJ2007PTC050791 |
| 1903 | SIDDHCHAKRA STEELS PRIVATE LIMITED - U27109GJ2009PTC057003 |
| 1904 | SIDDHESHWAR TECHNOFORGE PRIVATE LIMITED - U27100GJ2016PTC093906 |
| 1905 | SIDDHI CAST PVT LTD - U27310GJ1995PTC028178 |
| 1906 | SIDDHI METEXOLOGY LIMITED - U27200GJ2011PLC067507 |
| 1907 | SIDDHI STEELS PRIVATE LIMITED - U27100GJ2003PTC073760 |
| 1908 | SIDDHIVINAYAK ALUMINIUM PRIVATE LIMITED - U27205GJ2012PTC072300 |
| 1909 | SIDHARTH AGENCIES LIMITED - U27100GJ1963PLC001231 |
| 1910 | SIGMA FASTNERS PVT.LTD. - U27109GJ1991PTC015007 |
| 1911 | SIGMA MECHOTRONICS PRIVATE LIMITED - U27310GJ2008PTC054134 |
| 1912 | SIGNATURE STEEL PRIVATE LIMITED - U27100GJ2014PTC078351 |
| 1913 | SILICON METALS PRIVATE LIMITED - U27109GJ2012PTC070391 |
| 1914 | SILVER ALUMINIUM EXTRUSION PVT LTD - U27310GJ1987PTC009871 |
| 1915 | SILVER COIN EXTRUSION PRIVATE LIMITED - U27203GJ2012PTC068860 |
| 1916 | SILVER FORGE PRIVATE LIMITED - U27109GJ2004PTC044555 |
| 1917 | SILVERA METALCAST LIMITED - U27320GJ1996PLC030987 |
| 1918 | SILVERACE EXTRUSION PRIVATE LIMITED - U27203GJ2008PTC055563 |
| 1919 | SILVERLINE TECHNOCAST & FORGE PRIVATE LIMITED - U27310GJ2006PTC048783 |
| 1920 | SILVERSTAR METALS PRIVATE LIMITED - U27205GJ2013PTC074203 |
| 1921 | SIMBA ALLOYS PRIVATE LIMITED - U27101GJ2003PTC042392 |
| 1922 | SIMCO PRECISION CASTINGS PRIVATE LIMITED - U27310GJ2000PTC037286 |
| 1923 | SINCROWELLS STEEL PRIVATE LIMITED - U27109GJ2007PTC052209 |
| 1924 | SINGHAL SHEETS & FOILS PRIVATE LIMITED - U27201GJ2013PTC076980 |
| 1925 | SINGLE EYE OVERSEAS PRIVATE LIMITED - U27100GJ2011PTC067835 |