Mason & Hanger

Mason & Hanger, a Day & Zimmermann Company, is dedicated to providing architectural and engineering services, specializing in the worldwide design of secure, mission-driven facilities. Proudly serving as a partner to the United States federal government for nearly two centuries, Mason & Hanger has provided A/E services on thousands of projects in 165 countries.

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Mason & Hanger
Mason & Hanger, a Day & Zimmermann Company, is dedicated to providing architectural and engineering services, specializing in the worldwide design of secure, mission-driven facilities. Proudly serving as a partner to the United States federal government for nearly two centuries, Mason & Hanger has provided A/E services on thousands of projects in 165 countries.

BUILDING A MORE SECURE WORLD
Our mission statement of “Building a More Secure World” is more than just a tagline. It embodies what we do every day. With a full array of in-house, multidisciplinary professionals and a staff of more than 250, we institute innovative ways to create dynamic spaces. These facilities include secure office buildings, data centers, command and control centers, communications facilities, headquarters facilities, embassies, SCIF spaces, training facilities, shooting ranges, and many others.
 
Grounded in collaboration and extensive analysis, Mason & Hanger is a pioneer in the production of next generation, high-performance facilities. Mason & Hanger is ranked nationally among ENR’s Top 500 Design Firms, Top 15 A/E firms in Government Building Design, and the list of top international design firms.