Form: S-4

Registration of securities issued in business combination transactions

December 24, 2009

Exhibit 21.1
SUBSIDIARY LIST OF
TTM TECHNOLOGIES, INC.
     
Name of Subsidiary   State or Sovereign Power of Incorporation
TTM Technologies, Inc.
  Delaware
Power Circuits, Inc.
  California
TTM Advanced Circuits, Inc.
  Minnesota
TTM Printed Circuit Group, Inc.
  Delaware
TTM Technologies International, Inc.
  Delaware
TTM Technologies International (Switzerland) GmbH
  Switzerland
TTM Technologies (Ireland) Limited
  Ireland
TTM Technologies (Ireland) EU Limited
  Ireland
TTM Iota Limited
  Bermuda
TTM Technologies (Shanghai) Co. Ltd.
  China
TTM Hong Kong Limited
  Hong Kong