De-Cal Mechanical Contractors

About us

De-Cal Mechanical Contractors is a full service Union Mechanical Contracting firm typically employing over 400 full-time office and field personnel. Founded in 1992, De-Cal Mechanical Contractors is a privately-held corporation owned and managed by Andrew Calcaterra, President and Randall DeBeul, VP. Over 100,000 sq. ft. of corporate offices, warehouses and fabricating facilities . in Detroit, Youngstown and Pittsburgh serve the Michigan, Ohio and Pennsylvania regions.