Everything

Google adsense (www.google.com/adsense/)
Yahoo publishers network (http://publisher.yahoo.com/)
Kontera advertising (http://www.kontera.com/)
Microsoft Publishers (http://advertising,microsoft.com/publisher)
Adbrite (http://www.adbrite.com/)
Bidvertisers (http://www.bidvertiser.com/)
Guruji Ads (http://ads.guruji.com/)
Click Bank (http://www.clickbank.com/)
Nar Singh meedia (http://www.narsinghmeedia.com/)
Clicksor (http://www.clicksor.com/)
Netklix (http://www.netklix.com/)
Pogads (http://www.pogads.com/)
AdvertisingZ (http://www.advertisingz.com/)
Myadmarket (http://www.myadmarket.com/)