🏭NAICS Codes

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Also known as: North American Industry Classification System

Standard codes used in North America to classify business establishments by primary economic activity.

DESCRIPTION

NAICS provides a hierarchical industry classification adopted by U.S., Canadian, and Mexican statistical agencies. It supports economic analysis, market segmentation, and normalization of customer and supplier master data. Organizations use NAICS for sales planning, compliance reporting, and benchmarking. Regular revisions reflect industry changes and emerging sectors. Accurate assignment and version management are critical for longitudinal analysis.

ALTERNATIVE DEFINITIONS

U.S. Census Bureau

NAICS is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. economy.

Defines official purpose and U.S. federal usage for economic statistics.

Source

Statistics Canada

The North American Industry Classification System (NAICS) is an industry classification system developed by the statistical agencies of Canada, Mexico and the United States.

Emphasizes trilateral development across North American statistical agencies.

Source

RELATED TERMS

Industry Classification Global Industry Classification Standard Company Master Data Economic Statistics Entity Resolution B2B Segmentation

COMPETING TERMS

SIC International Standard Industrial Classification

KNOWLEDGE AREAS

Reference & Master Data Data Management Domain & Business Context Data Integration & Interoperability Data Warehousing & BI

TARGET AUDIENCE

Data Steward Data Analyst BI Specialist Data Architect Data Management Consultant Chief Data Officer

EXTERNAL SOURCES

• Wikipedia - North American Industry Classification System
• U.S. Census Bureau - NAICS official site
• Statistics Canada - Canada NAICS resources

TOP QUESTIONS

Why do companies use NAICS Codes?

They standardize industry classification for segmentation, compliance, macro analysis, and master data harmonization across systems and vendors.

Category: Relevancy

How are NAICS Codes structured?

NAICS is hierarchical: 2-digit sectors, expanding to 6 digits for detailed industries. This supports rollups and granular analysis.

Category: Explanation

How often is NAICS updated?

Revisions occur roughly every five years to reflect industry changes. Organizations must manage versioning and remapping for trend analyses.

Category: Management

What’s the difference between NAICS and SIC?

SIC is an older U.S. system; NAICS replaced it for federal statistics. NAICS aligns better with modern industry structures and services.

Category: Comparison

Can an establishment have multiple NAICS Codes?

Yes, but one primary NAICS typically reflects its main activity. Secondary codes may capture significant ancillary activities.

Category: Best practices

How do NAICS and ISIC relate?

They are different systems with crosswalks. ISIC is international; NAICS is North American. Mappings support global analysis.

Category: Relation

What’s a common mistake with NAICS assignment?

Selecting codes from company descriptions without verifying actual revenue mix often misclassifies the primary activity.

Category: Mistakes

How should NAICS be stored in master data?

Store code, description, version, and assignment date. Use authoritative reference tables and ensure lineage when remapping.

Category: Modeling

Where can I validate NAICS Codes?

Use U.S. Census NAICS tools and national statistical agency references. Cross-check vendor enrichment against official definitions.

Category: Resources