The lexicon of the top500 ( The Encyclopedia for Classification Codes ) explains the codes and definitions in the world of economical classifications.
NAICS Code 5231 Securities and Commodity Contracts Intermediation and Brokerage
The NAICS Code 5231 is described as
Securities and Commodity Contracts Intermediation and Brokerage Description
This industry group comprises establishments primarily engaged in putting capital at risk in the process of underwriting securities issues or in making markets for securities and commodities; and those acting as agents and/or brokers between buyers and sellers of securities and commodities, usually charging a commission.
(2019-08-02)
It belongs to the code group
NAICS Code 523 Securities, Commodity Contracts, and Other Financial Investments and Related Activities
To this Code "5231" belongs the sub codes
NAICS Code 52311: Investment Banking and Securities Dealing