| 501 | MAGO CONSTRUCTION PRIVATE LIMITED - U29248UP1984PTC006594 |
| 502 | MAHAJAGDAMBA TUBES PRIVATE LIMITED - U29253UP1996PTC020895 |
| 503 | MAHAKALI ELECTRICAL PRIVATE LIMITED - U29303UP1993PTC015517 |
| 504 | MAHALAKSHMI FERTILIZERS PRIVATE LIMITED - U29211UP1981PTC005230 |
| 505 | MAHARAJA SPARES PRIVATE LIMITED - U29214UP1990PTC011643 |
| 506 | MAHAVIR DEEPWELL PRIVATE LIMITED - U29253UP2010PTC039310 |
| 507 | MAHENDRA MACHINE MANUFACTURERS PRIVATE LIMITED - U29212UP2003PTC028080 |
| 508 | MAHESHWARI CYCLE PARTS PRIVATE LIMITED - U29120UP1991PTC013461 |
| 509 | MAIDEN AUTONETICS PRIVATE LIMITED - U29309UP2017PTC095485 |
| 510 | MALIK LITEMATICS PRIVATE LIMITED - U29301UP1993PTC015153 |
| 511 | MANOM ENGINEERING PRIVATE LIMITED - U29254UP1996PTC019532 |
| 512 | MARKINS TECHNOLOGIES PRIVATE LIMITED - U29309UP2017PTC095699 |
| 513 | MARS ELECTRONICS AND ELECTRICALS PRIVATE LIMITED - U29308UP1987PTC008998 |
| 514 | MARS FARM EQUIPMENTS LIMITED - U29211UP2003PLC028167 |
| 515 | MARSH MEDICARE (INDIA) PRIVATE LIMITED - U29297UP1998PTC023744 |
| 516 | MARSHAL TRACTORS LIMITED - U29211UP2005PLC030177 |
| 517 | MARVEL AUTO COMPONENTS PRIVATE LIMITED - U29222UP1997PTC022444 |
| 518 | MASCOT GENSETS INDIA PRIVATE LIMITED - U29253UP2009PTC038628 |
| 519 | MASM HIGHTECH ENGINEERS PRIVATE LIMITED - U29308UP2017PTC090710 |
| 520 | MASS PRODUCTS (INDIA) PRIVATE LIMITED - U29309UP1948PTC001996 |
| 521 | MAULANA ENGINEERING PRIVATE LIMITED - U29211UP1999PTC024808 |
| 522 | MAVATA MACHINES PRIVATE LIMITED - U29309UP2017PTC099809 |
| 523 | MAXWELL GEARS PRIVATE LIMITED - U29248UP1999PTC024344 |
| 524 | MAYA MACHINERY PRIVATE LIMITED - U29261UP1992PTC014798 |
| 525 | MBSB ENTERPRISES PRIVATE LIMITED - U29309UP2017PTC092607 |