Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,103 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
of 261 Pentonville Road, King's Cross, London, N1. Telephone: Terminus 7960 and 7539. Cables: "Keytex, London". Telegrams: "Keytex, Nordo, London". (1947)
1939 The company was registered to carry on the business of leather merchants, electrical goods manufacturers and textile dealers.
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Cork Wedge Heels, Cork Heels, Platform Soles in Cork and Rubber and Cork Composition. Any article in Compressed and Natural Cork, Polishing Mops for technical purposes, Non-Metallic Washers, Gaskets Joints. (Earls court, 1st Floor, Stand No. 654) 
1960s Its interests included a wide range of car accessories, and the company manufactured heaters for cars, buses, coaches and other commercial vehicles, both of fresh-air and re-circulatory types. Motors were bought from AC-Delco.
Key-Leather supplied, under its own brand name, ammeters and water temperature and oil pressure gauges (class (vi)) obtained from AC-Delco.
For a time, Key-Leather imported oil combustion heaters and "motorised ventilators" for buses from Germany and France respectively.
1961 Those imports were discontinued and the company manufactured motorised ventilators. Key-Leather supplied some heaters to a heavy vehicle maker for initial equipment but most of its sales were to distributors and garages.
1963 Motor Show exhibitor. Accessories.