Exhibit 21.1
Present Subsidiaries
Entity Name: | State or Jurisdiction Of Incorporation | Percentage of Voting Securities Owned | |||
Teradyne Benelux, Inc. | Delaware | 100 | % | ||
Teradyne Canada Limited | Canada | 100 | % | ||
Teradyne (Shanghai) Co., Ltd | Peoples Republic of China | 100 | % | ||
Teradyne de Costa Rica S.A. | Costa Rica | 100 | % | ||
Teradyne Diagnostic Solutions Holdings Ltd. | United Kingdom | 100 | % | ||
Teradyne Diagnostic Solutions Ltd. | United Kingdom | 100 | % | ||
Teradyne Diagnostic Solutions Inc. | Delaware | 100 | %* | ||
Teradyne Diagnostic Solutions GmbH | Germany | 100 | %* | ||
Teradyne GmbH | Germany | 100 | % | ||
Teradyne Holdings Limited | United Kingdom | 100 | % | ||
Teradyne Limited | United Kingdom | 100 | %* | ||
Teradyne Assembly Holdings Ltd. | United Kingdom | 100 | %* | ||
Teradyne Assembly Limited | United Kingdom | 100 | %* | ||
Aegis Properties Limited | United Kingdom | 100 | %* | ||
Teradyne Hong Kong Ltd. | Delaware | 100 | % | ||
Teradyne Italia SrL | Italy | 100 | % | ||
Teradyne Japan Ltd. | Delaware | 100 | % | ||
Teradyne K.K. | Japan | 100 | %* | ||
Teradyne Asia Pte., Ltd. | Singapore | 100 | % | ||
Teradyne Korea Ltd. | Delaware | 100 | % | ||
Teradyne Malaysia, Ltd | Delaware | 100 | % | ||
Teradyne de Mexico S.A. de C.V. | Mexico | 100 | % | ||
Teradyne Netherlands Ltd. | Delaware | 100 | % | ||
Teradyne Philippines Limited | Delaware | 100 | % | ||
Teradyne Realty, Inc | Massachusetts | 100 | % | ||
Teradyne STD Korea Ltd. | Korea | 100 | % | ||
Teradyne SAS | France | 100 | % | ||
Teradyne Spain, Inc. | Delaware | 100 | % | ||
Teradyne Taiwan Ltd. | Delaware | 100 | % | ||
Teradyne Thailand Ltd. | Delaware | 100 | % | ||
GenRad, Inc. | Massachusetts | 100 | % | ||
GenRad A.B. | Sweden | 100 | %* | ||
GenRad S.A. | France | 100 | %* | ||
GenRad Holdings Limited | United Kingdom | 100 | %* |
GenRad Europe Limited | United Kingdom | 100 | %* | ||
Mitron Europe Limited | United Kingdom | 100 | %* | ||
Mastertech Automotive Ltd. | United Kingdom | 100 | %* | ||
Herco Technology Corp. | California | 100 | % | ||
Perception Laminates, Inc. | California | 100 | % | ||
1000 Washington, Inc | Massachusetts | 100 | % | ||
Teradyne (Sweden) AB | Sweden | 100 | % |
* | Indirect subsidiaries whose voting securities are 100% controlled by Teradyne, Inc. |