| 226 | KALYANI MINE PRODUCTS PRIVATE LIMITED - U14200WB2010PTC151007 |
| 227 | KAMAKHA MARBEL PRIVATE LIMITED - U14220WB2015PTC207587 |
| 228 | KANCHANJUNGHA CEMENT COMPANY PRIVATE LIMITED - U14295WB2009PTC136613 |
| 229 | KARANPURA MINING SYNDICATE PVT LTD - U14200WB1957PTC023398 |
| 230 | KARIATARI MICA MINING CO LTD - U14293WB1956PLC023223 |
| 231 | KARNATAKA QUARRIES PRIVATE LIMITED - U14200WB1987PTC104778 |
| 232 | KASHMIR GYPSUM LTD - U14219WB1990PLC048765 |
| 233 | KAWATCH MINES & MINERALS PRIVATE LIMITED - U14200WB2011PTC163625 |
| 234 | KEDARNATH RAMGOPAL PVT LTD - U14293WB1984PTC037091 |
| 235 | KHAKODEB MICA MINING CO PVT LTD - U14293WB1956PTC023226 |
| 236 | KHARSAWAN REFRACTORIES & MINERALS PVT LT D - U14297WB1972PTC028438 |
| 237 | KHAS GOVINDPUR COAL CO PVT LTD - U14299WB1954PTC021786 |
| 238 | KHEMKA MINERALS PRIVATE LIMITED - U14200WB2009PTC133059 |
| 239 | KING MINES & MINERALS PRIVATE LIMITED - U14290WB2010PTC153253 |
| 240 | KISHANGANJ JUTE MILLS LIMITED - U14100WB2003PLC096624 |
| 241 | KITHANIA PLANTATION PVT LTD - U14109WB2006PTC108880 |
| 242 | KRISHNABALA MINING RESOURCES PRIVATE LIMITED - U14200WB2008PTC126298 |
| 243 | KUJU COLLIERIES PVT LTD - U14299WB1961PTC024942 |
| 244 | KYANITE MINING (INDIA) PRIVATE LIMITED - U14219WB2007PTC120920 |
| 245 | LAKSHMI INTEROCK PRIVATE LIMITED - U14101WB1998PTC087644 |
| 246 | LASER ELECTRICAL INDUSTRIES PRIVATE LIMITED - U14200WB1997PTC085933 |
| 247 | LASER POWER & INFRA PRIVATE LIMITED - U14220WB1988PTC043591 |
| 248 | LAXMI DYKE PVT LTD. - U14101WB1989PTC046020 |
| 249 | LAXMIPUTRA MINING PRIVATE LIMITED - U14200WB2012PTC185091 |
| 250 | LOKENATH SAND SUPPLIER PRIVATE LIMITED - U14296WB2018PTC224733 |