Profile: Pacific Corrugated Pipe Co. produces drainage industry products. We specialize in bridge replacement, culvert crossings and special conveyance applications. Our corrugated metal pipe is available in galvanized steel, aluminized steel, polymer coated steel and aluminum alloy. Our corrugated metal pipe is used extensively in flood control, drainage and sewer systems. Our trishield steel ribbed polyethylene pipe combines smooth wall hydraulics and the structural strength of steel with the corrosion and abrasion resistance of high-performance engineered polyethylenes.