Profile: Ershigs Inc. manufactures and installs corrosion-resistant products. Our products include stacks & chimney liners, piping systems, tanks, vessels & scrubbers, duct systems and valves. Tanks, vessels & scrubbers are used as absorbers, de-misters, air stripper towers, bleach towers and in other processing system applications. We offer fiberglass reinforced plastics (FRP). We serve for chemical processing, pulp & paper, waste water treatment, mining, smelting and petrochemical industry.