We’ve already reported the market share dominance by Research in Motion’s Blackberry smartphones – 37%. Microsoft’s Windows Mobile platform occupies the second place with 26%.

When it comes to carriers, judging by the number of subscribers, Verizon Wireless and AT&T dominate business subscriptions with AT&T slightly ahead of Verizon with about 1000 subscribers. Verizon, on the other hand, showed greater penetration among small companies.

Strategy Analytics also report that Symbian, Google Android and Apple’s iPhone are not serious contenders for US Business use.

“This research shows that the US market is consolidating, with many companies working primarily with AT&T, Verizon and, to a lesser extent, Sprint Nextel. RIM is clearly the leading smartphone business player, followed by Microsoft. What also emerges is that RIM customers expressed a lower willingness to churn than those on other platforms,” commented Andrew Brown, Director of Wireless Enterprise Strategies and author of the report.