of North Evington, Leicester. London office at Queen Victoria Street. Telephone: Leicester 6484. Cables: "Typewriter, Leicester" (1929)
of East Park Road, Leicester. London office at Kingsway, WC2. Telephone: Leicester 27801 (5 lines). Cables: "Typewriter, Leicester". (1947)
Formerly the Moya Typewriter Co
1908 Name changed to present style.
1908 Private company. The machine was first marketed.
1914 Manufacturers of the "Imperial" typewriter. 
1919 Imperial typewriter Model D. 
1922 Listed Exhibitor - British Industries Fair. Manufacturers of a Standard Typewriter with instantly changeable typebars and keyboard. Special keyboards made for engineers, chemists, etc., in all languages. (Stand No. K.82) 
1929 British Industries Fair Advert for the Imperial Typewriter. Manufacturers of "Imperial" Standard typewriters, also Portable Typewriters. Models fitted with interchangeable carriages, platens and type units of 96 characters. Special keyboards for all languages. (Stationery Section - Stand Nos. R2 and R.156) 
1947 British Industries Fair Advert for Imperial Typewriters - Keys of Industry. Manufacturers of Imperial Standard typewriters with and English and Foreign Keyboards, Interchangeable Type-unit, Carriage and Platen. Continuous Stationery and other Special Purpose Models: also "Good Companion" Portable Typewriters. (Office Appliances Section - Olympia, Ground Floor, Stand No. C.1536b) 
1950 Advert on this page. 
1953 Company made public.
1961 Manufacturers of Imperial electric, standard and portable typewriters, and office machinery for invoicing, cheque-writing and other special purposes. Also manufacture typewriter accessories. 2,500 employees. 
1966 The Imperial Typewriter Company Ltd became a wholly owned subsidiary company of Litton Industries of USA. The parent transferred production of Royal typewriters from USA to Hull, which increased the size of the factory considerably.
1975 Factories continued to make losses and were threatened with closure