S4 Inc. is a professional services and consulting firm specializing in Enterprise Information Technology (IT) Solutions and Advisory and Assistance Services (A&AS). We have provided innovative and responsive IT solutions to US Government and Department of Defense (DoD) customers for over a decade.
S4 delivers mission-critical support to such organizations as the Department of Homeland Security (DHS), Defense Information Systems Agency (DISA), Defense Intelligence Agency (DIA), NORAD and US Northern Command (N-NC), U.S. Central Command (USCENTCOM), U.S. Special Operations Command (USSOCOM), U.S. Strategic Command (USSTRATCOM), U.S. Transportation Command (USTRANSCOM), U.S. Air Force, U.S. Army and U.S. Navy. Headquartered in Burlington, MA, S4 has offices in Colorado Springs, CO and Dayton, OH, as well as several project sites across the United States. S4 is a Small Disadvantaged Business (SDB) and holds an ISO 9001:2008 certification at Headquarters. S4 Inc. has been named to the prestigious Inc. 500/5000, the list of fastest growing companies in America, for seven consecutive years.