Established in October 2000, Say-Core, Inc. is a Portage, Pennsylvania manufacturer known for its specialized hollow-core concrete work. The company supports contractors with custom-fabricated structural planks and handles their installation through its own erection crews.
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Hanover Concrete, CoEstablished in 1940, Hanover Concrete, Co. is a family-owned concrete producer and building-materials supplier based in Hanover, Pennsylvania. It manufactures ready-mixed concrete and fabricates reinforcing steel in-house, and has expanded to serve south-central Pennsylvania and northern Maryland through its Hanover, Shrewsbury, and Gettysburg operations.HANOVER, PA
Precast Systems, LLCPrecast Systems, LLC manufactures specialty precast concrete products at facilities in Williamson, Pennsylvania, just outside Greencastle. Part of the Nitterhouse Companies, it traces its family’s concrete-producing history to 1923 and is managed by fifth-generation family member Matthew Diller. The company also provides installation services for its products.GREENCASTLE, PA
Mack IndustriesMack Industries is a family-owned concrete manufacturer that has made precast products since 1932, originating in Valley City, Ohio, and continuing under three generations of the Mack family. It also produces ready-mix concrete and prestressed hollowcore planks, which it added to its offerings in 2004. Its manufacturing facilities serve a multi-state area, with plants in Ohio, Michigan, Pennsylvania, North Carolina, and Florida.BRUNSWICK, OH
Keystone Concrete Block and Supply Company, IncFounded in Scranton in 1926 by Joseph Galdieri, Keystone Concrete Block and Supply Company manufactures concrete building blocks and Versa-Lok retaining wall systems while supplying masonry and hardscape materials across the region. The third generation of the founding family now operates the company from three Pennsylvania manufacturing locations, serving customers in Pennsylvania, New Jersey, Connecticut and New York. Keystone is the exclusive manufacturer of Versa-Lok retaining wall systems for eastern Pennsylvania.HONESDALE, PA