Integrated Solutions for Systems, Inc. (IS4S) is an employee-owned small business providing a wide range of engineering and management solutions to government, military, and commercial customers. Founded in 2008, IS4S specializes in PNT, missile system engineering, energetic research and development, vehicle electronics, additive manufacturing, electronic hardening, physics-based modeling and simulation, and other innovative technologies using the modular open systems approach (MOSA). IS4S is headquartered in Huntsville, Alabama with office locations in Auburn and Opelika, Alabama; Orlando, Niceville, and Fort Walton Beach, Florida; Atlanta and Warner Robins, Georgia; Dayton, Ohio; Slidell, Louisiana; and Aberdeen, Maryland.