2022 NAICS industry group in sector 31-33 Manufacturing
3251 Basic Chemical Manufacturing
NAICS 3251 is the US industry code for basic chemical manufacturing. It covers establishments primarily engaged in manufacturing chemicals using basic processes, such as thermal cracking and distillation.
Official definition
This industry group comprises establishments primarily engaged in manufacturing chemicals using basic processes, such as thermal cracking and distillation. Chemicals manufactured in this industry group are usually separate chemical elements or separate chemically-defined compounds.
Codes in 3251
Data last changed November 14, 2026. How this page is built.