| 2001 | NAUHRIAA AND GARG STEEL WIRES PRIVATE LI MITED - U27101DL1994PTC056728 |
| 2002 | NAV BHARAT STEELS PRIVATE LTD - U27300DL1972PTC006201 |
| 2003 | NAV JYOTI STEEL FABRICATORS PRIVATE LIMI TED - U27106DL2005PTC136772 |
| 2004 | NAVIGATOR STEEL AND ALLOYS PRIVATE LIMIT ED - U27101DL2011PTC216357 |
| 2005 | NAVIN ALLOYS LIMITED - U27106DL1980PLC011147 |
| 2006 | NAVIS ENGINEERING PRIVATE LIMITED - U27310DL2006PTC150863 |
| 2007 | NAVNIT IRON AND STEEL PRIVATE LIMITED - U27101DL2004PTC129369 |
| 2008 | NAVRATAN PIPE AND PROFILE LIMITED - U27106DL2005PLC138856 |
| 2009 | NAVS STEELS PVT LTD - U27310DL2005PTC142679 |
| 2010 | NAYAR ALLOYS PRIVATE LIMITED - U27106DL2006PTC146359 |
| 2011 | NAYAR ISPAT PRIVATE LIMITED - U27101DL2005PTC140393 |
| 2012 | NAYAR METALS PRIVATE LIMITED - U27106DL2005PTC140375 |
| 2013 | NAYAR SUPER STEELS PRIVATE LIMITED - U27106DL2006PTC146358 |
| 2014 | NAYAR TOOL STEELS PRIVATE LIMITED - U27106DL2006PTC146378 |
| 2015 | NCK STEEL FABRICATION PRIVATE LIMITED - U27106DL2005PTC135802 |
| 2016 | NECCO ALLOY STEELS PRIVATE LIMITED - U27109DL1991PTC045658 |
| 2017 | NECO TUBES PRIVATE LIMITED - U27100DL1996PTC080320 |
| 2018 | NEEL KANTH CASTING LTD - U27109DL1985PLC021772 |
| 2019 | NEELAM FURNACES PVT. LTD - U27101DL2006PTC149358 |
| 2020 | NEELANCHAL SHELTERS PRIVATE LIMITED - U27101DL1988PTC285878 |
| 2021 | NEELANCHAL STEELS PRIVATE LIMITED - U27106DL1992PTC049525 |
| 2022 | NEELKANTH ISPAT UDHYOG PRIVATE LIMITED - U27109DL2003PTC121457 |
| 2023 | NEELKANTH ISPATCONS PRIVATE LIMITED - U27109DL1997PTC086172 |
| 2024 | NEELKANTH WHOLESALE & RETAIL PRIVATE LIMITED - U27108DL2003PTC120755 |
| 2025 | NEELMANI ALLOYS & CASTING PRIVATE LIMITED - U27100DL2010PTC201305 |