in Adelaide before erecting a large four-storey factory on the site.

By 1923, HMBB were producing 12,000 units per year. During this time, HMBB assembled bodies for Ford Motor Company of Australia until its Geelong plant was completed. From 1924, HMBB became the exclusive supplier of car bodies for GM in Australia, with manufacturing taking place at the new Holden Woodville Plant (which was actually in the adjacent