2022 NAICS national industry in sector 52 Finance and Insurance

523210 Securities and Commodity Exchanges

NAICS 523210 is the US industry code for securities and commodity exchanges. It covers establishments primarily engaged in furnishing physical or electronic marketplaces for the purpose of facilitating the buying and selling of stocks, stock options, bonds, or commodity contracts.

Code
523210 (2022 NAICS)
Title
Securities and Commodity Exchanges
Part of
Securities and Commodity Exchanges
SBA small business limit
Average annual receipts up to $47 million
Closest UK SIC
66110 (details)

Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.

Official definition

This industry comprises establishments primarily engaged in furnishing physical or electronic marketplaces for the purpose of facilitating the buying and selling of stocks, stock options, bonds, or commodity contracts.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 523210

The Census index assigns these 7 activities to this code. If your business matches one, this is your code.

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 523210

To count as a small business for SBA loans and federal contracts under NAICS 523210, your business (including affiliates) must not exceed $47 million in average annual receipts. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 6611), so treat them as a starting point and check the definition.

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Data last changed November 14, 2026. How this page is built.