Exhibit 21.1
Present Subsidiaries
Entity Name: | State or Jurisdiction Of Incorporation | Percentage of Voting Securities Owned | |||
Teradyne Benelux, Inc. (Ltd.) | Delaware | 100 | % | ||
Teradyne Canada Limited | Canada | 100 | % | ||
Teradyne Connection Systems de Mexico, S.A. de C.V. | Mexico | 100 | % | ||
Teradyne Connection Systems SDN BHD | Malaysia | 100 | % | ||
Teradyne (Shanghai) Co., Ltd | Peoples Republic of China | 100 | % | ||
Teradyne de Costa Rica S.A. | Costa Rica | 100 | % | ||
Teradyne Diagnostic Solutions Ltd | United Kingdom | 100 | % | ||
Teradyne Diagnostic Solutions Inc | Delaware | 100 | %* | ||
Teradyne Diagnostic Solutions GmbH | Germany | 100 | %* | ||
Teradyne Diagnostic Solutions S.A.S. | France | 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 International, Ltd | Barbados | 100 | % | ||
Teradyne Ireland Limited | Ireland | 100 | % | ||
Teradyne Italia SrL | Italy | 100 | % | ||
Teradyne Japan, Ltd | Delaware | 100 | % | ||
Teradyne KK | Japan | 100 | %* | ||
Teradyne Singapore, Ltd. | Singapore | 100 | % | ||
Teradyne Korea, Ltd | Delaware | 100 | % | ||
Teradyne Malaysia, Ltd | Delaware | 100 | % | ||
Teradyne de Mexico, SA de CV | Mexico | 100 | % | ||
Teradyne Netherlands, Ltd | Delaware | 100 | % | ||
Teradyne Philippines Limited | Delaware | 100 | % | ||
Teradyne Realty, Inc | Massachusetts | 100 | % | ||
Teradyne SAS | France | 100 | % | ||
Teradyne Scandinavia, Inc | Delaware | 100 | % | ||
Teradyne Singapore, Ltd | Delaware | 100 | % | ||
Teradyne Spain, Inc | Delaware | 100 | % | ||
Teradyne Taiwan, Ltd | Delaware | 100 | % | ||
Teradyne Thailand Ltd | Delaware | 100 | % | ||
GenRad, Inc. | Massachusetts | 100 | % | ||
GenRad AB | Sweden | 100 | %* | ||
GenRad SA | 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 | %* | ||
Motor Industry Services Ltd | United Kingdom | 100 | %* | ||
Herco Technology Corp. | California | 100 | % | ||
Perception Laminates, Inc. | California | 100 | % | ||
TCMS, Inc. | Delaware | 100 | % | ||
1000 Washington, Inc | Massachusetts | 100 | % |
* Indirect subsidiaries whose voting securities are 100% controlled by Teradyne, Inc.