2022 NAICS national industry in sector 31-33 Manufacturing
327332 Concrete Pipe Manufacturing
NAICS 327332 is the US industry code for concrete pipe manufacturing. This U.S.
- Code
- 327332 (2022 NAICS)
- Title
- Concrete Pipe Manufacturing
- Part of
- Concrete Pipe, Brick, and Block Manufacturing
- SBA small business limit
- Up to 750 employees
- Closest UK SIC
- 23910, 23990 (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 concrete pipe.
Activities listed under 327332
The Census index assigns these 9 activities to this code. If your business matches one, this is your code.
- Conduits, concrete, manufacturing
- Culvert pipe, concrete, manufacturing
- Cylinder pipe, prestressed concrete, manufacturing
- Irrigation pipe, concrete, manufacturing
- Pipe, concrete, manufacturing
- Precast concrete pipe manufacturing
- Pressure pipe, reinforced concrete, manufacturing
- Prestressed concrete pipes manufacturing
- Sewer pipe, concrete, manufacturing
SBA size standard for 327332
To count as a small business for SBA loans and federal contracts under NAICS 327332, 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: 2395), so treat them as a starting point and check the definition.
- 23910Production of abrasive productsUK SIC
- 23990Manufacture of other non-metallic mineral products n.e.c.UK 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.