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Higgins Tower Service Inc is a Milwaukee, WI-based company in the Telecommunications sector.
Cactus International is a Moscow, ID-based company in the Telecommunications sector.
CA Communications is a Hopkins, MN-based company in the Telecommunications sector.
Japan Telecom America is a Torrance, CA-based company in the Telecommunications sector.
Nokia Bell Labs (formerly named Bell Labs Innovations, AT&T Bell Laboratories and Bell Telephone Laboratories) is an American industrial research and scientific development company owned by Finnish company Nokia.