Bonney Forge Corporation. Manufacturer of forged steel pipe fittings and valves. http://www.bonneyforge.com/

California Steel Industries, Inc. Steel supplier. Lines include hot rolled, pickled and oil, galvanized, cold rolled sheet, and eletric resistance welded pipe (ERW). http://www.californiasteel.com/

Fulgosi Welded steel tubes and fittings for oil, gas and petrochemical industry, as well as pig launcer and receiver traps. http://www.fulgosi.com/

Goodhart Sons, Inc. Steel fabricator and mechanical contractor handling a variety of projects that require steel fabrication, millwrighting, pipefitting, electrical, rigging, and insulation. http://www.goodhartsons.com/

Laminoirs de Longtain. Manufacturing welded tubes in square and rectangular sections. http://www.longtain.com/

Oregon Steel Mills. Diversified steel minimill manufacturing eight products, including specialty plate, pipe, rail, and rod. http://www.oregonsteel.com/

Pipe Industries Corporation. Fabricators and distributors of rolled & welded steel casing pipe. http://www.pipeindustries.com/

Young Jin Industrial Machinery. Exports EPS sandwich panels, PU polyurethane foams, glass wool and roll forming machines, and steel pipes and tubes. http://www.yjim.com/