Integrated Electrical Services, Inc. is a holding company that owns and manages subsidiaries operating across a range of end markets. The Company operates through four segments: Communications, Residential, Commercial & Industrial, and Infrastructure Solutions. The Company's Communications segment is a provider of technology infrastructure services to the corporations and independent businesses. The Residential segment is a regional provider of electrical installation services for single-family housing and multi-family apartment complexes. The Commercial & Industrial segment is a provider of electrical design, construction and maintenance services to the commercial and industrial markets in various regional markets and nationwide. The Infrastructure Solutions segment is a provider of electrical and mechanical solutions to domestic and international customers.