$23.93-1.93For nearly 30 years, Corrpro has been a leading provider of cathodic protection systems and engineering services. As a subsidiary of Aegion Corporation , Corrpro offers corrosion solutions for pipelines, refineries, above and underground storage tanks and for every industrial market including water, wastewater, concrete, infrastructure, offshore and marine.© 2014 Corrpro Companies, Inc. more... See more text