EX-21 2 powl-ex21_20130930610.htm EX-21.1

EXHIBIT 21.1

SUBSIDIARIES OF POWELL INDUSTRIES, INC.

Name of Subsidiary |  | Incorporated
Powell Industries, Inc. |  | Delaware
Powell Electrical Systems, Inc. |  | Delaware
Transdyn, Inc. |  | Delaware
Powell Industries International, Inc. |  | Delaware
Powell Industries Asia, Inc. |  | Delaware
Powell International Europe B.V. |  | Netherlands
Switchgear & Instrumentation Ltd |  | United Kingdom
Switchgear & Instrumentation Properties Ltd |  | United Kingdom
Powell Canada B.V. |  | Netherlands
Powell Canada Inc. |  | Canada
Powell Industries International B.V. |  | Netherlands