| 301 | KALINGANAGAR SPECIAL STEEL PRIVATE LIMITED - U27100OR2013PTC016907 |
| 302 | KALPATARU STEEL PRIVATE LIMITED - U27102OR2004PTC007766 |
| 303 | KAMDHENU MINERALS PRIVATE LIMITED - U27103OR2005PTC008180 |
| 304 | KAMLESHWAR CASTING LIMITED - U27109OR2002PLC006931 |
| 305 | KAMYAB OVERSEAS PRIVATE LIMITED - U27103OR2007PTC009122 |
| 306 | KANOI STEELS PRIVATE LIMITED - U27106OR2008PTC009897 |
| 307 | KARTAR ISPAT LIMITED - U27102OR2001PLC006640 |
| 308 | KAUSHAL FERRO METALS PRIVATE LIMITED - U27310OR2004PTC007894 |
| 309 | KAY VEE AAR LIMITED - U27100OR1988PLC002020 |
| 310 | KBC FERRO ALLOYS PRIVATE LIMITED - U27100OR2010PTC012297 |
| 311 | KCP IRON PRIVATE LIMITED - U27310OR2005PTC008433 |
| 312 | KCP MINES PRIVATE LIMITED - U27101OR1995PTC003840 |
| 313 | KENSUN IRON AND STEEL COMPANY PRIVATE LIMITED - U27100OR2009PTC011249 |
| 314 | KESHAV ENTERPRISES PRIVATE LIMITED - U27102OR2005PTC007978 |
| 315 | KESHAV FERRO ALLOYS PRIVATE LIMITED - U27102OR2004PTC007853 |
| 316 | KESHAV MULTIMETALS PRIVATE LIMITED - U27100OR2008PTC010234 |
| 317 | KESHAV TECHNOLOGIES PRIVATE LIMITED - U27100OR2010PTC012441 |
| 318 | KHATUSHYAMJEE MINERALS PRIVATE LIMITED - U27102OR2003PTC010725 |
| 319 | KHEDARIA ISPAT LIMITED - U27104OR2002PLC006908 |
| 320 | KHURDA METAL INDUSTRIES LTD - U27109OR1962PLC000441 |
| 321 | KICHEKESWERI STEEL & MINES PVT LTD - U27106OR2006PTC008954 |
| 322 | KJ ISPAT LIMITED - U27102OR2003PLC007093 |
| 323 | KJS PELLETS & POWER PRIVATE LIMITED - U27100OR2011PTC013504 |
| 324 | KOBA METALS & MANUFACTURING PRIVATE LIMITED - U27310OR2007PTC009635 |
| 325 | KOIRA ORES PRIVATE LIMITED - U27102OR2003PTC007325 |