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: 327120 Clay Building Material and Refractories Manufacturing. The whole of SIC 3253 sits inside this NAICS class (official containment) — it is broader than the source, not a one-to-one twin.
Approximate8
Same family via official correspondence tables (via ISIC 2392, 2395) — related activities, not one-to-one matches. Rows marked contained wholly contain the source activity.
- 327120Clay Building Material and Refractories ManufacturingcontainedDetails →
- 327110Pottery, Ceramics, and Plumbing Fixture ManufacturingDetails →
- 327331Concrete Block and Brick ManufacturingDetails →
- 327332Concrete Pipe ManufacturingDetails →
- 327320Ready-Mix Concrete ManufacturingDetails →
- 327999All Other Miscellaneous Nonmetallic Mineral Product ManufacturingDetails →
- 327420Gypsum Product ManufacturingDetails →
- 327390Other Concrete Product ManufacturingDetails →
Grouped by evidence strength · How our conversions work →