| B Daulat Limited | ICC | बेस | Kolkata |
| B Gopiram & Co. Private Limited | ICC | बेस | Kolkata |
| B K C Securities & Share Private Limited | ICC | बेस | Kolkata |
| B P C Tradecom Private Limited | ICC | बेस | Kolkata |
| B S Advances Private Limited | ICC | बेस | Kolkata |
| B S J Financial Services Private Limited | ICC | बेस | Kolkata |
| B S R Finance & Constructions Limited | ICC | बेस | Kolkata |
| B. T. Investments Private Limited | ICC | बेस | Kolkata |
| B.S. Holdings & Trading Limited | ICC | बेस | Kolkata |
| Baba Basuki Distributors Private Limited | ICC | बेस | Kolkata |
| Baba Commercial & Finvest Private Limited | ICC | बेस | Kolkata |
| Babul Fiscal Services Private Limited | ICC | बेस | Kolkata |
| Babylon Trading & Investment Private Limited | ICC | बेस | Kolkata |
| Bacchhat Investment & Finance Limited | ICC | बेस | Kolkata |
| Bachchi Finance Private Limited | ICC | बेस | Kolkata |
| Backbone Sales Private Limited | ICC | बेस | Kolkata |
| Badal Commotrade Private Limited | ICC | बेस | Kolkata |
| Badridas Investment Co Limited | ICC | बेस | Kolkata |
| Bagamber Dealers Private Limited | ICC | बेस | Kolkata |
| Bagaria Finance Limited | ICC | बेस | Kolkata |
| Baglas Traders Private Limited | ICC | बेस | Kolkata |
| Bagmane Traders Private Limited | ICC | बेस | Kolkata |
| Bahar Merchants Private Limited | ICC | बेस | Kolkata |
| Bahar Suppliers Private Limited | ICC | बेस | Kolkata |
| Bahubali Properties Limited | ICC | बेस | Kolkata |
| Baid Fincom Private Limited | ICC | बेस | Kolkata |
| Baid Finex Services Private Limited | ICC | बेस | Kolkata |
| Baid Global Finance Private Limited | ICC | बेस | Kolkata |
| Baid Holdings Private Limited | ICC | बेस | Kolkata |
| Baid Mercantiles Limited | ICC | बेस | Kolkata |
| Baid Merchants Private Limited | ICC | बेस | Kolkata |
| Baid Trade Fina Private Limited | ICC | बेस | Kolkata |
| Baid Vyapaar Private Limited | ICC | बेस | Kolkata |
| Baidyanath Finance & Leasing Private Limited | ICC | बेस | Kolkata |
| Bairavi Vincom Private Limited | ICC | बेस | Kolkata |
| Bajoria Distributors Private Limited | ICC | बेस | Kolkata |
| Bajoria Enterprises Limited | Type I | बेस | Kolkata |
| Bajoria Finance Private Limited | ICC | बेस | Kolkata |
| Bajoria Financial Services Private Limited | ICC | बेस | Kolkata |
| Bajoria Properties Private Limited | ICC | बेस | Kolkata |
| Bakliwal Fincom Private Limited | ICC | बेस | Kolkata |
| Bakliwal Finvest Private Limited | ICC | बेस | Kolkata |
| Bakliwal Holdings Private Limited | ICC | बेस | Kolkata |
| Bakshiram Uderam Holdings Private Limited | ICC | बेस | Kolkata |
| Balaji Management Services P Limited | ICC | बेस | Kolkata |
| Balaji Niketan Private Limited | ICC | बेस | Kolkata |
| Balasaria Holdings Private Limited (Name as per MCA - BRBS Holdings Private Limited) | ICC | बेस | Kolkata |
| Balasaria Trading Co Private Limited | ICC | बेस | Kolkata |
| Balgopal Adcon Private Limited | ICC | बेस | Kolkata |
| Balkrishna Finance Private Limited | ICC | बेस | Kolkata |
| Bamalwa Finance Private Limited | ICC | बेस | Kolkata |
| Banani Trading Private Limited | ICC | बेस | Kolkata |
| Bandhan Financial Holdings Limited | NOFHC | बेस | Kolkata |
| Bandhan Financial Services Limited | CIC | मिडिल | Kolkata |
| Bangani Mercantiles P Limited | ICC | बेस | Kolkata |
| Banggreen Vyapaar Private Limited | ICC | बेस | Kolkata |
| Bangtesh Enterprises Private Limited | ICC | मिडिल | Kolkata |
| Bangur Trafin Private Limited | ICC | बेस | Kolkata |
| Banka Enterprises Private Limited | ICC | बेस | Kolkata |
| Banshidhar Vyapaar Private Limited | ICC | बेस | Kolkata |
| Barclay Vinimay P Limited | ICC | बेस | Kolkata |
| Baroda Agents & Trading Co Private Limited | Type I | बेस | Kolkata |
| Baron Consultants Private Limited | ICC | बेस | Kolkata |
| Basant Properties Limited | ICC | मिडिल | Kolkata |
| Basudev Advisory Services Private Limited | ICC | बेस | Kolkata |
| Basudev Trading Co Private Limited | ICC | बेस | Kolkata |
| Batabari Investments Limited | ICC | बेस | Kolkata |
| Batlivala & Karani Capital Private Limited | ICC | बेस | Kolkata |
| Baviscon Suppliers Private Limited | ICC | बेस | Kolkata |
| Bawa Hire Purchase Private Limited | ICC | बेस | Kolkata |
| Bcco Niket Private Limited | ICC | बेस | Kolkata |
| Bearbull Commodities Private Limited | ICC | बेस | Kolkata |
| Bearbull Distributors Private Limited | ICC | बेस | Kolkata |
| Beaulah Enterprises Private Limited | ICC | बेस | Kolkata |
| Bedant Commerce Private Limited | ICC | बेस | Kolkata |
| Bee Kay Tarfab Udyog Private Limited | ICC | बेस | Kolkata |
| Bee Pee Jay Finance Limited | ICC | बेस | Kolkata |
| Beejay Investment & Financial Consultant Private Limited | ICC | बेस | Kolkata |
| Beekay Fintech Limited | ICC | बेस | Kolkata |
| Beharilal Jain & Sons Private Limited | ICC | बेस | Kolkata |
| Belfast Holdings Private Limited | ICC | बेस | Kolkata |
| Bellflower Finance Private Limited | ICC | बेस | Kolkata |
| Bellona Stationery Private Limited | ICC | बेस | Kolkata |
| Beltas Merchant Private Limited | ICC | बेस | Kolkata |
| Bengal & Assam Company Limited | CIC | मिडिल | Kolkata |
| Bengal Credit Corporation Private Limited | ICC | बेस | Kolkata |
| Bengal Enterprises Private Limited | ICC | बेस | Kolkata |
| Bengal Rubber Company Limited | Type I | बेस | Kolkata |
| Benko Traders Private Limited | ICC | बेस | Kolkata |
| Bentex Fin Private Limited | ICC | बेस | Kolkata |
| Bentron Commodities Private Limited | ICC | बेस | Kolkata |
| Benzer Scrips Private Limited | ICC | बेस | Kolkata |
| Benzmark Credit Capital Private Limited | ICC | बेस | Kolkata |
| Berhampore Finance And Leasing Private Limited | ICC | बेस | Kolkata |
| Best Advisory Private Limited | ICC | बेस | Kolkata |
| Bestluck Securities Private Limited | ICC | बेस | Kolkata |
| Better Choice Trexim Private Limited | ICC | बेस | Kolkata |
| BGS Credit Private Limited | ICC | बेस | Kolkata |
| Bhabhera Tradelink Private Limited | ICC | बेस | Kolkata |
| Bhadani Financers Private Limited | ICC | बेस | Kolkata |
| Bhadani Finances Corporation Limited | ICC | बेस | Kolkata |
| Bhadawar Leasing & Finance Co Private Limited | ICC | बेस | Kolkata |
| Bhagat Agencies Private Limited | ICC | बेस | Kolkata |
| Bhagat Refinerers & Chemicals Limited | ICC | बेस | Kolkata |
| Bhagchandka Exports Limited | ICC | बेस | Kolkata |
| Bhaggyalakshmi Mercantile Private Limited | ICC | बेस | Kolkata |
| Bhagwant Merchants Private Limited | ICC | बेस | Kolkata |
| Bhagwat Kripa Trading Private Limited | ICC | बेस | Kolkata |
| Bhagwati Capital Markets Private Limited | ICC | बेस | Kolkata |
| Bhagwati Cloth Agency Private Limited | ICC | बेस | Kolkata |
| Bhagwati Exim Private Limited | ICC | बेस | Kolkata |
| Bhagwati India Limited | ICC | बेस | Kolkata |
| Bhagwati Mercantiles Private Limited | ICC | बेस | Kolkata |
| Bhagwati Securities Private Limited | ICC | बेस | Kolkata |
| Bhagwati Translink Private Limited | ICC | बेस | Kolkata |
| Bhandari & Asopa (India) Private Limited | ICC | बेस | Kolkata |
| Bhansali Fincom Private Limited | ICC | बेस | Kolkata |
| Bharat Trade & Finance Private Limited | ICC | बेस | Kolkata |
| Bharosa Distributors Private Limited | ICC | बेस | Kolkata |
| Bhartia Sons Limited | ICC | बेस | Kolkata |
| Bharuwa Financial Services Private Limited | ICC | बेस | Kolkata |
| Bhaskar Chemicals & Industries Private Limited | ICC | बेस | Kolkata |
| Bhaskar Vanijya Private Limited | ICC | बेस | Kolkata |
| Bhauwala Consultancy Private Limited | ICC | बेस | Kolkata |
| Bhavana Finance Private Limited | ICC | बेस | Kolkata |
| Bhavna Vinimay Private Limited | ICC | बेस | Kolkata |
| Bhavsagar Vinimay Private Limited | ICC | बेस | Kolkata |
| Bhavsagar Vyapaar Private Limited | ICC | बेस | Kolkata |
| Bhiksu Barter Private Limited | ICC | बेस | Kolkata |
| Bhillai Holdings Private Limited | ICC | बेस | Kolkata |
| Bhima Shankar Holdings Private Limited | ICC | बेस | Kolkata |
| Bhinaswar Commercial Private Limited | ICC | बेस | Kolkata |
| Bhiragacha Finance Co Private Limited | ICC | बेस | Kolkata |
| Bhole Baba Traders Private Limited | ICC | बेस | Kolkata |
| Bhomiya Suppliers Private Limited (Name as per MCA - Regent Finance Corporation Private Limited) | ICC | बेस | Kolkata |
| Bhomiya Vyapaar Private Limited | ICC | बेस | Kolkata |
| Bhoruka Investment Limited | ICC | बेस | Kolkata |
| Bhubnesh Commercial Private Limited | ICC | बेस | Kolkata |
| Bhushan Capitals Limited | ICC | बेस | Kolkata |
| Bhutnath Vanijya Vyapaar Private Limited | ICC | बेस | Kolkata |
| Bhutoria Electricals Private Limited | ICC | बेस | Kolkata |
| Bhutoria Investments Private Limited | ICC | बेस | Kolkata |
| Bhutoria Valve Udyog Limited | ICC | बेस | Kolkata |
| Bhuvan Enterprises Private Limited | ICC | बेस | Kolkata |
| Bhuwania Brothers Private Limited | ICC | बेस | Kolkata |
| Bichitra Holdings Private Limited | Type I | बेस | Kolkata |
| Bihariji Commercials Limited | ICC | बेस | Kolkata |
| Bihariji Constructions (India) Limited | ICC | बेस | Kolkata |
| Bimal Kumar Bijay Kumar Private Limited | ICC | बेस | Kolkata |
| Binapani Traders Private Limited | ICC | बेस | Kolkata |
| Bindal Finvest Private Limited | ICC | बेस | Kolkata |
| Bindal Mercantile Private Limited | ICC | बेस | Kolkata |
| Bindawala Banijya Limited | ICC | बेस | Kolkata |
| Binod Resources Private Limited | ICC | बेस | Kolkata |
| Biosphere Vanijya Private Limited | ICC | बेस | Kolkata |
| Bipin Industrial Development Limited | ICC | बेस | Kolkata |
| Bircort Textile Private Limited | ICC | बेस | Kolkata |
| Birla Brothers Private Limited | ICC | मिडिल | Kolkata |
| Birla Financial Corporation Limited | Type I | बेस | Kolkata |
| Birla Holdings Limited. | ICC | बेस | Kolkata |
| Birmecha Securities Private Limited | ICC | बेस | Kolkata |
| Bismarak Exim Private Limited | ICC | बेस | Kolkata |
| Biswahari Finvest Private Limited | ICC | बेस | Kolkata |
| BKG Management Services Private Limited | ICC | बेस | Kolkata |
| Black Pearl Enterprises Private Limited | ICC | बेस | Kolkata |
| Black Pool Coal Private Limited | ICC | बेस | Kolkata |
| Blackpool Vinimay Private Limited | ICC | बेस | Kolkata |
| BLB Cables & Conductors Private Limited | ICC | बेस | Kolkata |
| BLB Stocks Private Limited | ICC | बेस | Kolkata |
| Bleweet Finvest Private Limited | ICC | बेस | Kolkata |
| Bloom Dealers Private Limited | ICC | बेस | Kolkata |
| Blue Bird Mercantiles Private Limited | ICC | बेस | Kolkata |
| Blue Chip Financial Consultants Private Limited | ICC | बेस | Kolkata |
| Blue Circle Enterprises Private Limited | ICC | बेस | Kolkata |
| Blue Diamond Constructions Limited | ICC | बेस | Kolkata |
| Blue River Commodeal Private Limited | ICC | बेस | Kolkata |
| Bluebell Traders Private Limited | ICC | बेस | Kolkata |
| Bluest Goods & Service Private Limited | ICC | बेस | Kolkata |
| Blupex Vyapar Private Limited | ICC | बेस | Kolkata |
| BMW Fin-Invest Private Limited | ICC | बेस | Kolkata |
| Bna Commerce Private Limited | ICC | बेस | Kolkata |
| Boast Commercial Private Limited | ICC | बेस | Kolkata |
| Bonanza Trading Company Private Limited | ICC | बेस | Kolkata |
| Bonn Suppliers Private Limited | ICC | बेस | Kolkata |
| Boon Valley Financial Consultants Private Limited | ICC | बेस | Kolkata |
| Bortex Agro Private Limited | ICC | बेस | Kolkata |
| Bortex Tracom Private Limited | ICC | मिडिल | Kolkata |
| Bossom Marketing Private Limited | ICC | बेस | Kolkata |
| Bounty Trading & Investments Limited | ICC | बेस | Kolkata |
| BPJ Shares And Securities Private Limited | Type I | बेस | Kolkata |
| BQR Investment & Credit Co. Limited | ICC | बेस | Kolkata |
| Brabourne Commerce Private Limited | ICC | बेस | Kolkata |
| Brabourne Holdings Private Limited | ICC | मिडिल | Kolkata |
| Brahmanand Himghar Limited | ICC | बेस | Kolkata |
| Brain Business Private Limited | ICC | बेस | Kolkata |
| Breeje Barter Private Limited | ICC | बेस | Kolkata |
| Bright Finance Private Limited | ICC | बेस | Kolkata |
| Bright Moon Supply Private Limited | ICC | बेस | Kolkata |
| Brightsun Travin Private Limited | ICC | बेस | Kolkata |
| Brij Investments Private Limited | ICC | बेस | Kolkata |
| Brijdham Merchants Private Limited | ICC | बेस | Kolkata |
| Brilliant Credit & Finance Private Limited | ICC | बेस | Kolkata |
| Brite Asbestos & Engineering Private Limited | ICC | बेस | Kolkata |
| Brothers Trading Private Limited | ICC | बेस | Kolkata |
| Bsa Finance & Industries Private Limited | ICC | बेस | Kolkata |
| BT Finance Private Limited | ICC | बेस | Kolkata |
| BTC Finance Limited | ICC | बेस | Kolkata |
| Bubna Financial Services Private Limited | ICC | बेस | Kolkata |
| Bubna Investment Private Limited | ICC | बेस | Kolkata |
| Budapest Traders Private Limited | ICC | बेस | Kolkata |
| Budge Budge Carbon Limited | ICC | बेस | Kolkata |
| Budhiya Agencies Private Limited | ICC | बेस | Kolkata |
| Budhiya Commercial Private Limited | ICC | बेस | Kolkata |
| Builcon Financial Services Private Limited | ICC | बेस | Kolkata |
| Bulk Trade Private Limited | ICC | बेस | Kolkata |
| Bunty Investment Private Limited | ICC | बेस | Kolkata |
| Burlington Barter Private Limited | ICC | बेस | Kolkata |
| Burlington Finance Limited | ICC | बेस | Kolkata |