United Transmission Exchange
Motor Vehicle ManufacturingCalifornia, United States11-50 Employees
United Transmission Exchange is a California-based remanufacturer and service provider focused on rebuilding and servicing Allison Transmissions for heavy-duty on-highway vehicles. The company operates a large independent remanufacturing facility in San Bernardino, offering a substantial inventory of transmissions and both in-shop and on-site remove-and-replace options to support commercial, municipal, and military customers across California, western states, and Canada. With decades of experience since its founding in 1975, UTX emphasizes quality control through dynamometer testing and uses high-quality parts and rebuild techniques to meet or exceed OEM specifications, backed by a warranty. The business is led by CEO Karen Mason and is recognized as a Women’s Business Enterprise, reflecting its long-standing family ownership and commitment to teamwork and customer service.