Fontaine Modification Company
Truck TransportationNorth Carolina, United States51-200 Employees
Fontaine Modification Company operates in the truck transportation sector as an engineering-driven provider of post-production modifications for trucks. Founded in 1985 and based in Charlotte, North Carolina, the company supports manufacturers, dealers, and fleets with engineered changes after initial vehicle builds. It maintains ten modification centers strategically placed near original equipment manufacturers across North America, with facilities in Charlotte and Statesville, North Carolina; Chillicothe and Springfield, Ohio; Detroit, Michigan; Garland and Laredo, Texas; Dublin and Salem, Virginia; and Mineral Wells, West Virginia. As part of Marmon Holdings, a Berkshire Hathaway company, Fontaine Modification operates as a mid-sized player in the trucking services landscape. Its focus is on modifications and upfitting for trucks, addressing the needs of fleets and dealers seeking customized, post-production work. In March 2026 the firm launched Fontaine Modification Access365, a customer portal that provides visibility into the modification process.