Choy & Associates Services

The essential tool for cross-border due diligence, compliance, and data cleansing. A one-stop solution for precise industry code mapping.

Multi-Standard Mapping: Bi-directional conversion across NAICS 2022, GB/T 4754-2017, NACE Rev. 2.1, and ISIC Rev.5.

Free Lookup: Instant online search for single-code conversions.

Enterprise Plans: Bulk matching, API access, and full database downloads.

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• 商業指南庫
• 美國 企業名錄
• 阿拉伯文 (阿拉伯聯合大公國) 企業名錄
• 中國 企業名錄
• 澳大利亞 企業名錄
• 新加坡 企業名錄
• 美國 企業名錄