IES is traded on the Nasdaq under the symbol IESC, with multiple operating divisions and over 3,000 employees nationwide. To learn more, please visit IES Holdings, Inc. IES Commercial & Industrial operates diverse business units across the United States, each focusing on distinct market segments and geographies, with some business units operating nationally. Headquartered in Houston, IES Commercial & Industrial has multiple offices and over 1,000 U.S. employees. As a group, IES Commercial & Industrial operates in most of the commercial and industrial market space.