Ameron International Corporation (Ameron) is a multinational manufacturer of engineered products and materials for the chemical, industrial, energy, transportation and infrastructure markets. It has three segments: Fiberglass-Composite Pipe Group, Water Transmission Group and Infrastructure Products Group. The Fiberglass-Composite Pipe Group manufactures and markets filament-wound and molded fiberglass pipe, tubing, fittings and well screens.The Water Transmission Group manufactures and supplies concrete and steel pressure pipe, concrete non-pressure pipe, protective linings for pipe and fabricated steel products, such as large-diameter wind towers. The Infrastructure Products Group consists of two operating segments, which are aggregated: the Hawaii Division and the Pole Products Division. In October 2007, Ameron acquired the business of Polyplaster, Ltda., a Brazilian fiberglass-pipe operation.