W.G. Pye & Company, Ltd.
1896 - 1928
W.G. Pye and Co. was founded by William George Pye in 1896. They specialized in optical instruments, and expanded into radio in the 1920s with the help of William's son Harold. Pye Radio was spun off in 1929.
"William George Pye and Harold John Pye," Essex Family History, http://www.essex-family-history.co.uk/pye.htm (accessed 03/10/2015)