NAICS Code 523210 — Securities and Commodity Exchanges

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 52321 (Securities and Commodity Exchanges).

Code	523210
Title	Securities and Commodity Exchanges
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	$47 million in average annual receipts

Official definition (2022 NAICS)

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.

Is a business under 523210 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 523210 qualifies as a small business if it does not exceed $47 million in average annual receipts. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — receipts are averaged over the latest 5 fiscal years.

Where 523210 sits in the hierarchy

Level	Code	Title
Sector	52	Finance and Insurance
Subsector	523	Securities, Commodity Contracts, and Other Financial Investments and Related Activities
Industry Group	5232	Securities and Commodity Exchanges
NAICS Industry	52321	Securities and Commodity Exchanges
National Industry	523210	Securities and Commodity Exchanges

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
6231	Security and Commodity Exchanges

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.