| 551 | BIO MICRONS LABORATORIES PRIVATE LIMITED - U24239WB2002PTC095414 |
| 552 | BIO SPECIALITY ASSAY LAB PRIVATE LIMITED - U24232WB1987PTC042644 |
| 553 | BIO-CAPS INDIA LIMITED - U24239WB2003PLC095890 |
| 554 | BIO-DRUG LABORATORIES PVT LTD - U24232WB1958PTC023700 |
| 555 | BIO-MEDICA (INDIA) PVT. LTD. - U24231WB1986PTC040888 |
| 556 | BIOGENLIFE NUTRIHUB (OPC) PRIVATE LIMITED - U24290WB2018OPC225305 |
| 557 | BIOMARS CHEMICALS PRIVATE LIMITED - U24304WB2016PTC218421 |
| 558 | BIORESEARCH LABORATORIES PVT LTD - U24232WB1986PTC040919 |
| 559 | BIOSOL LABORATORIES PRIVATE LIMITED - U24234WB2005PTC106821 |
| 560 | BIOSTART PRODUCTS PRIVATE LIMITED - U24246WB2003PTC097256 |
| 561 | BIRBHUM BONE MILL PVT LTD - U24129WB1980PTC033003 |
| 562 | BISCO DYES & CHEMICALS PVT LTD - U24119WB1986PTC040117 |
| 563 | BISHAHARI CHEMICAL WORKS PVT LTD - U24232WB1960PTC024738 |
| 564 | BISHNUPUR POLY-OLEFINS PVT LTD - U24117WB1990PTC049840 |
| 565 | BISHU NURSERY & LASCO MEDICARE PRIVATE LIMITED - U24211WB1976PTC030660 |
| 566 | BISNU CHEM (INDIA) PVT LTD - U24121WB1974PTC029473 |
| 567 | BITUCHEM LAYER PVT. LTD. - U24119WB1991PTC052210 |
| 568 | BJN PAINTS INDIA LIMITED - U24100WB2012PLC189385 |
| 569 | BKB PHARMA-CHEM PRIVATE LIMITED - U24233WB2007PTC115835 |
| 570 | BLACK DIAMOND EXPLOSIVES PRIVATE LIMITED - U24100WB1988PTC044042 |
| 571 | BLACK DIAMOND FILMS PVT.LTD. - U24294WB1984PTC037626 |
| 572 | BLESSING PHARMACEUTICALS PVT. LTD. - U24230WB1993PTC058114 |
| 573 | BLOOM FOOD ADDITIVES PRIVATE LIMITED - U24222WB1996PTC078663 |
| 574 | BLOSSOM POLYMERS PRIVATE LIMITED - U24134WB2003PTC096296 |
| 575 | BLOWCON INDIA PVT.LTD. - U24233WB1991PTC051862 |