The company was founded in 1876 by John James Royle, becoming a public company in 1900. The company specialised in steam related machinery and equipment such as feed water heaters, calorifiers, steam kettles, fresh water condensers, evaporators, steam traps, reducing valves, boiler mountings, water softening and filtering plants, steam and water appliances for public baths, iron and brass castings, copper work etc. The factory closed in the mid 1970s.