Convert industry codes
Cross-system equivalents backed by official correspondence tables and exact code matches — never guesses. Approximate mappings are labeled. How it works →
No verified match yet for JSIC 1721
We only show conversions backed by official tables or exact matches — a verified JSIC → NAICS mapping for 1721 Lubricating oils and greases (not made in petroleum refineries) isn't available. Broader matches may exist at a higher level: