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 →

No verified match yet for KSIC 4791

We only show conversions backed by official tables or exact matches — a verified KSIC → NAICS mapping for 4791 Retail sale via mail order houses or via internet isn't available. Broader matches may exist at a higher level:

Try 47 Retail trade, except motor v…Try 479 Retail sale not in stores