| 2126 | ORBIT ENGINEERING PRIVATE LIMITED - U27100DL1982PTC013292 |
| 2127 | ORCHID ALLOYS AND CASTING PRIVATE LIMITE D - U27100DL2011PTC216192 |
| 2128 | ORIENTAL FERRO-ALLOYS PRIVATE LIMITED - U27106DL1997PTC085217 |
| 2129 | ORIENTAL IRON CASTING LIMITED - U27100DL2010PLC210771 |
| 2130 | ORIENTAL MATCHEM LTD. - U27109DL1990PLC005739 |
| 2131 | ORIENTAL SPUN PIPE COMPANY LIMITED - U27202DL1961PLC003533 |
| 2132 | ORIGINAL CLUTCH CASTINGS PVT LTD - U27310DL1990PTC154724 |
| 2133 | ORION ALLOY & STRIPS LIMITED - U27200DL2011PLC224385 |
| 2134 | ORION IMPEX PRIVATE LIMITED - U27310DL2006PTC154757 |
| 2135 | ORION SPECIAL STEELS LIMITED - U27100DL2013PLC256302 |
| 2136 | ORISSA STEELMETALIKS PRIVATE LIMITED - U27205DL2010PTC207938 |
| 2137 | OSLO FABRICATIONS PRIVATE LIMITED - U27209DL2007PTC169851 |
| 2138 | OSMOSIS OVERSEAS PRIVATE LIMITED - U27100DL1996PTC081129 |
| 2139 | OSR STEEL INDUSTRIES PRIVATE LIMITED - U27101DL2016PTC308553 |
| 2140 | OUTOKUMPU INDIA PRIVATE LIMITED - U27310DL2006FTC155028 |
| 2141 | OVERCARE MARKETS PRIVATE LIMITED - U27310DL1993PTC054047 |
| 2142 | OXYTEK COMPONENTS PRIVATE LIMITED - U27100DL2016PTC308891 |
| 2143 | OYSTER STEEL & IRON PRIVATE LIMITED - U27200DL2008PTC185201 |
| 2144 | P D METALARK PRIVATE LIMITED - U27320DL2009PTC186524 |
| 2145 | P L JAIN STEEL COMPANY PRIVATE LIMITED - U27100DL2009PTC190688 |
| 2146 | P M METAL PRIVATE LIMITED - U27101DL1992PTC047610 |
| 2147 | P P STEEL GOODS PRIVATE LIMITED - U27106DL2006PTC145857 |
| 2148 | P R B HARDCAST STEEL AND INGOTS PRIVATE LIMITED - U27104DL2005PTC138054 |
| 2149 | P R HOLDINGS LIMITED - L27310DL1983PLC314402 |
| 2150 | P.G. METALS PRIVATE LIMITED - U27101DL1989PTC034820 |