NAICS Code 523999

NAICS 523999

NAICS Code 523999 – Miscellaneous Financial Investment Activities

Definition of NAICS Code 523999: This U.S. industry comprises establishments primarily engaged in acting as agents and/or brokers (except securities brokerages and commodity contracts brokerages) in buying or selling financial contracts and those providing financial investment services (except securities and commodity exchanges; portfolio management; investment advice; and trust, fiduciary, and custody services) on a fee or commission basis.

  • You can also download your own copy of the complete 2017 NAICS Classification Manual. The NAICS Manual is updated every five years. The 2017 copy will be applicable until a new edition is produced in 2022.

Illustrative Examples of NAICS 523999

What are some examples of this code? The bulleted items below are illustrative examples of this classification.

  • Exchange clearinghouses, commodities or securities
  • Stock quotation services
  • Gas lease brokers’ offices

Cross Reference Guide for Code 523999

What codes are similar to this classification that might be a more applicable code? The cross-reference guide below displays the codes for other similar industries. Please review to find the most applicable classification.

  • Investment banking, securities dealing, securities brokering, commodity contracts dealing, or commodity contracts brokering–are classified in Industry Group 5231, Securities and Commodity Contracts Intermediation and Brokerage;
  • Acting as principals (except investment bankers, securities dealers, and commodity contracts dealers) in buying or selling financial contracts–are classified in Industry NAICS 523910, Miscellaneous Intermediation;
  • Furnishing physical or electronic marketplaces for the purpose of facilitating the buying and selling of securities and commodities–are classified in Industry NAICS 523210, Securities and Commodity Exchanges;
  • Managing the portfolio assets (i.e., funds) of others–are classified in Industry NAICS 523920, Portfolio Management;
  • Providing customized investment advice–are classified in Industry NAICS 523930, Investment Advice;
  • Providing trust, fiduciary, and custody services to others–are classified in U.S. Industry NAICS 523991, Trust, Fiduciary, and Custody Activities; and
  • Financial transactions processing, reserve, and clearinghouse activities–are classified in Industry NAICS 522320, Financial Transactions Processing, Reserve, and Clearinghouse Activities.

Other Index Entries for NAICS 523999

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with this classification. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Clearinghouses, commodity exchange or securities exchange
  • Deposit brokers
  • Exchange clearinghouses, commodities or securities
  • Gas lease brokers’ offices
  • Oil lease brokers’ offices
  • Protective committees, security holders
  • Quotation services, securities
  • Quotation services, stock
  • Securities holders’ protective services
  • Securities transfer agencies
  • Stock quotation services
  • Stock transfer agencies
  • Transfer agencies, securities
Suggested Insurance Conversion Table for NAICS Code 523999

Looking for an insurance classification other than the North American Industry Classification System? If a company falls within the industry defined on this page, then the class codes mentioned below may be applicable. Please note that the bulleted cross-reference guide below is not authoritative. Users should have an insurance professional review to ensure proper insurance classification.

  • NCCI WC (Varies by state): 8742NAICS 523999
  • CA WC: 8742
  • DE WC: 951
  • PA WC: 951
  • MI WC: 8742
  • NJ WC: 8742
  • NY WC: 8742
  • WY WC: 523999
  • GL: 47367

Resources: Praxiom, AceGroupTDICalifornia Division of Workers Compensation, Delaware Workers Compensation Manual, Pennsylvania Workers Compensation Manual, Michigan Workers’ Compensation Placement Facility: Classification Definitions, New Jersey Workers Compensation and Employers Liability Insurance Manual, New York Workers Compensation and Employers Liability, North American Industry Classification System, Florida Underwriting Guide: Commercial General Liability Classifications,  Standard Industrial Classifications.

The suggested cross reference guide for NAICS code 523999 is based on our research using the resources cited above.

Correlating Code Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry, and the most specific is the 6 digit NAICS code (Where you are now). If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 52: Finance and Insurance
  • Subsector 523: Securities, Commodity Contracts, and Other Financial Investments and Related Activities
  • Industry Group 5239: Other Financial Investment Activities
  • Industry 52399: All Other Financial Investment Activities
  • 6 Digit Code(s) NAICS 523991: Trust, Fiduciary, and Custody Activities
  • 6 Digit Code(s) NAICS 523999: Miscellaneous Financial Investment Activities
Other helpful NAICS Downloads

View the download page for the material below.

NAICS Code 523999