Naics code Naics crossreference
33291 Manufacturing plastics aerosol spray nozzles--are classified in Industry 32619, Other Plastics Product Manufacturing
33291 Casting iron pipe fittings and couplings without machining--are classified in Industry 33151, Ferrous Metal Foundries
33291 Manufacturing plastics pipe fittings and couplings--are classified in Industry 32612, Plastics Pipe, Pipe Fitting, and Unlaminated Profile Shape Manufacturing.
332911 Manufacturing fluid power valves--are classified in U.S. Industry 332912, Fluid Power Valve and Hose Fitting Manufacturing
332911 Manufacturing plumbing and heating inline valves--are classified in U.S. Industry 332919, Other Metal Valve and Pipe Fitting Manufacturing.
332912 Manufacturing fluid power cylinders--are classified in U.S. Industry 333995, Fluid Power Cylinder and Actuator Manufacturing
332912 Manufacturing fluid power pumps--are classified in U.S. Industry 333996, Fluid Power Pump and Motor Manufacturing
332912 Manufacturing intake and exhaust valves for internal combustion engines--are classified in Industry 336310, Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
332912 Manufacturing industrial-type valves--are classified in U.S. Industry 332911, Industrial Valve Manufacturing
332912 Manufacturing plumbing and heating inline valves--are classified in U.S. Industry 332919, Other Metal Valve and Pipe Fitting Manufacturing.