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NAICS
NAICS Codes

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

NAICS Code Lookup / Directory NAICS Classification & Reference Center
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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Occupational & Educational Codes
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Product Codes
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Classification Conversion Tools

Convert industry codes between classification systems

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

NAICS 8-Digit Codes for "naics:52391"

Extended NAICS codes provide more specific industry categories within official 6-digit NAICS classifications, supporting more precise industry segmentation, market research, and business targeting. For official NAICS classification, use the 6-digit NAICS code.

Search this keyword in SIC 6-Digit codes.

companies

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

Industry NAICS 8-Digit U.S. companies Add

Investments

Parent: Miscellaneous Intermediation

 Extended NAICS 523910-01 companies 27,132companies

Mutual Funds

Parent: Miscellaneous Intermediation

 Extended NAICS 523910-02 companies 113companies

Venture Capital Companies

Parent: Miscellaneous Intermediation

 Extended NAICS 523910-03 companies 682companies

Private Equity Companies

Parent: Miscellaneous Intermediation

 Extended NAICS 523910-04 companies 557companies

Equitable-Products

Parent: Miscellaneous Intermediation

 Extended NAICS 523910-05 companies 1companies

Other classifications

Search "naics:52391" in SIC 6-Digit codes →

Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

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