Consolidated Pneumatic Tool Co
From Graces Guide
of Egyptian House, 170 Piccadilly, London and Fraserburgh.
1900 Private company.
1907 Chairman and Managing Director is F. D. Johnson
1914 Manufacturers of Air Compressors and Pneumatic and Electric Labour-saving Appliances. Specialities: Air Compressors and Receivers; Boyer and Keller Pneumatic Hammers for Chipping, Caulking, Riveting and Stone Work; Pneumatic Sand Rammers and Shakers; Little Giant, New Giant and Boyer Pneumatic Drills, Grinders and Hoists; Electric Drills, Hoists Grinders and Blowers; Rock Drills and Ore-boring Machines; C.P.T. Commercial Vans, Indiarubber Hose Pipe etc. 
1913-1917 For a list of the models and prices of Petrol Motor Commercial Vehicles see the 1917 Red Book under the C. P. T. name.
1920 April. Portable Pneumatic Plant for Welding Work. 
1920 September. Exhibited at the Machine Tool and Engineering Exhibition at Olympia with electric tools including a grinder. 
1922 The London office was the Egyptian House, 170 Piccadilly, WI. The company changed the address of the Bombay Office to Amarchand Building (Block No I, First Floor), Ballard-road, Fort, Bombay.
1937 Pneumatic and electric tools and air compressors. 
1961 Manufacturers of pneumatic and electric tools. 
1963 Motor Show exhibitor. Compressed air tools. 
1968 Mobile drilling equipment (of 97-107 Uxbridge Road, London, W5).