The Indiana Ready Mixed Concrete Association was founded in 1943 and was granted not-for-profit status.  The IRMCA is involved in a broad range of events, marketing, promotions, education, government affairs, as well as partnering with other associations such as the Indiana Concrete Homes Council, the Indiana Constructors Inc, the American Concrete Institute, the Indiana Chapter of the American Concrete Pavement Association, and the Metropolitan Indianapolis Concrete Alliance. 

Today, we have over 70 producer and supplier companies as members.