

Foursquare
Milo.com
FEED Projects
Posterous

Sprouter
Astor & Black
Anapata

McClure's Pickles
CyberSynchs
Eddie Frederick, Tim O'Shaughnessy
LivingSocial
Rent the Runway

iContact
Millennial Branding
Windsor Hanger, Stephanie Kaplan, Annie Wang
Her Campus

CityCraft
Occipital
Motto Agency
The Man Registry

Super Jam
LearnVest
David Graff, Brian Kaiser, John Wirtz
Agile Sports

LRMR
The Second Glass
Crowdflower
AlterG

Urban Escapes
ShowClix




The companies on this year's list don't all live online. Some of them make actual tangible goods, including affordable bespoke suits, jam, anti-gravity treadmills, and stylish tote bags.

Doing good by doing well is second nature to these young entrepreneurs, who spend time fighting hunger, volunteering in state parks, caring for the elderly, and teaching classes at a women's shelter.
