2022 NAICS national industry in sector 31-33 Manufacturing
332913 Plumbing Fixture Fitting and Trim Manufacturing
NAICS 332913 is the US industry code for plumbing fixture fitting and trim manufacturing. This U.S.
- Code
- 332913 (2022 NAICS)
- Title
- Plumbing Fixture Fitting and Trim Manufacturing
- Part of
- Metal Valve Manufacturing
- SBA small business limit
- Up to 1,000 employees
- Closest UK SIC
- 24200, 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 plumbing fixture fittings and trim of all materials, such as faucets, flush valves, and shower heads.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing metal shower rods are classified in U.S. Industry 332999, All Other Miscellaneous Fabricated Metal Product Manufacturing.
- Manufacturing fire hose nozzles, lawn hose nozzles, water traps, metal hose couplings (except fluid power), and plumbing and heating inline valves are classified in U.S. Industry 332919, Other Metal Valve and Pipe Fitting Manufacturing.
Activities listed under 332913
The Census index assigns these 12 activities to this code. If your business matches one, this is your code.
- Antiscald bath and shower valves, plumbing, manufacturing
- Backflow preventers, plumbing, manufacturing
- Cocks, drain, plumbing, manufacturing
- Drain cocks, plumbing, manufacturing
- Faucets, plumbing, manufacturing
- Flush valves, plumbing, manufacturing
- Plumbing fittings and couplings (e.g., compression fittings, metal elbows, metal unions) manufacturing
- Plumbing fixture fittings and trim, all materials, manufacturing
- Shower heads, plumbing, manufacturing
- Spigots, plumbing fixture fitting, manufacturing
- Stopcock drains, plumbing, manufacturing
- Supply line assemblies, plumbing (i.e., flexible hose with fittings), manufacturing
SBA size standard for 332913
To count as a small business for SBA loans and federal contracts under NAICS 332913, your business (including affiliates) must not exceed 1,000 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: 2220, 2420, 2813), so treat them as a starting point and check the definition.
- 24200Manufacture of tubes, pipes, hollow profiles and related fittings, of steelUK 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.