Naics code Naics crossreference
33299 Manufacturing cast iron pipe and fittings--are classified in Industry 33151, Ferrous Metal Foundries
33299 Manufacturing pipe system fittings (except cast iron couplings and couplings made from purchased pipe) and metal aerosol spray nozzles--are classified in Industry 33291, Metal Valve Manufacturing
33299 Manufacturing welded and seamless steel pipes from purchased steel--are classified in Industry 33121, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
33299 Manufacturing plastics plumbing fixtures and plastics portable chemical toilets--are classified in Industry 32619, Other Plastics Product Manufacturing
33299 Manufacturing vitreous and semivitreous pottery sanitary ware--are classified in Industry 32711, Pottery, Ceramics, and Plumbing Fixture Manufacturing
33299 Manufacturing blasting caps, detonating caps, and safety fuses--are classified in Industry 32592, Explosives Manufacturing
33299 Manufacturing fireworks--are classified in Industry 32599, All Other Chemical Product and Preparation Manufacturing
33299 Manufacturing metal furniture frames--are classified in Industry 33721, Office Furniture (including Fixtures) Manufacturing
33299 Manufacturing metal mechanically refrigerated drinking fountains--are classified in Industry 33341, Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
33299 Manufacturing metal foil bags--are classified in Industry 32222, Paper Bag and Coated and Treated Paper Manufacturing