NAICS 331313 is a North American Industry Classification System code. Federal buyers use NAICS for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
- Official title
- Alumina Refining and Primary Aluminum Production
- Code level
- 6
- Parent industry
- 33131 — Alumina and Aluminum Production and ProcessingT
- Open opportunities
- 1 open · 1 active