EXHIBIT 21: SUBSIDIARIES OF THE REGISTRANT



|                                         |  |                                               |  |           |  
|---------------------------------------- |  | --------------------------------------------- |  | --------- | -
|Name of Subsidiary                       |  | State or other Jurisdiction inwhich organized |  | Ownership |  
|Aero-Motive Company                      |  | State of Michigan                             |  | 100       | %
|Aero-Motive (U.K.) Limited               |  | United Kingdom                                |  | 100       | %
|Advanced Interconnect, Inc.              |  | State of Delaware                             |  | 100       | %
|Central Rubber Company                   |  | State of Illinois                             |  | 100       | %
|DW Holding, L.L.C.                       |  | State of Delaware                             |  | 100       | %
|Daniel Woodhead Company                  |  | State of Delaware                             |  | 100       | %
|Deerfield Partners C.V.                  |  | The Netherlands                               |  | 100       | %
|I.M.A. S.r.l.                            |  | Italy                                         |  | 100       | %
|mPm S.r.l.                               |  | Italy                                         |  | 100       | %
|mPm Limited                              |  | United Kingdom                                |  | 100       | %
|WH One, LLC                              |  | State of Delaware                             |  | 100       | %
|WH Two, LLC                              |  | State of Delaware                             |  | 100       | %
|Woodhead Asia Pte. Ltd.                  |  | Singapore                                     |  | 100       | %
|Woodhead Canada Limited                  |  | Province of Nova Scotia                       |  | 100       | %
|Woodhead Connectivity Limited            |  | United Kingdom                                |  | 100       | %
|Woodhead Connectivity GmbH               |  | Germany                                       |  | 100       | %
|Woodhead Connectivity, S.A.S.U.          |  | France                                        |  | 100       | %
|Woodhead de Mexico S.A. de C.V.          |  | Mexico                                        |  | 100       | %
|Woodhead Finance Company                 |  | Province of Nova Scotia                       |  | 100       | %
|Woodhead France S.A.R.L.                 |  | France                                        |  | 100       | %
|Woodhead International B.V.              |  | The Netherlands                               |  | 100       | %
|Woodhead Japan Corporation               |  | Japan                                         |  | 100       | %
|Woodhead L.P.                            |  | State of Texas                                |  | 100       | %
|Woodhead Software & Electronics S.A.S.U. |  | France                                        |  | 100       | %
|Woodhead Software & Electronics GmbH.    |  | Germany                                       |  | 100       | %
|Micromedia S.A.                          |  | France                                        |  | 33        | %
|Euroview Services S.A.                   |  | France                                        |  | 37        | %