Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,439 pages of information and 211,690 images on early companies, their products and the people who designed and built them.
of 94 Jermyn Street, Piccadilly, London, SW1. Telephone: Gerrard 2408, Cables: "Econasign, Jermyn Street." (1929)
of 92 Victoria Street, London, SW1 Telephone: Victoria 5662. Cables: "Econasign, London". (1947)
1929 Listed Exhibitor - British Industries Fair. Manufacturers of the "Econasign" Outfits for printing Showcards, Price Tickets, Posters, Labels, etc. Suitable for all Businesses, Architects, Draughtsmen, etc. These outfits will produce most artistic showcards, etc., by a simple operation of printing by means of transparent stencils. (Stand No. PP.11) 
1933 Patent - Improvements in paper or like sheet supports for use in stencilling and other purposes. 
1947 Listed Exhibitor - British Industries Fair. Manufacturer of "Econasign" Stencilling Outfits for the production of Showcards, Notices, Price Tickets, Printing on Plans, etc. (Olympia, 1st Floor, Stand No. H.2180)