Interstate Service Company, Inc.

Interstate Service Company, Inc. is a mechanical contracting business serving the Washington, DC metropolitan area, including Maryland and Virginia. Established in 1972 and located in Brentwood, Maryland, Interstate Service Company, Inc. specializes in commercial and industrial HVAC-R systems. Services include development, furnishing, installation, service, repair, and maintenance of heating, air conditioning, refrigeration, and process piping systems. Interstate Service Company, Inc. works with government entities, building owners, general contractors, engineers, architects, and property management firms. The workforce includes journeymen steamfitters, HVACR technicians, project managers, certified welders, apprentices, and administrative personnel. Preventive maintenance programs are offered to extend system life and ensure peak operation.