NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 326122 — Plastics Pipe and Pipe Fitting Manufacturing

Plastics Pipe and Pipe Fitting Manufacturing

NAICS 326122 is the national industry code for plastics pipe and pipe fitting manufacturing establishments in the United States. The Small Business Administration sets a size standard of 750 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 750 View full SBA standard

Related industries in 32612 (Plastics Pipe, Pipe Fitting, and Unlaminated Profile Shape Manufacturing)

View parent 32612

326121

Unlaminated Plastics Profile Shape Manufacturing

Exclusions & Cross-References

Activities classified under other official NAICS codes:

manufacturing non-current-carrying plastic conduit (See 335930 Wiring device manufacturing (CAN))
manufacturing plastic hose (See 326220 Rubber and plastic hose and belting manufacturing)
manufacturing plastic plumbing fixtures (See 326191 Plastic plumbing fixture manufacturing (US))
manufacturing unsupported plastic tubing (See 326121 Unlaminated plastic profile shape manufacturing (US))

Complete Index of Activities (4 recognized activities) ▼

acrylonitrile-butadiene-styrene (ABS) and polyvinyl chloride (PVC) pipes, manufacturing

fittings and unions, rigid plastics pipe, manufacturing

pipe, rigid plastics, manufacturing

plumbing fixture fittings and trim, plastic, manufacturing

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/