by AOL Advertising - retargeted ads at search traffic
7Search | Pay-Per-Click Search Engine Advertising Network - 2nd tier PPC/Cheap search ads
Ad.ly - Celebrity Endorsements in Social Media - sponsored/celeb Tweets,Twitter Advertising
Adblade - Online Advertising and Monetization Services - self serve display ads, good traffic
adBrite Exchange - display/contextual ads
AdBuyer.com provides the tools to help search marketers keep growing - media buying ad exchange
AdClickMedia Advertising Network - Pay Per Click Advertising, online text advertising, banner advertising, and Interstitial advertising. - self serve banners and contextual widgets
AdEngage - Engaging Internet Advertising - banners/text, similar to adbrite, allow weekly buys
Adknowledge.com | The leading long tail marketplace - social media ads,cheap ads,High Volume (aquired cubics & bidplaceSB)
http://www.adsonar.com - part of advertising.com(aol) -text ads on high traffic US sites like,cnn,cnbc,Huffington post,etc
LinkWorth | Search Engine Marketing - Text Link Advertising - self serve contextual/inline text ads and good SEO services
AdSide: Beyond Standard Ads - self serve ppc, contextual, inline text ads
Retargeting and Display Advertising | AdRoll- retargeting
http://www.adsrow.com -ppc
http://www.addesk.advertising.com - display solutions on AOL inventory
Advertising.com - display/banners, media buys
Advertising | eZanga.com Hop on and go! - cheaper search and contextual
The Microsoft Media Network - microsoft banner display/media buys
Why Buy Blog Advertising? | Blogads - ads on high traffic blogs
BidVertiser - Pay Per Click Advertising On Sites Of Your Choice. - contextual and banner ads
Online Advertising Marketplace | BuySellAds.com - self serve banners on a range of design blogs
Casale Media - Home - self serve banners
Chitika - Online Advertising Network | Search Targeted Ads, Mobile Ads & Local Ads for websites, blogs, apps & mobile - search related contextual display ads
Online Contextual Advertising and Behavioral Marketing Services - contextual/banners
Clickbooth CPC Network for Advertisers or Affiliates - (Formerly Adtoll)-display/text ads
http://contextweb.com (formerly Adsdaq) -contextual ads/media buying exchange
CPMStar - The Online Network Devoted To Gamers - banners display targetted at gaming sites only
Welcome to CPX - banners/display, media buys
http://elephant-traffic.com - ppv type ads on parked url's - cheap clicks
Advertising | Facebook - self serve ads on facebook
FinditQuick.com | Search, Shop and Compare - cheap text ads
http://google.com/adwords - You know about this anyway !
Marchex Pay-Per-Click Site-Specific - Contextual Pay Per Click Solutions for Advertisers and Publishers (Formerly Marchex/Adhere)-Cheap PPC Advertsing
