Alabama has no securities exchanges. The state has approximately 377 securities brokers and dealers industries, with over 2,800 agents. There are 74 registered businesses that provide securities investment advice services. A total of 37 NASDAQ companies are headquartered in Alabama, and six companies incorporated in Alabama are listed on the NYSE; including Medical Assurance, Inc., Alabama Power Co., Minolta-QMS, Inc., Russell Corp., Energen Corp., and Colonial Properties Trust.