IES Holdings, Inc. designs and installs integrated electrical and technology systems and provides infrastructure products and services in the United States. The Communications segment designs, builds, and maintains communications infrastructure within data centers for co-location and managed hosting customers; corporate, educational, financial, hospitality, and healthcare buildings; e-commerce distribution centers; and high-tech manufacturing facilities. It also designs and installs audio/visual, telephone, fire, and wireless access and intrusion alarm systems; and engages in designing/building, servicing, and maintaining data network systems.