System Atlas
NAICS 331
Browse what is insideInherits Manufacturing

Primary Metal Manufacturing

Industries in the Primary Metal Manufacturing subsector smelt and/or refine ferrous and nonferrous metals from ore, pig, or scrap, using electrometallurgical and other process metallurgical techniques. It has no schema of its own: companies here are mapped on the Manufacturing schema, and what it does not cover is recorded as gaps.

Baseline
Manufacturing v2
Inherited from
Manufacturing
Companies mapped
0 of 88
Primitives
57 in 8 parts
Last updated
Nov 2, 2026