GenieKnows.com - Pay per click search engine with an affiliate program. - http://www.genieknows.com/
SearchBidz.com - Offer European advertisers the opportunities to bid on search terms and affiliate program. - http://www.searchbidz.com/
Enhance Interactive - Offers advertising through a network of hundreds of distribution partners, including Excite, EarthLink, and MSN. - http://www.enhance.com/
Google Advertising - Allows you to buy advertising on the Google search engine, or on other sites through its AdSense program. Includes a tour and FAQ. - http://www.google.com/ads/
7Search - A pay-for-placement search engine that allows advertisers to bid on keywords. Feeds search results to a large network. - http://www.7search.com/
SearchHere.tv - Offers pay per click advertising with real-time reporting. - http://www.searchhere.tv/
BoldSearch - Provides premium and free listings for websites. - http://www.boldsearch.com/
InternetSearchNetwork.com - Focuses on networking their search results into other sites and search engines. Provides XML feeds to several other search engines. - http://www.internetsearchnetwork.com
SearchFeed.com - Offers pay-per-click advertising via their categorized search engine, as well as affiliate partner programs. - http://www.searchfeed.com/
Roar.com - Offers a category based search engine and advertising programs. - http://www.roar.com/