Mason & Hanger, a Day & Zimmermann company, is dedicated to providing architectural and engineering (A/E) services specializing in the worldwide design of secure, mission-driven facilities.
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.