Welcome to Keystone Block
Keystone Concrete Block Supply produces and distributes a complete line of masonry products and supplies.

• General Construction Masonry Products
• Architectural masonry units
• Versa-Lok Retaining wall systems
• Concrete pavers from: Capitol Concrete and Cambridge
• Stone Veneer from: Cultured Stone and United Stone
• Bag products from: Essroc, Thoro, Quikrete and Spec-Mix
• Masonry accessories from: Wire Bond, Grace, WR Meadows, Sure Kleen, Bilco, and masonry tools.




Store Locations
Construction and Landscape Products

Keystone Block and Supply Company, Inc
600 Glen Street
Scranton, PA 
Phone (570) 346-7701
FAX (570) 346-2466


Construction Products

Keystone Pocono Block and Supply Company, Inc
3 Goodman Road
Honesdale, PA
Phone (570) 253-3694
FAX (570) 253-0650



About our Company
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.


©2007 Keystone Concrete Block