EX-21.1 3 d829718dex211.htm EX-21.1

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.