VBG GROUP AB provides engineering services. It operates through the following segments: VBG Truck Equipment, Edscha Trailer Systems, Mobile Climate Control, and Ringfeder Power Transmission. The VBG Truck Equipment segment is a supplier of systems to customers in the truck industry and includes the brands VBG and Ringfeder for coupling equipment and Onspot for automatic snow chains. The Edscha Trailer Systems segment produces and sells sliding roofs for trailers. The main brand is Edscha Trailer Systems, and a complementary brand is Sesam. The Mobile Climate Control segment operates through its own brand, a supplier of complete climate control systems to commercial motor vehicles, primarily in North America and Europe. The Ringfeder Power Transmission segment is an leader in selected niches within mechanical power transmission as well as energy and shock absorption. The operation includes the Ringfeder, Gerwah, Tschan and Henfel brands. The company was founded by Herman Krefting in 1951 and is headquartered in VÃ¤nersborg, Sweden.