| C P C Enterprises Private Limited | ICC | Base | Kolkata |
| C R L Finance & Investments Private Limited | ICC | Base | Kolkata |
| C R Vanijya Private Limited | ICC | Base | Kolkata |
| C S T Investment Private Limited | ICC | Base | Kolkata |
| C Surendra Trading & Investments Private Limited | ICC | Base | Kolkata |
| Calcom Consultancy Services Private Limited | ICC | Base | Kolkata |
| Calcutta Diagnostics Centre Private Limited | ICC | Base | Kolkata |
| Calcutta Fintrade Private Limited | ICC | Base | Kolkata |
| Calcutta Multimax Private Limited | ICC | Base | Kolkata |
| Calcutta Securities Private Limited | ICC | Base | Kolkata |
| Camay Securities Private Limited | ICC | Base | Kolkata |
| Cambridge Financial Services Private Limited | ICC | Base | Kolkata |
| Camino Trade & Investment Private Limited | ICC | Base | Kolkata |
| Camlin Tie - Up Private Limited | ICC | Base | Kolkata |
| Campbell Advertising Private Limited | ICC | Base | Kolkata |
| Campbell Stock & Securities Private Limited | ICC | Base | Kolkata |
| Canberra Traders Private Limited | ICC | Middle | Kolkata |
| Canton Properties Private Limited | ICC | Base | Kolkata |
| Cap Vanijya Private Limited (Name as per MCA - Khyati Infracon Private Limited) | ICC | Base | Kolkata |
| Capable Udyog Viniyojan Limited | ICC | Base | Kolkata |
| Capital Guard Investments Private Limited | Type I | Base | Kolkata |
| Capival Finserv Private Limited | ICC | Base | Kolkata |
| Caplin Marketing Private Limited | ICC | Base | Kolkata |
| Caplin Vinimay Private Limited | ICC | Base | Kolkata |
| Capseal Vyapaar Private Limited | ICC | Base | Kolkata |
| Caravan Corporate Management Private Limited | ICC | Base | Kolkata |
| Carbel Mercantiles Private Limited | ICC | Base | Kolkata |
| Carbon Finance Limited | ICC | Middle | Kolkata |
| Cardex India Private Limited | ICC | Base | Kolkata |
| Carnex Barter Private Limited | ICC | Base | Kolkata |
| Carnex Distributors P Limited | ICC | Base | Kolkata |
| Carol Syntex Private Limited | ICC | Base | Kolkata |
| Carter Vanijya Private Limited | ICC | Base | Kolkata |
| Carwin Trading Private Limited | ICC | Base | Kolkata |
| Casio Retailers Private Limited | ICC | Base | Kolkata |
| Castle Commodeal Private Limited | ICC | Base | Kolkata |
| Castle Commodities Private Limited | ICC | Base | Kolkata |
| Castle Suppliers Private Limited | ICC | Base | Kolkata |
| CD Equifinance Private Limited | ICC | Middle | Kolkata |
| Celeste Merchandise Private Limited | ICC | Base | Kolkata |
| Cellour Commercial Private Limited | ICC | Base | Kolkata |
| Cemfil Enterprises Limited | ICC | Base | Kolkata |
| Centak Distributors Private Limited | ICC | Base | Kolkata |
| Central India General Agents Limited | ICC | Base | Kolkata |
| Central India Industries Limited | ICC | Middle | Kolkata |
| Century Commotrade Private Limited | ICC | Base | Kolkata |
| Century Ply & Boards Private Limited | ICC | Base | Kolkata |
| Century Vision Private Limited | ICC | Base | Kolkata |
| Century Vyapaar Private Limited | ICC | Base | Kolkata |
| Cezario Tradelink Private Limited | ICC | Base | Kolkata |
| Chachan Investment & Trading Co. Private Limited | ICC | Base | Kolkata |
| Chakan Tracon Private Limited | ICC | Base | Kolkata |
| Chakdana Motor Finance Private Limited | ICC | Base | Kolkata |
| Chakresh Holdings Private Limited | ICC | Base | Kolkata |
| Chaman Exports Limited | ICC | Base | Kolkata |
| Champak Niketan Private Limited | ICC | Base | Kolkata |
| Champalall Rajkumar Textiles P Limited | ICC | Base | Kolkata |
| Champaran Marketing Co Limited | ICC | Middle | Kolkata |
| Champion Commercial Co Limited | ICC | Base | Kolkata |
| Chanakya Finvest Private Limited | ICC | Base | Kolkata |
| Chanani Capital City & Towers Private Limited | ICC | Base | Kolkata |
| Chancellor Commodeal Private Limited | ICC | Base | Kolkata |
| Chandra Tech Build Investo Private Limited | ICC | Base | Kolkata |
| Chandrakanta Exports Private Limited | ICC | Base | Kolkata |
| Chandraprabhu Vyapaar Private Limited | ICC | Base | Kolkata |
| Chandroday Mercantiles Private Limited | ICC | Base | Kolkata |
| Chanduka Finance Limited | ICC | Base | Kolkata |
| Chaplet Tracon Private Limited | ICC | Base | Kolkata |
| Charak Ayurmedica Private Limited | ICC | Base | Kolkata |
| Chariot Eximp Limited | ICC | Base | Kolkata |
| Chariot India Private Limited | ICC | Base | Kolkata |
| Chauhan Holdings Private Limited | ICC | Base | Kolkata |
| Chebur Dealer Private Limited | ICC | Base | Kolkata |
| Checon Limited | ICC | Base | Kolkata |
| Cheminare Tradecomm Private Limited | ICC | Base | Kolkata |
| Chemo Traders Private Limited | ICC | Base | Kolkata |
| Chetak Agencies Private Limited | ICC | Base | Kolkata |
| Chetak Mercantile Private Limited | ICC | Base | Kolkata |
| Chetali Trading Private Limited | ICC | Base | Kolkata |
| Chetani Vineeyog Private Limited | ICC | Base | Kolkata |
| Chhajer Credit & Investments Private Limited | ICC | Base | Kolkata |
| Chhatarpati Sales Agency Private Limited | ICC | Base | Kolkata |
| Chhibbar Business & Fiscal Private Limited | ICC | Base | Kolkata |
| Chhotaria Securities Private Limited | ICC | Base | Kolkata |
| Chicky Traders Private Limited | ICC | Base | Kolkata |
| Chik Commodities Private Limited | ICC | Base | Kolkata |
| Chiki Finance Private Limited | ICC | Base | Kolkata |
| Chinar Tie-Up Private Limited | ICC | Base | Kolkata |
| Chinki Commerce Private Limited | ICC | Base | Kolkata |
| Chinki Trexim Private Limited | ICC | Base | Kolkata |
| Chintamani Holdings Private Limited | ICC | Base | Kolkata |
| Chirag Credit Capital Limited | ICC | Base | Kolkata |
| Chirag Credit Private Limited | ICC | Base | Kolkata |
| Chiragsala Sales Private Limited | ICC | Base | Kolkata |
| Chitlangia Trading Co. Private Limited | ICC | Base | Kolkata |
| Chitragupta Sales & Services Private Limited | ICC | Base | Kolkata |
| Chitrakoot Merchandise Private Limited | ICC | Base | Kolkata |
| Chitrakoot Projects Limited | ICC | Base | Kolkata |
| Chitrakut Holdings Limited | ICC | Base | Kolkata |
| Chitravali Tie-Up Private Limited | ICC | Base | Kolkata |
| Chitravali Vincom Private Limited | ICC | Base | Kolkata |
| Chittaranjan Housing Co Private Limited | ICC | Base | Kolkata |
| Chordia Trade Credits Private Limited | ICC | Base | Kolkata |
| Choudhary Managment Private Limited | ICC | Base | Kolkata |
| Choudhury Vyapaar Private Limited | ICC | Base | Kolkata |
| Churamani Housing Private Limited | ICC | Base | Kolkata |
| Churiwala Properties & Investments Private Limited | ICC | Base | Kolkata |
| Cicago Commodities Private Limited | ICC | Base | Kolkata |
| Cil Financial Services Limited | ICC | Base | Kolkata |
| Cimmco Vinimay Private Limited | ICC | Middle | Kolkata |
| Cindrella Financial Services Limited | ICC | Base | Kolkata |
| Cindrella Traders Private Limited | ICC | Base | Kolkata |
| Citi Global Finance Limited | ICC | Base | Kolkata |
| City Consultants Limited | ICC | Base | Kolkata |
| City Holdings Limited | ICC | Base | Kolkata |
| Clara Vinimoy Private Limited | ICC | Base | Kolkata |
| Classic Barter Private Limited | ICC | Base | Kolkata |
| Classic Growers Limited | ICC | Base | Kolkata |
| Classic Leasing & Finance Limited | ICC | Base | Kolkata |
| Clesian Marketing Private Limited | ICC | Base | Kolkata |
| Cliff Trexim Private Limited | ICC | Base | Kolkata |
| Climax Fincap Private Limited | ICC | Base | Kolkata |
| Climax Vyapaar Private Limited | ICC | Base | Kolkata |
| Clive Exports Limited | ICC | Base | Kolkata |
| Clix Securities Private Limited | ICC | Base | Kolkata |
| Cloret Investments Private Limited | ICC | Base | Kolkata |
| CMS Finvest Limited | ICC | Base | Kolkata |
| Coastal Trade Link Private Limited | ICC | Base | Kolkata |
| Cocetra Merchants Private Limited | ICC | Base | Kolkata |
| Colama Commercial Co. Limited | ICC | Base | Kolkata |
| Colelong Dealer Private Limited | ICC | Base | Kolkata |
| Colen Chemical Private Limited | ICC | Base | Kolkata |
| Collocate Merchants Private Limited | ICC | Base | Kolkata |
| Columbia Trading Co Limited | ICC | Base | Kolkata |
| Comet Holdings Limited | ICC | Base | Kolkata |
| Comfort Fincap Limited | ICC | Base | Kolkata |
| Commitment Finance Limited | ICC | Base | Kolkata |
| Community Finance Private Limited | ICC | Base | Kolkata |
| Compact Advertising & Credit Private Limited | ICC | Middle | Kolkata |
| Compact Finstock Private Limited | ICC | Base | Kolkata |
| Companion Trade & Finance Private Limited | ICC | Base | Kolkata |
| Compass Finstock Private Limited | ICC | Base | Kolkata |
| Competent Securities Private Limited | ICC | Base | Kolkata |
| Complex Trading Co Limited | ICC | Base | Kolkata |
| Comrade Hotels Private Limited | ICC | Base | Kolkata |
| Concept Castings Private Limited | ICC | Base | Kolkata |
| Conrad Manufacturers & Traders Limited | ICC | Base | Kolkata |
| Cons Rampal Private Limited | ICC | Base | Kolkata |
| Consolidated Sales & Agency Private Limited | ICC | Base | Kolkata |
| Consortium Enterprises Private Limited | ICC | Middle | Kolkata |
| Consortium Vyapaar Limited | ICC | Base | Kolkata |
| Context Commercials Private Limited | ICC | Base | Kolkata |
| Contship Commodities Private Limited | ICC | Base | Kolkata |
| Cooltex Merchandise Private Limited | ICC | Base | Kolkata |
| Copcoan Vyapaar Private Limited | ICC | Base | Kolkata |
| Coppola Holdings Private Limited | ICC | Base | Kolkata |
| Corbal Suppliers Private Limited | ICC | Base | Kolkata |
| Core Resource Finance Limited | ICC | Base | Kolkata |
| Coromandal Merchants Private Limited | ICC | Base | Kolkata |
| Coronet Industries Limited | ICC | Base | Kolkata |
| Cosmat Traders P Limited | ICC | Base | Kolkata |
| Cosmic Trade & Investsments Private Limited | ICC | Base | Kolkata |
| Cosmos Business Private Limited | ICC | Base | Kolkata |
| Cosmos Real Estates Private Limited | ICC | Base | Kolkata |
| Cosmos Resources P Limited | ICC | Base | Kolkata |
| Cougar Vanijya Private Limited | ICC | Base | Kolkata |
| Coxis Finance & Investment Private Limited | ICC | Base | Kolkata |
| Crawford Marketing Private Limited | ICC | Base | Kolkata |
| Creative Fiscal Services Limited | ICC | Base | Kolkata |
| Creative Vanijya Private Limited | ICC | Base | Kolkata |
| Credwyn Holdings (India) Private Limited | ICC | Base | Kolkata |
| Crescent Commerce Private Limited | ICC | Base | Kolkata |
| Crickxon Trade & Exports Private Limited | ICC | Base | Kolkata |
| Crochet Trade & Investment Private Limited | ICC | Base | Kolkata |
| Cromatic Suppliers Private Limited | ICC | Base | Kolkata |
| CSN Financial Services Private Limited | ICC | Base | Kolkata |
| CSP Investment & Financial Services Private Limited | ICC | Base | Kolkata |
| Cubbon Marketing Private Limited | ICC | Base | Kolkata |
| Cube Trafin Private Limited | ICC | Base | Kolkata |
| Cuckoo Fiscal Services Limited | ICC | Base | Kolkata |
| Cumex Marketing Private Limited | ICC | Base | Kolkata |
| Cynosure Tracon Private Limited | ICC | Base | Kolkata |