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DataJack, Inc. is a wholly owned subsidiary of Quamtel, Inc. (OTCBB: QUMI), a public holding company headquartered in Dallas, Texas. Quamtel provides a comprehensive portfolio of advanced telecommunications technologies, enhanced service solutions and next generation broadband service. Quamtel operates in the U.S. and on a global scale through its subsidiaries DataJack, Inc. and WQN, Inc.
Endless Wireless Group is a Brooklyn, NY-based company in the Telecommunications sector.
BTI Communications Group is a Osseo, MN-based company in the Telecommunications sector.
Network Control Inc is a Waverly, IA-based company in the Telecommunications sector.
Tektone Sound & Signal Manufacturing is a Franklin, NC-based company in the Telecommunications sector.