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 →

Examples:

Exact equivalent found. NAICS uses the same code — 238110 Poured Concrete Foundation and Structure Contractors.

Exact1

From official correspondence tables or verified code identity — one-to-one.

Approximate25

Same family via official correspondence tables (via ISIC 4390, 4340) — related activities, not one-to-one matches.

Grouped by evidence strength · How our conversions work →