Naics index Naics index description
523150 Securities dealing (i.e., acting as a principal in dealing securities to investors)
523150 Securities distributing (i.e., acting as a principal in dealing securities to investors)
523150 Securities floor brokers
523150 Securities floor traders (i.e., acting as a principal in dealing securities to investors)
523150 Securities flotation companies
523150 Securities originating (i.e., acting as a principal in dealing securities to investors)
523150 Securities trading (i.e., acting as a principal in dealing securities to investors)
523150 Securities underwriting
523150 Stock brokerages
523150 Stock brokers' offices