The company operates a variety of
steel production facilities. These include a plate mill at their OSM Rolling Mill at the Portland Steelworks in Portland, Oregon. OSM manufactures
armor plating for the U.S. military. Also at the Portland Steelworks is OSM Tubular that makes
pipes for use in areas such as oil and natural gas transmission, this plant was closed in 2015. Oregon Steel's Canadian operations also produce tubular steel products. In Oregon, OSM also operates a structural tubing facility, the only producer in the Northwest, this plant was sold in 2015. In Colorado, OSM's Rocky Mountain Steel subsidiary operates three production facilities. One facility makes rails for
railroads, one rods and bars for construction, and the third plant manufactures seamless pipes. These facilities were part of the
Colorado Fuel and Iron Company, founded in 1881 and bought by OSM in 1993. ==References==