Product Classification Cross-Reference

U.S. Trade Classification Systems

• HS (Harmonized System) — 6-digit international standard. Used for tariffs and the most granular trade data.
• NAICS — Industry-based classification. Links trade data to domestic industry sectors.
• SITC — UN standard for international comparisons of trade statistics.
• End-Use — Classifies imports/exports by how products are used (consumer goods, capital goods, industrial supplies).
• Hi-Tech — Identifies advanced technology products (biotech, electronics, aerospace).