VSE Corporation VSE is a leading provider of aftermarket distribution and repair services. Operating through its two key segments, VSE significantly enhances the productivity and longevity of its customers' high-value, business-critical assets. The Aviation segment is a leading provider of aftermarket parts distribution and maintenance, repair, and overhaul services for components and engine accessories to commercial, business, and general aviation operators. The Fleet segment specializes in part distribution, engineering solutions, and supply chain management services catered to the medium and heavy-duty fleet market. Wikipedia