IES Holdings designs and installs integrated electrical and technology systems. Co.'s segments are: Communications, which is a provider of network infrastructure solutions for data centers and other environments; Residential, which is a provider of electrical installation services, as well as heating, ventilation and air conditioning and plumbing installation services, and cable television installations; Infrastructure Solutions, which provides electro-mechanical solutions for industrial operations to domestic and international customers; and Commercial and Industrial, which provides electrical and mechanical design, service, and construction services to commercial and industrial markets.