The Connecticut  State Library’s subscription to ReferenceUSA is now available to any resident of Connecticut with a State Library card. 

ReferenceUSA: provides directory information for US businesses in all zip code areas and has really good coverage of small private, local companies. A mapping feature allows one to identify businesses within a certain radius by SIC and NAICS codes.

ReferenceUSA can be accessed at:

Residents can apply for a State Library card in person or by mail using the procedure described here:

Questions can be directed to the State Library at: