VSE brings military hand-me-downs back into fashion. The company provides engineering, testing, and logistics services for the US Army, the US Navy, and other government agencies on a contract basis. VSE operates through various subsidiaries and divisions that comprise its core Federal Group segment (engineering, logistics, communications, and management services) and its International Group (fleet maintenance and foreign military sales). Other segments include IT, Energy and Management Consulting (technical and consulting services for civilian government), and Infrastructure (engineering and transportation services). VSE generates more than three-quarters of its revenues from the Department of Defense.