McDonough Mechanical Services, Inc.

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Established in 1976, McDonough Mechanical Services Inc. is a full-service heating, ventilating, and air conditioning, piping and mechanical contractor. Based in Waukegan, Ill., it provides an array of services, such as design-build services, retrofit services, diagnostics, boilers and chillers, cooling towers and heat exchangers, refrigeration specialties, medical gas piping, process piping, temperature controls and custom programming, to name a few. The firm is associated with various organizations, such as Mechanical Contractors Association of Chicago, Lake County Contractors Association, Plumbers & Pipefitters Local 501 and Local Union 597 Chicago Pipe Fitters.