S4 Systems

S4 Systems is a leading Integrated Logistics Support provider based in Charleston, South Carolina, specializing in maritime and defense solutions. We deliver comprehensive support from acquisition to sustainment, reducing total ownership costs and increasing life-cycle support for our clients. Our team of experienced professionals receives consistent, internal training to stay at the forefront of technology and operations. We’re proud to be recognized as ‘the future of Integrated Logistics Support’ within the industry. Integrated Logistics Support, Program Management, and Validation Software (WAVES©) are at the core of our offerings. We’ve supported over 28 ships across 12 locations and maintain a 98% on-time delivery rate.

S4 Systems began in 2011 with a vision to establish a dedicated team of subject matter experts in ILS – a critical area of engineering during the shipbuilding acquisition process. We’ve grown to become a trusted partner for government and commercial programs, leveraging innovation and a robust training platform.

WAVES©, our pioneering validation software, bridges the gap between Equipment Validation and Configuration Management within Government Program of Record (PoR) Databases. We provide a complete suite of services, including On-Site Services, Material Turnover Support, and Lifecycle Logistics Support, ensuring seamless operations and optimized performance.