| 451 | GYAN ALLOYS PRIVATE LIMITED - U27101UP1996PTC020436 |
| 452 | H A STRUCTURE PRIVATE LIMITED - U27100UP2010PTC041565 |
| 453 | H M ISPAT PRIVATE LIMITED - U27310UP2008PTC036238 |
| 454 | H.D. CASTINGS PRIVIATE LIMITED - U27310UP2007PTC034007 |
| 455 | H.P. STEEL ROLLING MILLS PRIVATE LIMITED - U27101UP1992PTC014433 |
| 456 | H.R.WIRES(INDIA)PRIVATE LIMITED - U27101UP1992PTC014545 |
| 457 | H.S.I. CASTING PVT. LIMITED - U27104UP1999PTC024397 |
| 458 | H.V. STEELS PRIVATE LIMITED - U27102UP2005PTC030960 |
| 459 | HADI IMPEXINFRA PRIVATE LIMITED - U27320UP2018PTC103354 |
| 460 | HAIDAR STEEL ENGINEERS PRIVATE LIMITED - U27106UP1986PTC007908 |
| 461 | HAMIRPUR ALLOYSPRIVATE LIMITED - U27310UP1989PTC011368 |
| 462 | HAMZA STEELS PRIVATE LIMITED - U27310UP2012PTC050833 |
| 463 | HARAKH CHAND GLASS PRIVATE LIMITED - U27310UP2007PTC034251 |
| 464 | HARDOI CASTINGS PRIVATE LIMITED - U27320UP1991PTC013403 |
| 465 | HARDWAR STEELS PRIVATE LIMITED - U27101UP1990PTC012201 |
| 466 | HARI KRISHAN COATED SHEETS LIMITED - U27109UP1985PLC007271 |
| 467 | HARI OM STEEL PRIVATE LIMITED - U27101UP1995PTC018396 |
| 468 | HARI PRASAD GOPI KRISHNA SARAF PRIVATE LIMITED - U27205UP2007PTC033032 |
| 469 | HARI VIDYA TRADING PRIVATE LIMITED - U27109UP2007PTC032803 |
| 470 | HARIOM ISPAT AND ALLOYS PRIVATE LIMITED - U27107UP1999PTC024419 |
| 471 | HARISH INDUSTRIES PRIVATE LIMITED - U27203UP1989PTC011073 |
| 472 | HARNARAYAN METAL PRIVATE LIMITED - U27109UP2007PTC033323 |
| 473 | HARSAULI STEELS PRIVATE LIMITED - U27310UP2012PTC052523 |
| 474 | HARSHIT ALLOYSTECH (INDIA) PRIVATE LIMITED. - U27100UP2008PTC034811 |
| 475 | HARSIL HYDRO LIMITED - U27103UP1994PLC016585 |