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 GmbH | Germany | 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. | Korea | 100 | % | |||
Teradyne Limited | United Kingdom | 100 | %* | |||
Teradyne Malaysia Sdn. Bhd. | Malaysia | 99 | %* | |||
Teradyne Philippines Limited | Delaware | 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, LLC | Delaware | 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 (Philippines) LLC | Delaware | 100 | %* | |||
Nextest Systems Corporation | Delaware | 100 | % | |||
Nextest Systems (Philippines) Corp. | Philippines | 99.9 | %* | |||
LitePoint Corporation | Delaware | 100 | % | |||
LitePoint Europe A/S | Denmark | 100 | %* | |||
LitePoint Technology Limited | Hong Kong | 100 | %* | |||
LitePoint Technology (Shanghai) Company Ltd. | Peoples Republic of China | 100 | %* | |||
LitePoint Japan K.K. | Japan | 100 | %* | |||
LitePoint Design Test, LLC | New Mexico | 100 | %* | |||
LitePoint Vietnam Limited | Socialist Republic of Vietnam | 100 | %* | |||
| * | Indirect subsidiaries whose voting securities are 100% controlled by Teradyne, Inc. |