Oregon Iron Works, Inc. (OIW) was an American manufacturing company based in Clackamas, Oregon. Established in 1944, it was involved in a number of different industries, supplying products ranging from high-speed boats for military use to purpose-built girders for roadway bridges. It had production facilities in Clackamas and Vancouver, Washington. In May 2014, the company announced that it was merging with Portland-based Vigor Industrial. Vigor announced that it would be shutting down its complex fabrication operations at the former Oregon Iron works in 2025.