VSE Corporation operates as a diversified aftermarket products and services company in the United States. The company operates through two segments, Aviation and Fleet. The Aviation segment provides aftermarket parts supply and distribution; maintenance, repair, and overhaul services for components and engine accessories supporting commercial, business, and general aviation operators. This segment serves commercial airlines, regional airlines, cargo transporters, MRO integrators and providers, aviation manufacturers, corporate and private aircraft owners, and fixed-base operators. The Fleet segment offers parts supply, inventory management, e-commerce fulfillment, logistics, supply chain support, and other services to support the commercial aftermarket medium- and heavy-duty truck market. This segment also provides sale of vehicle parts and supply chain services to support client truck fleets, as well as sustainment solutions and managed inventory services to government and commercial truck fleets. VSE Corporation was incorporated in 1959 and is headquartered in Vienna, Virginia.