EX-21.1 9 a2188873zex-21_1.htm EXHIBIT 21.1
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Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

As of September 30, 2008

Subsidiary
  State of Incorporation

IES Industrial, Inc. 

   South Carolina

IES Residential, Inc. 

   Delaware

ICS Holdings LLC

  Delaware

IES Commercial, Inc. 

   Delaware

IES Management ROO, LP

  Texas

IES Management, LP

  Texas

IES Operations Group, Inc. 

   Delaware

IES Properties, Inc. 

   Delaware

IES Reinsurance, Ltd. 

   Bermuda

Integrated Electrical Finance, Inc. 

   Delaware

Key Electrical Supply, Inc. 

   Texas

Thomas Popp & Company

  Ohio

IES Tangible Properties, Inc. 

   Delaware

IES Purchasing and Materials, Inc. 

   Delaware

IES Consolidated LLC

  Delaware

IES Shared Services, Inc. 

   Delaware



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