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.
For nearly two centuries, Mason & Hanger has been a trusted partner of the U.S. Department of Defense (Army, Navy, Air Force, Marines, National Guard – active and reserves), Department of Homeland Security, Department of State, Department of Energy, as well as NASA, and other government agencies critical to the U.S. National Security Mission. Mason & Hanger has provided best-in-class architectural and engineering (A/E) services to the federal government on thousands of projects in more than 170 countries. Mason & Hanger has ranked nationally among the Top 15 A/E firms in Government Building Design.
"We provide smart, innovative solutions for difficult and complex design challenges to support the U.S. Government with their security missions globally."
-Benjamin A. Lilly, President, Mason & Hanger
Customized, streamlined solution for every mission – focusing on communication and quality control.
Providing planning, design, engineering and construction support services for munitions and industrial facilities for the U.S. Army Corps of Engineers and the U.S. Navy as well as other government agencies.