Oregon Iron Works, Inc. (OIW) is an American manufacturer of complex structural components and systems and specialized vehicles, located in the Clackamas area in the southeastern suburbs of Portland, Oregon (within the Portland metropolitan area).

Established in 1944, it is 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 has production facilities in Clackamas and in Vancouver, Washington,[4] and currently employs about 400 people.

[2] The company had signed a technology transfer agreement with Škoda, of the Czech Republic, in February 2006, enabling it to offer to build the already existing Škoda 10 T design, under license from the Czech manufacturer.

[8] The announcement of a second order for production-series vehicles soon followed, from the City of Tucson, Arizona.