Eon Communications Corporation, 1703 Sawyer Rd, Corinth, MS 38834, US

Cortelco can trace its roots back to the Kellogg Switchboard and Supply Company that began operations in 1897 near Chicago. The company prospered as one of the pioneers in the mass production of telecommunications equipment. In 1952, the Kellogg Switchboard and Supply Company became a division of the International Telephone and Telegraph (ITT) Corporation. The company offers an expanding line of Smart Solution business telephone products and services for a range of business, corporate and university clients. Its feature-rich telephones that include Medallion, Colleague, Four-Line, Select, Sentry, Margate, Voyage, Patriot, ezTouch and Centurion brands. The company also offers basic, cordless, hospital, trend line, caller ID and conference telephones. Cortelco is headquartered in Corinth, Miss.