The United States will have 376 million mobile subscriber connections by 2014, with Verizon Wireless taking just over 1/3 of the market share, according to IE Market Research, a Canadian market intelligence and business strategy research and consulting firm.

The company’s report shows industry-average subscriber growth in the U.S. wireless market has held steady at between 5% and 6%, with Verizon, the largest operator, seeing its year-over-year subscriber growth decline from 7.9% in 2Q.2009 to 5.0% in 2Q.2010. Sprint-Nextel has been losing subscriber, with a year-over-year rate of -1.7% in 2Q.2010.

Positive EBITDA growth at both Verizon Wireless and AT&T Mobility in 2Q.2010. EBITDA growth rate (YoY) at Verizon Wireless was 7.8% in 2Q.2010, down from 9.4% in 2Q.2009. On the other hand, AT&T Mobility’s EBITDA growth was strong at 18.5% in 2Q.2010, up from 7.7% in 2Q.2009.

IE Market Research produces research reports on a variety of industries in markets around the world. The company’s Mobile Operator Forecast on the United States provides over 50 operational and financial metrics for the US wireless market, with 5-year forecasts at the operator level going out to 2014. Mobile network operators covered for the United States include: Verizon Wireless, AT&T Mobility LLC, Sprint Nextel Corporation, T-Mobile USA, Inc., Leap Wireless International, Inc. MetroPCS Communications, Inc., U.S. Cellular, and Cincinnati Bell Wireless.

Source: IE Market Research.