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 professionalism, cost-effectiveness, and productivity of union construction and service, through training, education, and labor relations.
Mechanical Contractors install and service technologically advanced and energy-efficient heating, air conditioning, refrigeration, and piping systems.
George D. Corey
Corrigan Brothers, Inc.
Johnson Controls, Inc.
Rock Hill Mechanical Corporation
Icon Mechanical Engineers and Constructors, LLC.