| 501 | HARSH SPRING CO PVT LTD - U28931WB1972PTC028253 |
| 502 | HARVATEX ENGINEERING & PROCESSING CO LTD - L28939WB1982PLC035023 |
| 503 | HASAN-TECHNO INDUSTRY PRIVATE LIMITED - U28999WB2017PTC219622 |
| 504 | HEAT CONTROL INDIA PRIVATE LIMITED - U28113WB1997PTC084614 |
| 505 | HEMKUNT (TOOLS) PVT LTD - U28951WB1979PTC031833 |
| 506 | HI-TECH INDUSTRIAL PLANTS PVT LTD - U28999WB1996PTC080503 |
| 507 | HI-TECH SAWS & STRIPS PVT LTD. - U28991WB1989PTC046930 |
| 508 | HIGH TECH COMPONENTS & FASTNERS PRIVATE LIMITED - U28991WB2002PTC094659 |
| 509 | HIND METALLIZING & FABRICATING CO PVT LT D - U28997WB1977PTC031107 |
| 510 | HINDUSTHAN COLLAPSIBLE GATE CO PVT LTD - U28939WB1953PTC021006 |
| 511 | HINDUSTHAN PARSONS LTD. - U28999WB1995PLC072335 |
| 512 | HIPACK SYSTEMS PRIVATE LIMITED - U28992WB1999PTC089806 |
| 513 | HITECH EQUIPMENTS PVT LTD - U28932WB1988PTC043639 |
| 514 | HOLDWELL COMPONENTS PRIVATE LIMITED - U28113WB1994PTC088743 |
| 515 | HOOGHLY FABRICS PRIVATE LIMITED - U28910WB2013PTC193343 |
| 516 | HOPE,S METAL INDUSTRIES INDIA LTD - U28111WB1958PLC023857 |
| 517 | HOPES ELECTRONICS LTD - U28113WB1986PLC040302 |
| 518 | HOPES MANUFACTURING CO PVT LTD - U28112WB1980PTC032876 |
| 519 | HOQUE MERCANTILE PRIVATE LIMITED - U28100WB2015PTC208011 |
| 520 | HOWRAH FOUNDRY WORKS PVT LTD - U28112WB2000PTC017823 |
| 521 | HOWRAH LOCK MFTG CO LTD - U28933WB1945PLC012666 |
| 522 | HOWRAH SOUTH ENGINEERING CO PVT LTD - U28920WB1956PTC023013 |
| 523 | HUGHLI AGRICULTURE & INDUSTRIES PVT LTD - U28920WB1942PTC010912 |
| 524 | I B INDUSTRIES LTD. - U28992WB1990PLC050469 |
| 525 | I.K.M. INDUSTRIES PRIVATE LIMITED - U28113WB2007PTC119316 |