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Keystone Concrete Block & Supply Co.

750 West Linden St.
Scranton, PA 18503
Phone: (570) 346-7701
Fax: (570) 346-2466

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Keystone Concrete Block and Supply Company, Inc. was founded in 1926 in Scranton PA by Joseph Galdieri. Today the company is owned and operated by the third generation of the founding family. The company has three manufacturing locations in Scranton, PA and Honesdale, PA distributing to Eastern Pennsylvania, New Jersey and New York, including Long Island. In addition to general construction building blocks, the company is the exclusive manufacturer of Versa-Lok retaining walls systems within the region. The company also sells a complete line of masonry supplies, cultured stone, concrete pavers and accessories.