Started in 1984 by Dr. Suhas Patil in Fremont, Calif., this integrated circuit components maker supplies parts often found in TVs and tablets to companies such as Sony, Samsung, and Philips. In 2011, Cirrus Logic's revenues climbed 67% to nearly $370 million, driven by an all-time company high in audio product sales. Sales to clients in Asia also continued to climb for the third year in a row. Behind the scenes, the company boosted its spending on research and development for the third year in a row and increased its engineering staff by 26% to match.
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