From Longman Dictionary of Contemporary Englishhaulierhaul‧i‧er /ˈhɔːliə $ ˈhɒːliər/ British English, hauler / $ ˈhɔːlə, ˈhɒːlər/ American English noun [countable] a company that carries goods in trucks or trains for other companiesFrom Longman Business Dictionaryhaulierhaul‧i‧er /ˈhɔːliəˈhɒːliər/ British English, hauler /ˈhɔːləˈhɒːlər/ American English noun [countable]JOBTRANSPORT someone who owns or manages a haulage business