Our network of reference sites covers national industrial classifications across 23 countries and regions. Each site provides searchable hierarchies, official sources, and cross-references.
23 classification systems across 6 regions. All sites use official government sources and are maintained independently.
Comprehensive reference for Japan's official industrial classification. Full hierarchy of 786 leaf codes with English and Japanese labels, official source notes, and crosswalks to international systems.
Thailand's national industrial classification system used by the National Statistical Office. Covers manufacturing, services, and agriculture with structure aligned to ISIC Rev.4.
Malaysia's industrial classification standard used for economic census and statistical surveys. Follows ISIC structure with Malaysia-specific detail at 5-digit level.
Indonesia's KBLI classification covering all economic activities. Used by BPS for national statistics, business licensing, and economic analysis.
The standard classification used by Federal statistical agencies for collecting, analyzing, and publishing U.S. business data. Six-digit codes across 20 sectors.
Canada's adaptation of NAICS with national detail. Used by Statistics Canada for economic census, industry surveys, and business registries.
Mexico's national economic activity classification, aligned with NAICS. Used by INEGI for economic statistics, business registers, and trade analysis.
Brazil's national economic activity classification based on ISIC Rev.4. Used by IBGE for economic census and business registration across all Brazilian states.
The EU's standard statistical classification of economic activities. Four-level hierarchy harmonised with ISIC at top levels, with EU-specific detail for policy and regulation.
Italy's economic activity classification derived from NACE Rev.2. Used by ISTAT for business statistics, tax identification, and economic analysis.
Spain's national economic activity classification aligned with NACE Rev.2. Used by INE for economic census and business statistics.
Poland's activity classification based on NACE Rev.2. Used for business registration, statistics, and regulatory purposes by GUS.
Turkey's adaptation of NACE for economic activity classification. Used by TurkStat for national accounts, business surveys, and trade statistics.
Saudi Arabia's adaptation of ISIC for business classification. Used by GASTAT for economic statistics and business licensing across the Kingdom.
Morocco's economic activity nomenclature based on ISIC Rev.4. Used by HCP for national statistics, business registration, and economic planning.
Zambia's industrial classification system used by the Central Statistical Office for economic census and business surveys.
Cuba's adaptation of ISIC (CIIU) for national economic statistics. Used by ONE for industrial classification and economic analysis.
India's industrial classification used by MOSPI for economic census, industrial surveys, and national accounts. Aligned with ISIC Rev.4.
The Philippines' industrial classification used by PSA for economic census, business surveys, and national accounts. Based on ISIC Rev.4 structure.
Each site in this directory is an independent reference resource built from official government sources. Sites may use different classification frameworks (ISIC Rev.4, NAICS, NACE, or national systems) but all share a common goal: making industrial classification data accessible and searchable.
For international comparison, refer to International Classifications which covers ISIC, NAICS, NACE, ISCO, and CPC with detailed relationship notes.