Bengal National Chamber of Commerce and Industry
BNCCI provides support services to entrepreneurs and investors in West Bengal.
Calcutta Electric Dealers Association
Information on CEDA, its activities, and the benefits of joining it.
Computer Society of India - Calcutta Chapter
The Kolkata chapter of this society.
Direct Taxes Professionals' Organization
Organization of taxation, accounts & company law and allied matters professionals.
Indian Jute Industries' Research Association
An Autonomous Co-operative Research Laboratory.
The Calcutta Tea Traders Association
The only licensed and official organizer of the public tea auctions in Calcutta.