Integrated Electrical Services, Inc. (IES) is a provider of infrastructure services to the residential, commercial and industrial industries as well as for data centers and other mission critical environments. The Company operates primarily in the electrical infrastructure markets, with a corporate focus on expanding into other markets through strategic acquisitions or investments. The Company �s operations are organized into three business segments : Communications, Resident and Commercial and Industrial. In September 2013, Integrated Electrical Services, Inc. completed its acquisition of MISCOR Group, Ltd.