StackAdapt - Native advertising demand side platform.

RealVu - Realvu offers a multifunctional online media and advertising platform for the delivery, tracking, and reporting of advertisements and media.

Zemanta - Zemanta is an online content and links suggesting platform that provides a plugin to the bloggers, publishers and other types of content creators.

Fyber - Fyber is building a platform for smarter ad monetization.

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.

Google Doubleclick - DoubleClick is a digital advertising solution from Google.