First-Zone
- Directory page with PPC links.
- http://www.first-zone.com/

Webtotal Internet Directory
- Directory and search engine of pay per click and businesses websites.
- http://www.webtotal.biz/

UrlHit.com
- Marketing resources, pay per click search engines (ppc) link exchanges and domain names.
- http://www.urlhit.com/

PPC-Directory.com
- Complete directory of PPC and Pay Per Click Search Engines with hundreds of listings, tools, free PPC's, and reviews.
- http://ppc-directory.com/

Hit44.Com
- Over 44 specialized pay per click search engines. Save time and find specific websites with one click searching.
- http://www.hit44.com