326191 — Plastics Plumbing Fixture Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in manufacturing plastics or fiberglass plumbing fixtures. Examples of products made by these establishments are plastics or fiberglass bathtubs, hot tubs, portable toilets, and shower stalls (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Assembling plastics components into plumbing fixture fittings, such as faucets--are classified in U.S.
- Industry 332913, Plumbing Fixture Fitting and Trim Manufacturing; and
- Manufacturing plastics pipe and pipe fittings--are classified in U.S. Industry 326122, Plastics Pipe and Pipe
- Fitting Manufacturing.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3088 - Plastics Plumbing Fixtures (via SIC1987:3088→NAICS1997:326191→2002:326191→2007:326191→2012:326191→2017:326191→2022:326191)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 3620 — Rubber and Plastics Working Machinery
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 326191 valid in 2022? ▾
Yes, 326191 is a valid 6-digit 2022 NAICS national industry code representing 'Plastics Plumbing Fixture Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 326191? ▾
The Small Business Administration (SBA) has established a small business size standard of 750 employees for NAICS code 326191 (Plastics Plumbing Fixture Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 326191? ▾
According to official Census Bureau concordance tables, NAICS code 326191 (Plastics Plumbing Fixture Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3088 - Plastics Plumbing Fixtures.
Related Pages & Tools
Further regulatory reference links for NAICS code 326191:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 326191 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Plastics Plumbing Fixture Manufacturing).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.