Adform - Adform is an ad tech partner for media agencies, trading desks and publishers.
AdRoll - AdRoll is a leader in retargeting display advertising. Draw the right people with the right strategies.
Swoop - Swoop is a closed loop marketplace, providing a direct relationship between advertiser and publisher.
OpenX - Ad technology platform available as a hosted service or as an open source download.
Sonobi - Sonobi is an advertising technology that offers a solution for publishers, media agencies and advertiser brands to drive results.
Epom Ad Server - An ad serving solution for publishers, advertisers, ad and affiliate networks