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 →
Best match: 332321 Metal Window and Door Manufacturing. The whole of SIC 3442 sits inside this NAICS class (official containment) — it is broader than the source, not a one-to-one twin.
Approximate7
Same family via official correspondence tables (via ISIC 2511) — related activities, not one-to-one matches. Rows marked contained wholly contain the source activity.
- 332321Metal Window and Door ManufacturingcontainedDetails →
- 332323Ornamental and Architectural Metal Work ManufacturingDetails →
- 332311Prefabricated Metal Building and Component ManufacturingDetails →
- 332312Fabricated Structural Metal ManufacturingDetails →
- 332322Sheet Metal Work ManufacturingDetails →
- 332313Plate Work ManufacturingDetails →
- 337215Showcase, Partition, Shelving, and Locker ManufacturingDetails →
Grouped by evidence strength · How our conversions work →