Our Ad Exchanges:

Doubleclick Adx
The DoubleClick Advertising Exchange service makes buying and selling
digital advertising faster, easier and more profitable. Through an
impression-by-impression auction marketplace, the service connects
industry-leading online publishers with top-tier advertisers, agencies
and networks.
MSN Direct Response
Microsoft Direct Response is a program designed specifically for the direct marketer.
We provide you with the guidance, flexible campaign options, and
robust tools to help you craft and execute a successful direct
marketing campaign on Microsoft.
Ilse Exchange
Google CPX
Advertising.com