Naics code Naics title Naics description
332811 Metal Heat Treating This U.S. industry comprises establishments primarily engaged in heat treating, such as annealing, tempering, and brazing, and cryogenically treating metals and metal products for the trade.
332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) enameling, lacquering, and varnishing metals and metal products; (2) hot dip galvanizing metals and metal products; (3) engraving, chasing, or etching metals and metal products (except jewelry; personal goods carried on or about the person, such as compacts and cigarette cases; precious metal products (except precious plated flatware and other plated ware); and printing plates); (4) powder coating metals and metal products; and (5) providing other metal surfacing services for the trade. Included in this industry are establishments that perform these processes on other materials, such as plastics, in addition to metals.
332813 Electroplating, Plating, Polishing, Anodizing, and Coloring This U.S. industry comprises establishments primarily engaged in electroplating, plating, anodizing, coloring, buffing, polishing, cleaning, and sandblasting metals and metal products for the trade. Included in this industry are establishments that perform these processes on other materials, such as plastics, in addition to metals.
3329 Other Fabricated Metal Product Manufacturing This industry group comprises establishments primarily engaged in manufacturing fabricated metal products (except forgings and stampings, cutlery and handtools, architectural and structural metals, boilers, tanks, shipping containers, hardware, spring and wire products, machine shop products, turned products, screws, and nuts and bolts).
33291 Metal Valve Manufacturing This industry comprises establishments primarily engaged in manufacturing one or more of the following metal valves: (1) industrial valves; (2) fluid power valves and hose fittings; (3) plumbing fixture fittings and trim; and (4) other metal valves and pipe fittings.
332911 Industrial Valve Manufacturing This U.S. industry comprises establishments primarily engaged in manufacturing industrial valves and valves for water works and municipal water systems.
332912 Fluid Power Valve and Hose Fitting Manufacturing This U.S. industry comprises establishments primarily engaged in manufacturing fluid power valves and hose fittings.
332913 Plumbing Fixture Fitting and Trim Manufacturing This U.S. industry comprises establishments primarily engaged in manufacturing plumbing fixture fittings and trim of all materials, such as faucets, flush valves, and shower heads.
332919 Other Metal Valve and Pipe Fitting Manufacturing This U.S. industry comprises establishments primarily engaged in manufacturing metal valves (except industrial valves, fluid power valves, fluid power hose fittings, and plumbing fixture fittings and trim).
33299 All Other Fabricated Metal Product Manufacturing This industry comprises establishments primarily engaged in manufacturing fabricated metal products (except forgings and stampings, cutlery and handtools, architectural and structural metal products, boilers, tanks, shipping containers, hardware, spring and wire products, machine shop products, turned products, screws, nuts and bolts, and metal valves).