VSE Corporation operates as a diversified products and services aftermarket company in the United States. The company operates in three segments: Supply Chain Management Group, Aviation Group, and Federal Services Group. The Supply Chain Management Group segment offers sourcing, acquisition, scheduling, transportation, shipping, logistics, data management, and other services to assist its clients with supply chain management. It sells vehicle parts and mission critical supply chain services to support the United States Postal Service (USPS) vehicle fleet and commercial truck fleets; and fleet management and sustainment solutions, and managed inventory services to the Department of Defense (DoD). The Aviation Group segment provides maintenance, repair, and overhaul (MRO) services; and parts supply and distribution for commercial and general aviation jet aircraft engines and engine accessories. It serves commercial airlines, regional airlines, cargo transporters, MRO integrators and providers, aviation manufacturers, corporate and private aircraft owners, and agricultural clients. The Federal Services Group segment offers foreign military sales services and refurbishment services to extend and enhance the life of existing vehicles and equipment; fleet-wide ship and aircraft support; aircraft sustainment and maintenance; and other technical, management, engineering, logistics, maintenance, configuration management, prototyping, technology, and field support services to the U.S. Navy and Marine Corps, U.S. Army and Army Reserve, U.S. Air Force, and other customers. This segment also provides energy consulting services, and IT solutions and services for various DoD and federal civilian agencies. VSE Corporation was founded in 1959 and is headquartered in Alexandria, Virginia.