Samsung to be the top handset manufacturer and Android Android software is powering nearly 42 percent of handsets in the U.S. as of July, industry tracker comScore reported on Tuesday.

The study surveyed more than 30,000 U.S. mobile subscribers and found Samsung to be the top handset manufacturer overall with 25.5 percent market share. Google Android continued to gain ground in the smartphone market reaching 41.8 percent market share.

Device manufacturer Samsung ranked as the top OEM with 25.5 percent of U.S. mobile subscribers (up 1.0 percentage points), followed by LG with 20.9 percent share and Motorola with 14.1 percent share. Apple strengthened its position at #4 with 9.5 percent share of mobile subscribers (up 1.2 percentage points), while RIM rounded out the top five with 7.6 percent share, according to comScore's data.

At the same period, Google Android ranked as the top smartphone platform with 41.8 percent market share, up 5.4 percentage points. Apple strengthened its #2 position with 27.0 percent of the smartphone market, up 1.0 percentage points from the prior reporting period. RIM ranked third with 21.7 percent share, followed by Microsoft (5.7 percent) and Symbian (1.9 percent).