Seven

Company name: Seven
Where it's based: Redwood City, Calif.
When it was founded: 2000
What year it was a Fierce 15: 2004
Website: www.seven.com

Why it was a Fierce 15: Seven was selected for its technology and its partnerships. The company's email service was available on a variety of devices, and Seven had inked deals with leading carriers around the world including Sprint and Cingular Wireless in the U.S., NTT DoCoMo and KDDI in Japan, mmO2 and Orange in the U.K., and SingTel in Asia. Click here for more.

What has happened since it was awarded the Fierce 15: Seven continues to make mobile email and messaging solutions. Today the company powers mobile email for more than 130 carriers, including U.S. Cellular. Seven's platform is compatible with more than 500 devices worldwide across five major operating systems, including BREW, Symbian and Windows Mobile. Seven also scored a deal to be the exclusive email solution for the Samsung Instinct, a popular smartphone with Sprint Nextel customers.