523 Securities, Commodity Contracts, and Other Financial Investments and Related Activities

NAICS 523 is the US industry code for securities, commodity contracts, and other financial investments and related activities. Industries in the Securities, Commodity Contracts, and Other Financial Investments and Related Activities subsector group establishments that are primarily engaged in one of the following: (1) underwriting securities issues and/or making markets for securities and commodities; (2) acting as agents (i.e., brokers) between buyers and sellers of securities and commodities; (3) providing securities and commodity exchange services; and (4) providing other services, such as managing portfolios of assets; providing investment advice; and trust, fiduciary, and custody services.

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