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NII Holdings, Inc. (formerly Nextel International) is a holding company that, through its various subsidiaries, provides iDEN-based mobile communications services under the Nextel brand in five Latin American countries including; Argentina, Brazil, Chile, Mexico and Peru.NII recently launched HSDPA-based 3G service in Mexico as planned expansion in other countries continues.
Fone Zone is a Crystal Lake, IL-based company in the Telecommunications sector.
Red Ball Internet is a Moncton, NB-based company in the Telecommunications sector.
AirVoice Wireless GSM is a Bloomfield Hills, MI-based company in the Telecommunications sector.
Bartley Machine & Mfg. Co. is a Amesbury, MA-based company in the Telecommunications sector.