Metal Construction Association
The Metal Construction Association (MCA) is an industry organization in the US that was formed in 1984 with a focus on expanding the use of metal in construction through marketing, education and selective action on public policies that affect metal's use in building projects. == History == The concept of the MCA began in March 1983 when members of the now-defunct Metal Building Component Manufacturers Association wanted to create a new, expanded association.
Source: Wikipedia — Metal Construction Association (CC BY-SA 4.0)