JOST is a world-leading producer and supplier of safety-critical systems for the commercial vehicle industry. Under the umbrella brand of JOST, the comprehensive range of products is categorised into systems for On-Highway (transport industry) and Off-Highway applications (agriculture and construction industries).

The JOST brand includes fifth wheel couplings, landing gears, ball bearing turntables, kingpins, container locks as well as truck and trailer axles. ROCKINGER specialises in towing hitches, drawbar eyes and drawbars for transporters and trucks, also serving agricultural vehicles from hitches to three-point linkages. TRIDEC provides steering systems and axle suspensions for trailers. Quicke specialises in agricultural front loaders and equipment. This includes products for the mining, construction and forestry machinery industries.

Since 2025 Hyva strenghtens JOST’s portfolio. It is the world’s leading producer of front-end tipping cylinders and also offers underbody and double-acting cylinders, lifting systems, waste handling solutions, and truck-mounted cranes.

JOST employs over 7,500 people worldwide, with sales and production in more than 35 countries across six continents. It is listed on the Frankfurt Stock Exchange.