National Concrete Masonry Association (NCMA)
The National Concrete Masonry Association (NCMA) is an international trade association representing producers and suppliers in the concrete masonry and hardscape industry. Member products include concrete block, manufactured stone veneer, segmental retaining walls, and articulating concrete block. For over 100 years the Association has been dedicated to the advancement of manufactured concrete products through research, promotion, education, and the development of manufacturing guides, design codes and resources, testing standards, and construction practices. NCMA promotes the use of concrete masonry and hardscape products through the development and dissemination of technical information. NCMA member products are the primary choice for building better, more sustainable structures and communities.