CEI is seen as one of IES's biggest rivals. CEI is headquartered in San Jose, California, and was founded in 1954. Like IES, CEI also works within the Industrial Goods & Services sector. CEI generates 70% the revenue of IES.
Walker TX Holding Company, Inc. is seen as one of IES's top competitors. Walker TX Holding Company, Inc. was founded in 1981, and its headquarters is in Irving, Texas. Walker TX Holding Company, Inc. operates in the Electric, Water & Gas Utilities industry. Walker TX Holding Company, Inc. has 5,930 fewer employees than IES.