LG, Motorola, Apple and RIM are other players in top five
Digital market tracker comScore has said that Samsung has become the top handset manufacturer overall with 25.3% market share in the US in August.
comScore said that Google Android continued to gain ground in the smartphone market reaching 43.7% market share.
The company released data from the comScore MobiLens service, reporting key trends in the U.S. mobile phone industry during the three month average period ending August 2011.
The study surveyed more than 30,000 U.S. mobile subscribers.
The study found that for the three-month average period ending in August, 234 million Americans age 13 and older used mobile devices.
Samsung ranked as the top OEM with 25.3% of U.S. mobile subscribers (up 0.5 percentage points from the prior three-month period), followed by LG with 21% share and Motorola with 14% share.
Apple strengthened its position at No.4 with 9.8% share of mobile subscribers (up 1.1 percentage points), while RIM rounded out the top five with 7.1% share, said comScore.
Smartphones sales grew in the US in August with 84.5 million people buying smartphones during the three months ending in August, up 10% from the preceding three month period.
Google Android ranked as the top smartphone platform with 43.7% market share, up 5.6 percentage points from the prior three-month period, said comScore. It added that Apple strengthened its No.2 position, growing 0.7 percentage points to 27.3% of the smartphone market. RIM ranked third with 19.7% share, followed by Microsoft (5.7%) and Symbian (1.8%).