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NAICS
NAICS Codes

Official North American industry classification system for business reporting and analysis.

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SIC
SIC Codes

Established U.S. industry classification system widely used across business, reporting, analytics, and cross-dataset comparability.

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Code Systems
Code Systems

Standard classification systems used to organize industries, products, occupations, and business identifiers across U.S. and global datasets

Industry Codes
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Classification Conversion Tools

Convert industry codes between classification systems

U.S Industry Codes SIC → NAICS NAICS → SIC
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What Is an SIC 6-Digit Code?
All NAICS SIC Companies
SIC 6-Digit NAICS 8-Digit ISIC (International) NACE (Europe) SOC (Occupations) CIP (Programs) Extended SOC (O*NET)

SIC 6-Digit Codes for "25-9000"

SIC Marketing Level codes provide more specific industry categories within official 4-digit SIC classifications, supporting more precise industry segmentation, market research, and business targeting. For official SIC classification, use the 4-digit SIC code.

Search this keyword in NAICS 8-Digit codes.

companies

Verified U.S. companies available for purchase in this industry. Counts are based on primary business classifications.

Industry SIC 6-Digit U.S. companies Add

Automobile-Antique & Classic (Retail)

Parent: Motor Vehicle Dealers (Used Only)

 SIC Marketing Level 5521-02 companies 466companies

Jazzercise

Parent: Miscellaneous Personal Services, Not Elsewhere Classified

 SIC Marketing Level 7299-50 companies 632companies

Other classifications

Search "25-9000" in Extended NAICS →

Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

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Code lookups, conversions, and research utilities for NAICS, SIC, ISIC, and related classification systems.

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