Champion Sparking Plug Co
of 83 Pall Mall, London, SW1 (1937)
of Feltham (1963)
1899 Albert Champion, a champion bicycle racer, left his native France for Boston, Massachusetts.
Albert turned his hobby of making spark plugs into a business: The Champion Ignition Co.
1905 Albert Champion split with his investors, who kept the Champion Ignition Company name.
1937 Sparking plug manufacturers. "Champion" Sparking Plugs. 
1963 Motor Show exhibitor. Spark plugs.