This U.S. industry comprises establishments primarily engaged in fabricating, such as cutting, threading, and bending, metal pipes and pipe fittings made from purchased metal pipe.
Manufacturing cast iron pipe and fittings--are classified in U.S. Industry 331511, Iron Foundries; Manufacturing pipe system fittings (except cast iron couplings and couplings made from purchased pipe)--are classified in U.S. Industry 332919, Other Metal Valve and Pipe Fitting Manufacturing; and Manufacturing welded and seamless steel pipes from purchased steel--are classified in Industry 331210, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel.