EXHIBIT 21 MTS SYSTEMS CORPORATION AND SUBSIDIARIES OF THE COMPANY Incorporation Name Jurisdiction MTS Systems (Hong Kong) Inc. Minnesota, U.S.A. MTS Testing Systems (Canada) Ltd. Canada MTS Systems GmbH Germany MTS Sensor Technologie GmbH and Co. KG Germany MTS Systems France MTS Holdings France, SARL France MTS (Japan) Ltd. Japan MTS Sensor Technology K.K. Japan MTS Systems Limited (UK) United Kingdom MTS Systems SRL (Italy) Italy MTS International, Ltd. West Indies MTS Systems Norden AB Sweden MTS Systems do Brasil, Ltda. Brazil MTS Systems (China) Inc. Minnesota, U.S.A. MTS Korea, Inc. Republic of Korea MTS Systems (Singapore) Pte Ltd Singapore MTS Services Ltd Japan MTS Automotive Sensors GmbH Germany MTS Sensor Technology Verwaltungs GmbH and Co. KG Germany MTS Systems Holding for Europe GmbH Germany Customer Servo Motors Antriebstechnik Verwaltungs GmbH Germany Custom Servo Motors Antriebstechnik GmbH & Co. KG Germany AeroMet Corporation Minnesota, U.S.A