of Hampton Street, Birmingham (1952)
of Bedworth, Warwickshire
of 79-91 Lombard Street, Birmingham 12. Telephone: Midland 3117/8. Telegraphic Address: "Clear, 'Phone, Birmingham"
1927 Private company.
1937 Listed Exhibitor - British Industries Fair. Electric Horns. The Clear-Hooter. Motor and Motor Cycle. Cycle Horns. The Cycator Direction Indicators for Cycles. Dry Battery Horns and Direction Indicators for Toy Motors. Also Cycle Rear Lamps. (Stand Nos. Cb815 and Cb.714).
1946 Company made public.
1961 Electric horn manufacturers. 250 employees. 
1971 Patent - Directional Air-Discharging Nozzle for a Heating or Ventilating System.
1973 Patent - Ventilating Nozzle Including a Universally Swivellable Nozzle Member.