There are no securities or commodities exchanges in Louisiana. Louisiana has 592 brokers agencies, with 3,418 employees; and 80 investment advisory organizations. Louisiana is home to the headquarters of 26 NASDAQ companies, two NASDAQ market makers, and six Louisiana-incorporated NYSE-listed companies: Hibernia Corp., Murphy Oil Corp., Piccadilly Cafeterias, Inc., Ruby Tuesday, Inc., Shaw Group, Inc., and Southdown Inc.