There are no securities exchanges in North Carolina. The Securities Division of the Office of Secretary of State is authorized to protect the public against fraudulent issues and sellers of securities. The state has 985 broker-dealers organizations with 7,254 employees, and 176 investment advisory organizations. North Carolina is home to 82 NASDAQ-listed companies, two NASDAQ market makers, 11 AMEX-listed companies; and has incorporated 37 NYSE-listed companies. The top five companies by revenues are: First Union Corp., Duke Energy Corp., Lowe's Companies, Inc., Delhaize America, Inc., and Reynolds (R.J.) Tobacco Holdings.