AppNexus - AppNexus technology powers the most innovative trading solutions and marketplaces for Internet advertising.
Epom - An ad serving solution for publishers, advertisers, ad and affiliate networks
Metamarkets - We help programmatic buyers, sellers and marketplaces make better decisions in real-time.
Kevel - Kevel's APIs make it easy for engineers and PMs to quickly launch a fully-customized, white-labeled, server-side ad server.
Google Ad Manager - Grow revenue wherever your users are with an integrated ad management platform that surfaces insights for smarter business decisions.
OpenX - Ad technology platform available as a hosted service or as an open source download.