Skyworks Solutions, Inc. and Subsidiaries EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT Name Jurisdiction Of Incorporation - ---- ----------------------------- Aimta, Inc. California Alpha FSC, Inc. Barbados Alpha Industries GmbH Germany Alpha Industries Limited England Alpha Securities Corporation Massachusetts CFP Holding Company, Inc. Washington 4067959 Canada, Inc. Canada Conexant Systems SA de CV Mexico Skyworks Semiconductor France Skyworks Solutions Worldwide, Inc. Delaware Skyworks Solutions Co., Ltd. Japan Skyworks Solutions OY Sales Finland Skyworks Solutions Korea Ltd. Korea Skyworks Solutions Ltd. United Kingdom Trans-Tech, Inc. Maryland