| 51 | ADITYA TOOLS PVT LTD - U29130WB1985PTC038725 |
| 52 | ADITYA VARNA PVT LTD - U29219WB1978PTC031385 |
| 53 | ADROIT ENGINEERING PVT LTD - U29120WB1987PTC042269 |
| 54 | ADVANCE CRYOSEP PROJECTS PRIVATE LIMITED - U29253WB2013PTC197285 |
| 55 | ADVANCED SYSTEMS SAMPLING PRIVATE LIMITED - U29130WB2000PTC091463 |
| 56 | AEGIS PRECISION ENGINEERINGS PRIVATE LIMITED - U29248WB2011PTC167014 |
| 57 | AEICORP PRIVATE LIMITED - U29244WB1962PTC025460 |
| 58 | AEROMOBIX SYSTEMS PRIVATE LIMITED - U29309WB2018PTC224817 |
| 59 | AGL ENGINEERING INDUSTRIES PRIVATE LIMITED - U29219WB1989PTC047123 |
| 60 | AGRIMP PVT LTD - U29246WB1961PTC025319 |
| 61 | AGRO BASED INDUSTRIES LTD - U29212WB1970PLC027653 |
| 62 | AGRO STEELMECH PVT LTD - U29211WB1984PTC037642 |
| 63 | AHMED TANNERY PRIVATE LIMITED - U29113WB2002PTC094236 |
| 64 | AHUJA & COMPANY (DIECASTING) PVT LTD - U29244WB1967PTC027087 |
| 65 | AIC AGRO INSTRUMENTS PVT LTD - U29211WB1987PTC042471 |
| 66 | AIM TRACKER SERVICES PRIVATE LIMITED - U29253WB2014PTC204489 |
| 67 | AIR COMPRESSOR AND PNEUMATIC TOOLS (INDI A) PVT. .LTD. - U29130WB1975PTC030300 |
| 68 | AIR FILTER INDUSTRIES PRIVATE LIMITED - U29197WB1997PTC083289 |
| 69 | AIR TECHNICO (INDIA) PVT LTD - U29299WB1984PTC038233 |
| 70 | AIR TOOL ACCESSORIES PVT LTD - U29299WB1963PTC025861 |
| 71 | AIR-Q-CONTROL ENGINEERS PRIVATE LIMITED - U29130WB2010PTC142135 |
| 72 | AIRCON SYSTEM ENGINEERS PRIVATE LIMITED - U29192WB2007PTC117711 |
| 73 | AIRCOOL FANS PVT LTD - U29303WB1980PTC032839 |
| 74 | AIRSTREAM ENGINEERS & EQUIPMENT PVT LTD - U29191WB1996PTC078975 |
| 75 | AJ JUTE ENGINEERING PRIVATE LIMITED - U29253WB2013PTC191523 |