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Americom Technology, Inc., formally known as United Cable Telephone Inc., was founded in 1981 as a partnership between Ronald J. Richter and Patrick W. Birkel, but has since taken on a third owner, Patrick J. Richter.
Essex Teliplex is a Sterling, IL-based company in the Telecommunications sector.
GTL USA is a Frisco, TX-based company in the Telecommunications sector.
oneBIZTONE is a Reading, PA-based company in the Telecommunications sector.
Wang Electro-Opto Corporation is a Marietta, GA-based company in the Telecommunications sector.