Dennison Trailers was an Irish republic based manufacturer of Semi-trailers founded by George Dennison and based in Rathcoole, Dublin. The trailer business was bought out by Crane Fruehauf in the 1970s. The company started building Rigid and Articulated trucks in 1977, using a section of bought in branded components. Dennison withdrew from the truck building market in 1981. From 1981 they started building trailers again.