NAICS Code 326122 — Plastics Pipe and Pipe Fitting Manufacturing

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 2 national industries under 32612 (Plastics Pipe, Pipe Fitting, and Unlaminated Profile Shape Manufacturing).

Code	326122
Title	Plastics Pipe and Pipe Fitting Manufacturing
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	750 employees

Official definition (2022 NAICS)

This U.S. industry comprises establishments primarily engaged in converting plastics resins into plastics pipes and pipe fittings.

Is a business under 326122 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 326122 qualifies as a small business if it does not exceed 750 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 326122 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	326	Plastics and Rubber Products Manufacturing
Industry Group	3261	Plastics Product Manufacturing
NAICS Industry	32612	Plastics Pipe, Pipe Fitting, and Unlaminated Profile Shape Manufacturing
National Industry	326122	Plastics Pipe and Pipe Fitting Manufacturing

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
3084	Plastics Pipe
3089	Plastics Products, Not Elsewhere Classified

Related National Industry codes

• 326121 — Unlaminated Plastics Profile Shape Manufacturing

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.