Aaron Levie, CEO
Capacity: 5 GB free; 25 GB for $9.99/month
What it's for: Collaboration
Killer feature: Users can brand Box-powered projects with their own logos and color schemes
Funding: $287 million
Number of users: 11 million
Fun fact: Levie is an amateur magician
From new innovators to the old guard, these companies are experiencing phenomenal growth in the tech sector.