General Shale manufactures building materials, with brick production dating to the company’s 1928 formation through the merger of two earlier brick companies. It describes itself as a North American manufacturer with production facilities across the United States and Canada, and is part of Wienerberger AG. Its portfolio and manufacturing network also include building stone, concrete block, and a PVC pipe operation.
LEED®
Compliance program
Glen-GeryFounded in 1890 in Wyomissing, Pennsylvania, Glen-Gery manufactures clay brick and related building systems for projects across North America. The company stands out for a catalog of more than 600 brick products, including customizable glazed brick, alongside advanced cladding solutions such as SK1N, Thin Tech and Tru-Brix. Glen-Gery is part of Australia’s Brickworks Limited and sells through a broad distributor network and company-owned supply centers.CHESWICK, PA
Bowerston Shale CompanyBowerston Shale Company manufactures clay brick at plants in Bowerston and Hanover, Ohio, and has produced clay products for architectural, commercial, and residential markets since 1929. Its production process includes selectively mining clay and shale and forming and firing the material into brick. The company offers brick in varied colors and textures, including custom blending and color matching.NEWARK, OH
Chautauqua BrickFounded in 1948 as a brick-and-block manufacturer, family-run Chautauqua Brick has grown into a Southern Tier building-materials supplier with four locations. Now in its third generation, the company still makes masonry products while supplying materials for projects from foundation to rooftop, backed by outside sales, project estimates and specialized delivery. Its long history and family leadership remain central to the way it serves homeowners, contractors and architects.CORRY, PA
Reading Rock, IncReading Rock, Inc. is a family-owned building-materials manufacturer and supplier that has made building materials since 1947. From its origins as a block manufacturer, the company has grown into four divisions—hardscapes, architectural stone veneer, masonry, and hearth—and serves projects nationwide. Its Cincinnati-area roots and more than 75 years of operation are complemented by in-house engineering, design, and installation capabilities.CINCINNATI, OH