1000memories
20x200
A Bit Lucky
aboutme (acquired by AOL)
AdSafe
ADstruc
Artsy
BackType (acquired by Twitter)
BancBox (FKA NPN)
Bauble Bar
BestVendor
Betaworks
Big Think
BillGuard
BlockChalk (acquired by Klout)
Bnter
Boundless Learning
Breezy
Brontes
Burstly
BuzzFeed
Candex
Canvas
Cardpool (acquired by Blackhawk)
Chartbeat
Chirply
chloe + isabel
Clickatell
Codecademy
COLOURlovers
Connectiva
Contently
Corduro
Coupang
DailyBooth
Datalot
DealBase
DIY
ExtensionFM
Factual
FanBridge
Fluidinfo
Formspring
Gerson Lehrman Group
GetMeIn (acquired by Ticketmaster)
Gigwalk
Giiv
Gobble
GraphEffect
Greplin
GroupMe (acquired by Skype)
Hacker School
Harvest Automation
Heyzap
HomeRun (acquired by Rearden Commerce)
Hot Potato (acquired by Facebook)
Hotel Tonight
HowAboutWe
Hunch (acquired by eBay)
Ifttt
Internet Solutions (acquired by Dimension Data)
JoyTunes
Jump Ramp Games
Kuza
Link Medicine
Listia
LiveOps
Lore (FKA Coursekit)
Lovely (FKA Homeboodle)
Magazine Radar
Magnetic
Metamarkets
MileWise
Milo (acquired by eBay)
OLO (FKA GoMobo)
OMGPOP (acquired by Zynga)
OPOWER (fka Positive Energy)
Pantheon
Pocket (FKA Read it Later)
Pose
Posterous (acquired by Twitter)
Readyforce
Sample6
SavingStar
SeatGeek
Send the Trend (acq by QVC)
Shareable Ink
SiteAdvisor
SkillShare
Skype
Soluto
StackExchange
StackMob
StarMe
StepOut (FKA Ignighter)
Sulia
Svpply
Tello
The Trade Desk
thredUp
Trazzler
TrialPay
True Fit
Tutorspree
Uber
Utique
Venmo
Vimeo
Vook
Votizen
YouNow
Zencoder
Zipongo