Since its founding in 1999, S4 Inc. has specialized in providing high quality, responsive IT Services to US Government and Department of Defense (DoD) customers. Our certified and experienced professionals offer solutions that reduce risk and introduce efficiencies, often saving valuable time and/or money. Click HERE to find out more about Enterprise IT Services.

S4 Inc. specializes in helping Department of Defense (DoD) and US Government customers including NORAD and USNORTHCOM (N&NC), USCYBERCOM, USSTRATCOM, US Air Force, US Army, and the US Senate protect their computers, networks and information from cyber threats. Click HERE to find out more about Cybersecurity Capabilities.

S4 Inc. provides Department of Defense (DoD), and US Government Customers with Program Management, Engineering, Electromagnetic Spectrum Operations (EMSO) and Advisory & Assistance Services. Click HERE to find out more about our Professional Services.

Find Your Solution

S4 Inc. specializes in providing Enterprise Information Technology (IT) Solutions, Cybersecurity Capabilities, and specialized Professional Services to US Government, Department of Defense (DoD), and Department of Homeland Security (DHS) customers. Click HERE to learn more about our solutions and customers.

Become a Partner

At S4, we pride ourselves on building lasting industry partnerships to broaden the range of personalized services we provide to suit our clients needs. Click HERE to learn how a partnership with S4 could help you.

Join Our Team

S4 Inc. offers competitive salaries and benefits. We are an Equal Opportunity Employer. If you are looking for a challenging and rewarding position, then we invite you to become a part of our team. Click HERE to find out more about our positions and benefits.