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Clickatell is a Redwood City, CA-based company in the Telecommunications sector.
Cellet is a Santa Fe Springs, CA-based company in the Telecommunications sector.
MetroPCS is a brand of prepaid wireless service in the United States, owned by T-Mobile US. MetroPCS offers nationwide Talk, Text and Data using T-Mobile's GSM, HSPA+ and 4G LTE network. MetroPCS also currently operates on the fifth largest mobile telecommunications network in the United States with 9.5 million subscribers as of January 2012, using CDMA technology in addition to its 4G network using LTE.
DoCoMo Communications Laboratories USA, Inc. is a Palo Alto, CA-based company in the Telecommunications sector.
Arch Paging is a Houston, TX-based company in the Telecommunications sector.