EX-21.1 2 d835642dex211.htm EX-21.1

Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

As of September 30, 2014

Subsidiary |  | Jurisdiction of Incorporation
HK Engine Components, LLC |  | Indiana
ICS Holdings LLC |  | Arizona
IES Commercial, Inc. |  | Delaware
IES Commercial & Industrial, LLC |  | Delaware
IES Consolidation, LLC |  | Delaware
IES Management, LP |  | Texas
IES Management ROO, LP |  | Texas
IES Operations Group, Inc. |  | Delaware
IES Properties, Inc. |  | Delaware
IES Purchasing & Materials, Inc. |  | Delaware
IES Renewable Energy, LLC |  | Delaware
IES Residential, Inc. |  | Delaware
IES Shared Services, Inc. |  | Delaware
IES Subsidiary Holdings, Inc |  | Delaware
IES Tangible Properties, Inc. |  | Delaware
Integrated Electrical Finance, Inc. |  | Delaware
Key Electrical Supply, Inc. |  | Texas
Magnetech Industrial Services, Inc. |  | Indiana
Thomas Popp & Company |  | Ohio