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

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

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Code Systems

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

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SIC 6-Digit Codes for "naics:423"

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

Truck Terminals

Parent: Terminal and Joint Terminal Maintenance Facilities for Motor Freight Transportation

 SIC Marketing Level 4231-01 companies 22companies

Dispatch Service-Trucking

Parent: Terminal and Joint Terminal Maintenance Facilities for Motor Freight Transportation

 SIC Marketing Level 4231-02 companies 149companies

Other classifications

Search "naics:423" in Extended NAICS →

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NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

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