Martin &amp; KingMartin &amp; King Martin & King Martin & King was a manufacturing company based in Melbourne, Australia. The company specialised in motor vehicle bodies and railway locomotives and rolling stock. History. The company was initially based in the Melbourne suburb of Armadale from at least 1948, later opening a plant for railway stock at Clayton in the 1950s. In 1959 a new plant was opened at Somerton, which was provided with its own railway siding. Clyde Engineering acquired a controlling interest in the company in 1954. The Somerton plant is today occupied by Downer Rail. Martin & King Martin & King was a manufacturing company based in