NAICS Code 331221 — Rolled Steel Shape Manufacturing

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 2 national industries under 33122 (Rolling and Drawing of Purchased Steel).

Code	331221
Title	Rolled Steel Shape Manufacturing
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	1,000 employees

Official definition (2022 NAICS)

This U.S. industry comprises establishments primarily engaged in rolling or drawing shapes (except wire), such as plate, sheet, strip, rod, and bar, from purchased steel.

Is a business under 331221 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 331221 qualifies as a small business if it does not exceed 1,000 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 331221 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	331	Primary Metal Manufacturing
Industry Group	3312	Steel Product Manufacturing from Purchased Steel
NAICS Industry	33122	Rolling and Drawing of Purchased Steel
National Industry	331221	Rolled Steel Shape 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
3312	Steel Works, Blast Furnaces (Including Coke Ovens), and Rolling Mills
3316	Cold-Rolled Steel Sheet, Strip, and Bars
3399	Primary Metal Products, Not Elsewhere Classified

Related National Industry codes

• 331222 — Steel Wire Drawing

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.