| 1976 | NAFIS METAWARES PRIVATE LIMITED - U27310DL2007PTC170915 |
| 1977 | NAINI ROLLING MILLS LIMITED - U27109DL2003PLC120768 |
| 1978 | NAKSHATRA METALS PRIVATE LIMITED - U27109DL2008PTC179928 |
| 1979 | NAMAH SHIVAYA FABRICATORS PRIVATE LIMITED - U27201DL2002PTC115853 |
| 1980 | NAMAH SHIVAYA STEELS PRIVATE LIMITED - U27310DL2007PTC167251 |
| 1981 | NAMAN ALLOYS PRIVATE LIMITED - U27101DL2004PTC127994 |
| 1982 | NAMO ALLOYS PRIVATE LIMITED - U27203DL1996PTC075448 |
| 1983 | NAMO DEVELOPERS PRIVATE LIMITED - U27100DL2011PTC217316 |
| 1984 | NAMO SIDHI INTERNATIONAL LIMITED - U27208DL1983PLC016364 |
| 1985 | NANAK STEELS PRIVATE LIMITED - U27109DL2004PTC123878 |
| 1986 | NAND LAL ALUMINIUM PRIVATE LIMITED - U27203DL2005PTC136561 |
| 1987 | NANDGAON ALLOYS PRIVATE LIMITED - U27310DL2007PTC171439 |
| 1988 | NANDI ISPAT LIMITED - U27310DL2008PLC180875 |
| 1989 | NANGAL STEELS LTD - U27109DL1973PLC006580 |
| 1990 | NAPIN IMPEX PRIVATE LIMITED - U27106DL2004PTC129665 |
| 1991 | NARAIN JEWELS INTENATIONAL LIMITED - U27205DL1990PLC041791 |
| 1992 | NARAIN SPUNG IRON AND ISPAT PRIVATE LIMITED - U27104DL2001PTC113282 |
| 1993 | NARESH STEELS AND ALLOY PRIVATE LIMITED - U27107DL1994PTC061932 |
| 1994 | NARK ALLOYS PRIVATE LIMITED - U27106DL2005PTC134259 |
| 1995 | NARVANA STEEL UDYOG PRIVATE LIMITED - U27106DL2004PTC129281 |
| 1996 | NASCENCE EXIM PRIVATE LIMITED - U27205DL2011PTC212072 |
| 1997 | NATH ENGINEERS PRIVATE LTD. - U27200DL1985PTC022030 |
| 1998 | NATH TUBES PRIVATE LIMITED - U27109DL1986PTC026463 |
| 1999 | NATRAJ ELECTRONICS & ALLOYS PRIVATE LIMITED - U27100DL1974PTC007338 |
| 2000 | NATRAJ HEAVY RIMS AND ROLLING MILLS PRIV ATE LTD. - U27100DL1985PTC021047 |