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 Concrete Masonry & Hardscapes Association (CMHA) represents a unification of the Interlocking Concrete Pavement Institute (ICPI) and the National Concrete Masonry Association (NCMA). CMHA is a trade association representing US and Canadian producers and suppliers in the concrete masonry and hardscape industry, as well as contractors of interlocking concrete pavement and segmental retaining walls. CMHA is the authority for segmental concrete products and systems, which are the best value and preferred choice for resilient pavement, structures, and living spaces.
