2022 NAICS national industry in sector 31-33 Manufacturing
332919 Other Metal Valve and Pipe Fitting Manufacturing
NAICS 332919 is the US industry code for other metal valve and pipe fitting manufacturing. This U.S.
- Code
- 332919 (2022 NAICS)
- Title
- Other Metal Valve and Pipe Fitting Manufacturing
- Part of
- Metal Valve Manufacturing
- SBA small business limit
- Up to 750 employees
- Closest UK SIC
- 24100, 28131, 28132 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
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).
Examples Census gives
- Aerosol valves manufacturing
- Firefighting nozzles manufacturing
- Lawn hose nozzles manufacturing
- Lawn sprinklers manufacturing
- Water traps manufacturing
- Metal hose couplings (except fluid power) manufacturing
- Metal pipe flanges and flange unions manufacturing
- Plumbing and heating inline valves (e.g., check, cutoff, stop) manufacturing
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing fluid power valves and hose fittings are classified in U.S. Industry 332912, Fluid Power Valve and Hose Fitting Manufacturing.
- Manufacturing industrial valves are classified in U.S. Industry 332911, Industrial Valve Manufacturing.
- Manufacturing plumbing fixture fittings and trim are classified in U.S. Industry 332913, Plumbing Fixture Fitting and Trim Manufacturing.
- Manufacturing plastics aerosol spray nozzles are classified in U.S. Industry 326199, All Other Plastics Product Manufacturing.
- Casting iron pipe fittings and couplings without machining are classified in U.S. Industry 331511, Iron Foundries.
- Manufacturing metal couplings from purchased metal pipe are classified in U.S. Industry 332996, Fabricated Pipe and Pipe Fitting Manufacturing.
- Manufacturing plastics pipe fittings and couplings are classified in U.S. Industry 326122, Plastics Pipe and Pipe Fitting Manufacturing.
Activities listed under 332919
The Census index assigns these 17 activities to this code. If your business matches one, this is your code.
- Aerosol valves manufacturing
- Boiler couplings and drains, plumbing and heating-type, manufacturing
- Breakers, vacuum, plumbing, manufacturing
- Couplings, hose, metal (except fluid power), manufacturing
- Elbows, pipe, metal (except made from purchased pipe), manufacturing
- Flanges and flange unions, pipe, metal, manufacturing
- Hose couplings, metal (except fluid power), manufacturing
- Lawn hose nozzles and lawn sprinklers manufacturing
- Nozzles, firefighting, manufacturing
- Nozzles, lawn hose, manufacturing
- Plumbing and heating inline valves (e.g., check, cutoffs, stop) manufacturing
- Sprinklers, lawn, manufacturing
- Steam fittings, metal, manufacturing
- Traps, water, manufacturing
- Unions, pipe, metal (except made from purchased pipe), manufacturing
- Valves, inline plumbing and heating (e.g., cutoffs, stop), manufacturing
- Water traps manufacturing
SBA size standard for 332919
To count as a small business for SBA loans and federal contracts under NAICS 332919, your business (including affiliates) must not exceed 750 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2410, 2813, 2819), so treat them as a starting point and check the definition.
- 24100Manufacture of basic iron and steel and of ferro-alloysUK SIC
- 28131Manufacture of pumpsUK SIC
- 28132Manufacture of compressorsUK SIC
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.