Convert industry codes
Cross-system equivalents backed by official correspondence tables and exact code matches — never guesses. Approximate mappings are labeled. How it works →
ToNAICS
331491
Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
Open detailToNAICS
331492
Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
Open detail- approximate NAICS 331110 — mapped via ISIC 3399
- approximate NAICS 331221 — mapped via ISIC 3399
- approximate NAICS 331222 — direct correspondence
- approximate NAICS 331314 — mapped via ISIC 3341
- approximate NAICS 331318 — direct correspondence
- approximate NAICS 331420 — direct correspondence
- approximate NAICS 331491 — mapped via ISIC 3357
- approximate NAICS 331492 — mapped via ISIC 3399
- approximate NAICS 332618 — mapped via ISIC 3399
- approximate NAICS 332813 — mapped via ISIC 3399
- approximate NAICS 335921 — mapped via ISIC 3357
- approximate NAICS 335929 — direct correspondence