Day & Zimmermann's family of companies accelerate customer success by delivering trusted services and products that create a tomorrow that is safer, more secure, more innovative and more productive.

Day & Zimmermann Government Services is specifically recognized for providing high-end security forces for sensitive environments. The company provides armed and unarmed security guard forces for the Department of Energy (DOE), at Los Alamos National Laboratory – and to the Department of Defense (DOD) at several GOCO installations. Additionally, the company works with 8(a) contractors to provide post-9/11 security for DOD installations.

Day & Zimmermann has successfully operated vast complexes for more than 50 years, providing our customers with full-service facilities management that includes base operations, equipment management, environmental services, housing management and security.