The group's principal activity is to manufacture specialty vehicles and accessories for various basic service niches of the transportation industry. It operates through three segments: ambulance, buses and terminal trucks and road construction equipment. Ambulance segment manufactures modular and van type ambulances for sale to hospitals, ambulance services, fire departments and other governmental agencies. The bus segment produces small school buses, commercial buses and shuttle buses for sale to schools, hotel shuttle services, airports and other governmental agencies. The terminal trucks and road construction equipment segment produces off road trucks designed to move trailers containers for warehouses, truck terminals, rail yards, rail terminals, shipping ports and a line of road construction equipment. The group markets its products through independent dealers and distributors and the direct sales efforts of its personnel.