BRIEF HISTORY PROFILES OF TELEPHONE COMPANIES
Most of these are short, informal documents, intended as a brief introduction rather than detailed factual histories
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AEI history (mentioning Siemens Brothers).
Antwerp's twin phone makers, ATEA and BTMC.
BRITISH TELECOM privatisation.
CASWELL (one-time Plessey site, now the research base of Marconi Materials Technology).
Suppliers' names frequently CONFUSED
Main telephone manufacturers in GERMANY, 1930 and 1970.
ITT manufacturing in the USA.
Autumn 1999 and the PLESSEY name re-emerges in the UK.
SIEMENS in Germany and the UK.
British THOMSON HOUSTON Company (not a telephone company but included for completeness).
French THOMSON HOUSTON Company (which did make telephones).
WHEN IS A BELL NOT A BELL? Technology firms with 'Bell' in their title.