CMHA
The Concrete Masonry and Hardscapes Association (CMHA), established in 1918, is the national trade association representing the concrete masonry industry. The Association is involved in a broad range of technical, research, marketing, government relations and communications activities.
CMHA is an association of producers of concrete masonry products, and suppliers of products and services related to the industry. CMHA offers a variety of technical services and design aids through publications, computer programs, slide presentations and technical training.