New Hampshire has no securities exchanges. There are over 237 broker-dealer firms doing business in the state, involving over 1,000 employees; 74 investment advisory organizations operate in New Hampshire. The state is home to 19 NASDAQ-listed companies, and has incorporated nine NYSE-listed companies; the top five in terms of revenue being: Fisher Scientific International, Cabletron Systems, Timberland, Standex International Corp., and General Chemical Group.