Architecture & Engineering

Mason & Hanger, a Day & Zimmermann Company, is dedicated to providing architectural and engineering (A/E) services, specializing in worldwide design of secure, mission-driven facilities, proudly serving as a partner to the United States Government for nearly two centuries.

Mason & Hanger is a trusted partner of the U.S. Department of Defense (Army, Navy, Air Force, Marines, National Guard), Department of Defense Reserves, Department of Homeland Security, Department of State, and Department of Energy, among other government agencies critical to the U.S. National Security Mission.

Mason & Hanger has a rich history covering nearly 200 years, as the oldest operating A/E firm in the United States.

The teams have combined experience that has served the federal government in thousands of projects, in 48 states and 163 countries. With offices in Lexington, Kentucky and Richmond, Virginia Beach and Woodbridge, Virginia, Mason & Hanger has ranked nationally among the Top 15 A/E firms in Government Building Design.

The firm consistently ranks in ENR’s list of top international design firms. In 2016, as part of Day & Zimmermann, the overall company ranked #172 among the Annual Top 500 Design Firms by Engineering News-Record. 

Mason & Hanger is a longstanding member of the American Council of Engineering Companies with active participation among its principals.

Mason & Hanger's team of experienced design professionals deliver in-depth knowledge and expertise in the following niche areas:

Success Stories

 

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Featured Story

Training Complex, Asymmetric Warfare Group, Ft. A.P. Hill, VA

Mason & Hanger performed architectural and engineering services for this new 426-acre campus built to test new Tactics, Techniques, and Procedures (TTPs) to meet the asymmetric threat that soldiers find on the battlefield. The 13-building Range Support/Cantonment area provides administrative, training, housing, and maintenance facilities. 

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