Mechanical Contractors Association of Kentucky is dedicated to creating an environment of growth and professional harmony for our members and their clients. We are the steward of best practices, and the positive face of the plumbing, heating and cooling industry in a rapidly changing world highest professional standards On-time Completion Quality Performance MCA contractors are the best qualified contractors available in industrial piping, new construction and HVAC service They are trained in green building and provide expertise in LEED certification to customers Select A Contractor