Founded in 1901, Columbia Steel is a worldwide leading manufacturer of steel alloy and iron alloy impact, wear and heat resis ... tant replacement parts for basic industry. Industries served include: aggregate, hard rock mining, dragline mining, metal recycling (shredding), cement manufacturing, coal-fired power, and more. Columbia Steel employees work closely with customers to provide optimized parts through improved designs and superior materials. Columbia Steel manufactures parts in a broad variety of wear and heat resistant alloys, fully heat treated and machined to the most exacting specifications. Every step from engineering and pattern making to casting, machining, heat treating and quality assurance all take place in one integrated manufacturing facility. All parts are made at Columbia Steel's 86-acre Portland, Oregon USA facility. read more