The Mechanical Contractors Association of Eastern Missouri is an organization of union mechanical contractors that empowers members through education, training, information and labor-management relations. The MCA promotes excellence in the local mechanical contracting industry and for our employees and members.


Mechanical Contractors install and service technologically advanced and energy-efficient heating, air conditioning, refrigeration, and piping systems.

Female Machine operator as a skilled technical in a factory while working at lathe machine and looking at camera