Exhibit 21.1
Present Subsidiaries
Entity Name: | State or Jurisdiction Of Incorporation | Percentage of Voting Securities Owned | |||
Teradyne (Asia) Pte., Ltd. | Singapore | 100 | %* | ||
Teradyne Canada Limited | Canada | 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 GmbH | Germany | 100 | %* | ||
Teradyne Hong Kong Ltd. | Delaware | 100 | % | ||
Teradyne (India) Engineering Private Ltd. | India | 100 | %* | ||
Teradyne International Holdings B.V. | The Netherlands | 100 | % | ||
Teradyne Italia SrL | Italy | 100 | %* | ||
Teradyne K.K. | Japan | 100 | % | ||
Teradyne Korea Ltd. | Delaware | 100 | % | ||
Teradyne Limited | United Kingdom | 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 STD Korea Ltd. | Korea | 100 | % | ||
Teradyne SAS | France | 100 | % | ||
Teradyne (Shanghai) Co., Ltd | Peoples Republic of China | 100 | %* | ||
Teradyne Taiwan Ltd. | Delaware | 100 | % | ||
Teradyne Thailand Ltd. | Delaware | 100 | % | ||
GenRad, Inc. | Massachusetts | 100 | % | ||
GenRad A.B. | Sweden | 100 | %* | ||
Herco Technology Corp. | California | 100 | % | ||
P.L.S.T., Inc. (f/k/a Perception Laminates, Inc.) | California | 100 | % | ||
Eagle Test Systems, Inc. | Delaware | 100 | % | ||
Eagle Test Systems – Malaysia, Inc. | Delaware | 100 | %* | ||
Eagle Test Systems (Philippines) LLC | Delaware | 100 | %* | ||
Eagle Test Systems (Taiwan) LLC | Delaware | 100 | %* | ||
Eagle Test Systems GmbH | Germany | 100 | %* | ||
Eagle Test Systems Italy S.r.l. | Italy | 100 | %* | ||
Eagle Test Systems (Suzhou) Co., Ltd. | Peoples Republic of China | 100 | %* | ||
Eagle Test Systems, YH | Korea | 100 | %* | ||
Eagle Test Systems Pte. Ltd. | Singapore | 100 | %* | ||
Nextest Systems Corporation | Delaware | 100 | % | ||
Nextest Systems Europe SrL | Italy | 100 | %* | ||
Nextest Systems France SARL | France | 100 | %* | ||
Nextest Systems Japan K.K. | Japan | 100 | %* | ||
Nextest Systems Korea Co. Ltd. | Korea | 100 | %* | ||
Nextest Systems (Philippines) Corp. | Philippines | 100 | %* | ||
Nextest Systems (Thailand) Ltd. | Thailand | 100 | %* | ||
Nextest Systems UK Ltd. | United Kingdom | 100 | %* |
* | Indirect subsidiaries whose voting securities are 100% controlled by Teradyne, Inc. |