| 251 | SOUTHERN ALLOY STEEL CASTINGS PRIVATE LIMITED - U27106KL2012PTC032925 |
| 252 | SOUTHERN BRIGHT STEEL PVT LTD - U27105KL1962PTC002004 |
| 253 | SOUTHERN METAL ROLLING MILLS PVT LTD - U27106KL1974PTC002573 |
| 254 | SOUTHERN PROPELLERS PVT. LIMITED - U27320KL1991PTC006135 |
| 255 | SPINNER EXTRUSIONS PRIVATE LIMITED - U27209KL2010PTC026310 |
| 256 | SRI PADMABALAJI ALLOYS PRIVATE LIMITED - U27106KL2002PTC015188 |
| 257 | SRI RANGA VILAS STEEL ROLLING MILLS LTD - U27105KL1961PLC001905 |
| 258 | SSR STEEL PRIVATE LIMITED - U27100KL2014PTC035967 |
| 259 | STABLE STEELS LIMITED - U27106KL1988PLC005130 |
| 260 | STAMINA STEEL INDUSTRIES P LTD - U27105KL1986PTC004429 |
| 261 | STARLIGHT METALS LTD - U27107KL1977PLC002904 |
| 262 | STARSHINE ALUMINIUM EXTRUSIONS PRIVATE LIMITED - U27310KL2016PTC045997 |
| 263 | STEEL INDUSTRIALS KERALA LTD - U27106KL1975SGC002656 |
| 264 | STEEL MAX ROLLING MILLS LIMITED - U27106KL2004PLC016868 |
| 265 | STEELMAX ALLOYS LIMITED - U27310KL1994PLC021033 |
| 266 | STELLA STEELS PVT LTD - U27105KL1986PTC004397 |
| 267 | STERLING ALUMINIUM PVT LTD - U27203KL1990PTC005676 |
| 268 | SULOHA ENGINEERING CONSORTIUM PRIVATE LIMITED - U27100KL2008PTC022975 |
| 269 | SUN METALS AND ALLOYS PRIVATE LIMITED(AMAL) - U27107KL1980PTC003235 |
| 270 | SUNFAB TECHNO DESIGNS INDIA PRIVATE LIMITED - U27104KL2005PTC018762 |
| 271 | SUPRIYA ALUMINIUM COMPANY LIMITED - U27203KL1994PLC007884 |
| 272 | SURABHI ISPAT PRIVATE LIMITED - U27104KL2002PTC015354 |
| 273 | SURABHI STEEL CASTINGS PRIVATE LIMITED - U27104KL2002PTC015235 |
| 274 | SURABHI STEEL ROLLING MILLS PRIVATE LIMITED - U27105KL1995PTC009114 |
| 275 | SURABHI STEEL TUBES PRIVATE LIMITED - U27109KL2002PTC015234 |