The Architectural Precast Association (APA) is committed to establishing and upholding the highest level of quality assurance for the production of architectural precast concrete products. Based in Tallahassee, Florida the APA membership spans throughout North America and is comprised of manufacturers and their suppliers.
The Cast Stone Institute® is an organization of Cast Stone Manufacturers, Associates, Professional Architects, Engineers, and Concrete Technologists formed for the purpose of improving the quality of Cast Stone and disseminating information regarding its use. The activities of the Institute are designed to benefit both the industry and its patrons.