A comprehensive list of Derby, CT based stores, manufacturers & wholesalers offering building & construction supplies, materials and products. Read unbiased reviews of local suppliers. 
Automotive, Residential and Commercial safe and locksmiths servicing the greater Hartford, New Haven, Waterbury, Stamford, New London CT areas. Calvert Safe & Lock began as a family owned business in Derby, CT, in 1972. In the last 50 years we have grown to become the largest supplier of high security locks and safes in the New England area.
Alfred Anzalone — What a pleasant experience working with Calvert Lock & Smith. The guys at the shop are extremely knowledgeable and friendly