of St. Ann's Ironworks, Belfast.
of 51 Victoria Road, Darlington. (1921)
of 112-4 Sardinia House, Kingsway, London, WC1 (1937)
1860 Company founded.
1872 Private company.
1891 Selling one hundred of the 'Ulster Convector Stoves' each week.
1920 May. Issued catalogue on fans and fan engines. [1]
1937 Heating and ventilating engineers. [2]
1961 Fan, structural and heating engineers, manufacturing air conditioning plant, dust extraction plant, fans blowing and exhaust, fans ventilating, structural design fabrication and erection of all types of structural steelwork and heating engineers. [3]