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CTC Union Technologies Co. is a Ambler, PA-based company in the Telecommunications sector.
Ascom Inc is a Holland, MI-based company in the Telecommunications sector.
C2 Global Technologies Inc is a Toronto, ON-based company in the Telecommunications sector.
PT-1 Communications is a Flushing, NY-based company in the Telecommunications sector.
Ironton Telephone Company, founded in 1909 and providing telephone service in the 610-799 and 610-769 exchanges in Lehigh Valley, Pennsylvania.