Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 144,990 pages of information and 230,624 images on early companies, their products and the people who designed and built them.
13/16 Ropemaker Street, London, EC2 - Head Offices. 57/40 Victoria Street, London, SW1 and 29 Queen Victoria Street, London, EC4 - Showrooms. (1922)
of Shannon Corner, New Malden, Surrey. Telephone: Malden 3262. Cables: "Shannons, London," Also 15-19 Kingsway, London, WC2, and Provinces (1947)
1883 Company founded.
1899 The company was registered on 11 April, and is a second reconstruction of the Shannon File Co. 
1922 Listed Exhibitor - British Industries Fair. Manufacturers of Office Furniture, Filing and Card Recod Systems, Duplicators (Shannotype), Bookcases. (Stand No. B.41) 
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Shannograph Visible and Shannoblic Suspended Filing Systems, Visible Control Systems, Wooden Office Furniture, Equipment, File Perforators, Clips and File Fittings, Filing Supplies, Metal Pressd Goods. (Olympia Ground Floor, Stand No. B.1404) 
1961 Manufacturers and suppliers of lateral and suspended filing equipment, visible control systems and records, planned office furniture, visual programming boards and photocopying equipment. 550 employees.