AppNexus - AppNexus technology powers the most innovative trading solutions and marketplaces for Internet advertising.

Reddit - Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.

Metamarkets - We help programmatic buyers, sellers and marketplaces make better decisions in real-time.

Pixfuture - Pixfuture is a self serve advertisement platform for advertisers and publishers.

Kevel - Kevel's APIs make it easy for engineers and PMs to quickly launch a fully-customized, white-labeled, server-side ad server.

Digg - Digg delivers the most interesting and talked-about stories on the Web right now.