Entrusted to Secure and Protect with Mission-critical Solutions

Supporting the U.S. National Security Mission to provide seamlessly integrated solutions. We stay ahead of evolving threats with agility and a preventative security posture.

Learn More About Us
Armored vehicle driver
WHY SOC

The Trusted Provider of Mission Support Solutions

For generations our teams have been the critical element in supporting designs, operations, and security for the prevention and deterrence of potential threats. Our workforce is strongly united by our mission, with a commitment to lead the industry by setting the highest standards in security, ethics, safety, and compliance.

Learn More

Portfolio & Experience

History of Operating in Support of the U.S. Government

75

Years Supporting the Department of Energy at Category I Special Nuclear Material research, development, and manufacturing environments

120

Years supporting Department of Defense, munitions productions, facility design and maintenance, demilitarization operations and research and development

40

Years of continued O&M Services for Army Joint Munitions Command for the largest capability for premier ammunition storage and demilitarization in the world

200

Years as a trusted A&E partner to U.S. DoD and other agencies

80,000+

Tons of safely demilitarized ammunition, since 2010

10,000+

Mobilized security professionals to support U.S. military forces overseas

747+

Globally Deployed Explosive Detection Canines

TOP 100

Defense Company, rated by Bloomberg Government and Defense News
Portfolio & Experience

WHATEVER THE MISSION, WE DELIVER SUCCESSFUL RESULTS.

With diverse teams of professionals from around the world, our purpose is to ensure that our customers are free to reach their highest working potential regardless of the threat profile.

_DZGS Speaker Series
Dive Into Our Video Series 

PERSPECTIVES ON U.S. NATIONAL SECURITY

Focusing on the many facets of the U.S. National Security Mission, current events, trends and concerns, looking toward the future.

Day & Zimmermann Government Services and Advisory Board leaders provide a deep dive on:

With a workforce comprised of former Military members, we are committed to supporting our veterans in their vital role of providing mission support to our partners in the U.S. Government. 

Hear From Our Veterans