Top 10 MEMS vendors in 2014 by revenue. Source: IHS.InvenSense # 8
InvenSense was the fastest growing company in the top 10 with a 34 percent jump in MEMS sales to $332 million. The vast majority of his jump comes from a win for its 6-axis motion combo sensor in the iPhone 6 and 6+.
ST drops in 2014 MEMS ranking, says IHS - Electronics Eetimes


