SAN RAMON, Calif.--(BUSINESS WIRE)--Five9, Inc. (NASDAQ:FIVN) a leading provider of cloud contact center software, was named one of the fastest growing companies on Deloitte’s 2014 Technology Fast 500™. Deloitte ranked Five9 number 280 on the list of the 500 fastest growing technology companies in North America, based on strong year over year revenue growth. Tweet This: .@Five9 Named One of the Fastest Growing Companies on #Deloitte’s Technology Fast 500™ #cloud #cctr The Deloitte Technology Fa