As a government and defense industry partner for more than 80 years, Day & Zimmermann delivers a diverse portfolio of mission-critical services to the U.S. Departments of Defense, Energy, State, and Homeland Security, as well as U.S.-approved foreign governments.
Whether we are designing and constructing military facilities, operating and maintaining the nation’s ammunition plants, chemical depots, and various Naval facilities or providing security services at military installations and posts around the world -- we get the job done safely and with integrity.