Convert industry codes
Verified correspondences first — official tables and exact code matches. Where no verified mapping exists, we show clearly-labeled inferred matches through a standardized ISIC bucket, never presented as exact. How it works →
Exact equivalent found. NAICS uses the same code — 33131 Alumina and Aluminum Production and Processing.
Exact1
From official correspondence tables or verified code identity — one-to-one.
Inferred10
Share the same standardized ISIC bucket, ranked by description similarity — not from an official table.
Show 10 inferred matches
- 331313Alumina Refining and Primary Aluminum ProductionDetails →
- 331315Aluminum Sheet, Plate, and Foil ManufacturingDetails →
- 331314Secondary Smelting and Alloying of AluminumDetails →
- 331410Nonferrous Metal (except Aluminum) Smelting and RefiningDetails →
- 331492Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)Details →
- 33299All Other Fabricated Metal Product ManufacturingDetails →
- 331318Other Aluminum Rolling, Drawing, and ExtrudingDetails →
- 33142Copper Rolling, Drawing, Extruding, and AlloyingDetails →
- 331491Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and ExtrudingDetails →
- 33291Metal Valve ManufacturingDetails →
Broader5
Show 5 broader categories containing the matches above
- 3313Alumina and Aluminum Production and ProcessingDetails →
- 3314Nonferrous Metal (except Aluminum) Production and ProcessingDetails →
- 3329Other Fabricated Metal Product ManufacturingDetails →
- 33141Nonferrous Metal (except Aluminum) Smelting and RefiningDetails →
- 33149Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, Extruding, and AlloyingDetails →
Grouped by evidence strength · How our conversions work →