| 251 | LOKNATH MINERALS CO PVT LTD - U14210WB1973PTC028863 |
| 252 | LUKSOM MINES AND MINERALS PRIVATE LIMITED - U14220WB2013PTC198147 |
| 253 | LUMINO INDUSTRIES LIMITED - U14293WB2005PLC102556 |
| 254 | M AIKATH CHINA CLAY MINES PVT LTD - U14108WB1985PTC039087 |
| 255 | M B MINERALS INDUSTRIES PVT LTD - U14108WB1981PTC033952 |
| 256 | M L AGARWALA & CO PVT LTD - U14106WB1941PTC010671 |
| 257 | M P MARBLE PVT LTD - U14101WB1987PTC043096 |
| 258 | M.G. MINING COMPANY PRIVATE LIMITED - U14109WB2002PTC094330 |
| 259 | MAA KALI STONEX PRIVATE LIMITED - U14293WB2012PTC189032 |
| 260 | MAA-DEE'S MARBLE & GRANITE PRIVATE LIMITED - U14292WB2007PTC113168 |
| 261 | MADGUL MINERALS PVT LTD - U14107WB1987PTC042847 |
| 262 | MAGNUS MINERALS LIMITED - U14219WB2000PLC092595 |
| 263 | MAHADEVI COAL COMPANY PRIVATE LIMITED - U14292WB2000PTC091783 |
| 264 | MAHESH VINIMAY PRIVATE LIMITED - U14200WB2008PTC126198 |
| 265 | MAHESHA MINERALS PRIVATE LIMITED - U14200WB2012PTC185029 |
| 266 | MAHESHWARI ENTERPRISES INDIA PRIVATE LIMITED - U14293WB2006PTC111036 |
| 267 | MAHESHWARI MINING PRIVATE LIMITED - U14294WB1994PTC062325 |
| 268 | MAITY SALTS & INDUSTRIES PVT LTD - U14222WB1958PTC023720 |
| 269 | MAJEE IRON & MINERALS PRIVATE LIMITED - U14200WB2009PTC133268 |
| 270 | MAKRANA MARBLES (INDIA) PVT LTD. - U14101WB1992PTC055809 |
| 271 | MANBHUM CRUSHES PRIVATE LIMITED - U14299WB2017PTC218920 |
| 272 | MANDU INDUSTRIES LIMITED - U14102WB2002PLC094350 |
| 273 | MANGAL GRANITES PRIVATE LIMITED - U14200WB2011PTC160170 |
| 274 | MANGAL MURTI MINERALS PRIVATE LIMITED - U14298WB2010PTC145246 |
| 275 | MANGALAM GOURI MINES & MINERALS PRIVATE LIMITED - U14200WB2011PTC164342 |