Exhibit 21 NEWPORT CORPORATION Subsidiaries of Registrant State or Country Name of Subsidiary of Incorporation - ------------------ ---------------- Newport Domestic International Sales Corporation (Inactive) California Newport European Distribution Company California Newport Government Systems, Inc. (Inactive) California Environmental Optical Sensors, Inc. Colorado Newport Precision Optics Corporation New York Newport Photonics Packaging Services Corporation Delaware Micro-Controle Benelux S.A. (Inactive) Belgium Newport Instruments Canada Corporation Canada MC Holding S.A. France Micro-Controle S.A. France Newport GmbH Germany Micro-Controle Italia S.r.l. Italy Newport BV Netherlands Newport Instruments AG Switzerland Newport Ltd. United Kingdom Micro-Controle Holdings Ltd. (Inactive) United Kingdom Micro-Controle Ltd. (Inactive) United Kingdom Micro-Controle UK Ltd. (Inactive) United Kingdom Newport Foreign Sales Corporation Barbados Unique Equipment Company Arizona CE Johansson Newport AB Sweden CE Teknik AB Sweden CE Johansson GmbH Germany CE Johansson Ltd. United Kingdom CE Johansson S.r.l. Italy CE Johansson S.A. France Subsequent to December 31, 2000, the following became subsidiaries of the Registrant: Kensington Laboratories, Inc. California Design Technology Corporation Massachusetts