JOST International
Motor Vehicle ManufacturingMichigan, United States201-500 Employees
JOST International designs and manufactures components for the road transport industry, including fifth wheels, landing gear, kingpins, turntables, hydraulic cylinders, and aerodynamic devices. The company operates from two manufacturing plants and distribution centers across North America, with its corporate headquarters in Grand Haven, Michigan also serving as the production site for landing gear and king pins and holding a third-party ISO 9001 certification. The fifth wheel line is produced in Greeneville, Tennessee, and the organization has TS16949 and ISO14000 certifications, as noted in its Environmental Policy. The business serves operators and manufacturers in the road transportation market that require reliable coupling and undercarriage components. A notable development in recent years is the 2021 JSK37USK series air-release fifth wheel with a sensor coupling system designed to help verify proper coupling from within the cab.