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Xiptel is a Pleasanton, CA-based company in the Telecommunications sector.
IBC Worldwide is a Placentia, CA-based company in the Telecommunications sector.
Centerline Communications is a Canton, MA-based company in the Telecommunications sector.
Infinity Technology Inc is a Green Bay, WI-based company in the Telecommunications sector.
Verizon Communications Inc. is an American multinational telecommunications conglomerate and a corporate component of the Dow Jones Industrial Average.