Overture
Overture is one of the most established PPC engines available, and provides highly targeted traffic.Overtures PPC service advertises through associated search engines like MSN, Yahoo!, AltaVista, InfoSpace, AlltheWeb and NetZero. Minimum to start an account: $50 Visit Overture FindWhat
FindWhat can bring your website very highly targeted traffic for a very reasonable price. Findwhat partners with both niche market engine and sites, and large search engines like CNET’s Search.com, Excite, Webcrawler, MetaCrawler, Dogpile and Microsoft Internet Explorer Autosearch.
Minimum to start an account: $25 Visit Findwhat GoClick
One of the most reccommended PPC engines, GoClick offers easy campain management and geographically targeted results.
Minimum to start an account: $10 Visit GoClick
Other Pay Per Click engines worth mention:
Enhance Interactive
Enhance Interactive, Inc. (formerly ah-ha.com) is a leading provider of pay-for-performance search engine marketing services, connecting thousands of merchants with millions of consumers via highly targeted advertising programs, including Paid Listings, Contextual Advertising, and Guaranteed Inclusion. Enhance Interactive complements these offerings with best-in-class, personalized account service. Enhance Interactive's Paid Listings product delivers traffic on a pay-per-click basis via keyword searches through Enhance Interactive's distribution partners, including hundreds of search engines and directories.
Minimum to open account:$50 Visit Enhance
7Search
According to independent traffic ranker Alexa.com, 7Search.com is the second most visited pay-per-placement search engine in the world. 7Search.com licenses its technology to other search engines, which includes our database with your website bid associated with your search terms. You'll appear in over 35% of the top 150 search engines in English-speaking countries, drastically increasing your reach.
Minimum to open account:$25 Visit 7Search
Kanoodle
ContextTarget™, featured on some of the Web's biggest names including MSNBC.com and CBS MarketWatch, puts control back in your hands. ContextTarget™ puts your ads alongside editorial content instead of within search results. This allows you to reach potential consumers at the exact time they are engaged and reading relevant content on their favorite sites.
Minimum to open account:$50 Visit Kanoodle.com
ePilot
ePilot is a leading advertising service that allows advertisers to list their web site within distributed search results across the Internet. By partnering with wholesalers,ePilot is able to increase thier advertiser inventory exponentially.
Minimum to open account:$100 Visit ePilot