#15 Qualtrics

Mastermind: Ryan Smith

What they do: Apps that are related to services in data centers.

Qualtrics makes software for enterprises that deals in statistical and analytical researches, that includes sales regarding customers and channel partners.

Fact: Barnaby is the name of their office dog.

#14 Uber

Mastermind: Travis Kalanick

What they do: Cab providers.

Uber has developed a mobile app where customers can use the app to hire cabs across the city. This solves the real annoying problem of finding cabs in a city.

Fact: Uber also has come up with letting customers to hire an ice cream truck to their location.

#13 Square:

Mastermind: Jack Dorsey

What they do: Connects mobiles to credit card machines.

One of the fastest growing startups, the Square provides their customers with apps, under platforms like iOS, Android and Windows, to allow credit card payments done anywhere at any time.

Fact: Every single Square’s conference rooms are named after famous town squares across the globe.