Haulmark Trailers ( Australia ) Pty Ltd is a privately owned Australian company that was established in 1963 now with its Head Office and major manufacturing facility based in Rocklea , Brisbane. Haulmark has built an enviable reputation as a high quality designer and manufacturer of road transport equipment . Although Haulmark equipment operates all over Australia , undoubtedly the Haulmark name is synonymous with the harsh operating conditions of the road train areas of Queensland , Northern Territory and Western Australia.