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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.
Leica Camera AG is a Northvale, NJ-based company in the Telecommunications sector.
Preferred Paging & Wireless is a Saint Ann, MO-based company in the Telecommunications sector.
PhoneReview Inc is a Mineola, NY-based company in the Telecommunications sector.
AsiaPacific Materials is a Fairfax, VA-based company in the Telecommunications sector.