Communication Systems
of Liverpool.
1947 Private company incorporated as a subsidiary of Automatic Telephone and Electric Co, to market, on simple rental terms, the private automatic telephone exchanges and intercommunication telephone equipment manufactured both by its parent company and subsidiaries. Had branches and maintenance depots in all parts of Great Britain.
1961 Manufacturers and distributors of automatic telephone equipment, inter-communication (press button) telephone, sound distribution and amplification equipment. 420 employees. [1]