IES Holdings, Inc. engages in the design and installation of electrical and technology systems and the provision of infrastructure products and services to end markets including data centers, residential housing, and commercial and industrial facilities. The company is headquartered in Houston, Texas and currently employs 8,028 full-time employees. The firm's Communications segment provides technology infrastructure services, including the design, build, and maintenance of the communications infrastructure within data centers for co-location and managed hosting customers. Its Residential segment offers electrical installation services for single-family housing and multi-family apartment complexes, as well as heating, ventilation and air conditioning (HVAC) and plumbing installation services in certain markets. Its Infrastructure Solutions segment provides electro-mechanical solutions for industrial operations, including apparatus repair and custom-engineered products. Its Commercial & Industrial segment offers electrical and mechanical design, construction, and maintenance services to the commercial and industrial markets in certain areas of expertise.