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, Department of Energy, and the Intelligence Community, among other government agencies critical to the U.S. National Security Mission.

As the oldest operating A/E firm in the United States, Mason & Hanger has a rich history covering nearly 200 years. Our teams have served the federal government on thousands of projects, in 48 states and 163 countries.

Mason & Hanger operates from a number of U.S. office locations including: Huntsville, AL; Lexington, KY; Chantilly, VA; Glen Allen, VA; and VA Beach, VA. 

Design

Mason & Hanger

Mason & Hanger's headquarters in Lexington, KY, United States

This department focuses on the design, development, and implementation of mechanical systems and components.

Mechanical Engineering

The Engineering and Design Team at Mason & Hanger is responsible for delivering comprehensive architectural and engineering solutions for secure, mission-driven facilities. This multidisciplinary team, composed of skilled engineers and designers, collaborates on projects that meet the stringent requirements of government clients, ensuring safety, functionality, and compliance with national security standards. Their expertise spans various disciplines, including civil, mechanical, electrical, and structural engineering, playing a pivotal role in advancing the company's legacy of nearly two centuries of service to the U.S. Government.

Engineering and Design Team

The Operations and Management Team at Mason & Hanger is responsible for overseeing the efficiency and effectiveness of project execution, ensuring alignment with strategic goals and compliance with quality standards. This team leads business development initiatives, manages international programs, and provides financial oversight, while collaborating closely with various departments to deliver exceptional A/E services. They play a crucial role in supporting federal government projects by optimizing resources and fostering innovation to meet mission-driven requirements.

Operations and Management Team

This department is responsible for the design and oversight of architectural strategies and frameworks.

Architecture Department

This department oversees project planning, execution, and completion to ensure successful delivery.

Project Management

The Leadership Team at Mason & Hanger is responsible for setting the strategic direction and overseeing the execution of architectural and engineering services that support the U.S. government's mission. Comprising experienced executives, including the President and several Vice Presidents, this team collaborates to drive innovation, ensure operational excellence, and enhance partnerships with key government agencies to successfully deliver secure, mission-driven facility designs worldwide.

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Other teams

Engineering and Design Team

Operations and Management Team

Architecture Department

Project Management

Leadership Team