Lists & Rankings: Top Ten U.S. Wireless Service Providers

From the list:

1) AT&T Mobility
2) Verizon
3) Sprint

From the article:

AT&T Mobility maintained its position as the industry’s No. 1 carrier, ending last year with just over 70 million subscribers. The carrier’s growth included the acquisition of Dobson Communications Corp., which added 1.7 million customers to its base.

Source: RCR Wireless