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Who We Serve

*Commercial Industry
*Hotels
*Goverment Buildings
*Property Management Firms
*Apartments
*Churches
*Shopping Centers
*Hospitals
*Tenant Fit-outs
*New Contruction & More!

Professional Affiliations

Mechanical Contractors Association of Metropolitan Washington Inc.
www.mcamw.org 

Interstate Service Company, Inc.

MCA of Metro Washington is the leader of the union mechanical construction and service industry in the Metro Washington area. Together with its union partners it will promote the professionalism, quality, cost-effectiveness, owner/user benefit, and productivity of union construction and service through education, labor relations, public relations and government affairs.

Building Trades Association
www.buildingtrades.com
 
Interstate Service Company, Inc.

Building Trades Association (BTA)is made up of thousands of companies involved in all phases of the building and construction industries. BTA was formed to provide services for its members saving them valuable time and money. If you use our group services, you are guaranteed to save more than you membership fee!

United Association of Journeymen & Apprentices of The Plumbing & Pipe Fitting Industry of US and Canada
www.ua.org 

Interstate Service Company, Inc.


Steamfitters Local #602
www.steamfitters-602.org
 
Interstate Service Company, Inc.