» AOL E-Mail Finder    Locate email addresses of people throughout the United States.    http://site.aol.com/netfind/emailfinder.adp

» Bigfoot Directories    Interactive search of e-mail directory listings.    http://search.bigfoot.com

» ContactClean    Database of new email addresses that match with old ones. Includes anti-spam protection.    http://www.contactclean.com/

» EmailChange.com    Change of email address search engine and registry.    http://emailchange.com/

» EmailFinder and URLFinder    Linka old e-mail and web addresses with current information.    http://www.emailfinder.com

» Find mE-Mail    Search engine connecting old e-mail addresses to new ones. Invites registration of new e-mail addresses.    http://www.findmemail.com

» Free Email Guide    Guide to free email search engines and directories. Lists the features of each service.    http://freemailguide.com/free_email_search_engines.html

» FreshAddress    A free change of email address directory where you can search by name or old email address. Email appending, ECOA and list hygiene services available for businesses.    http://biz.freshaddress.com/

» InfoSpace Email Search    Worldwide email directory.    http://www.infospace.com/home/white-pages/email-search

» MESA: Meta Email Search Agent    For a given name it searches in parallel at (nearly) all available sources of email addresses on the Internet.    http://mesa.rrzn.uni-hannover.de/

» TowerData    Email data quality services for businesses: email append, email change of address (ECOA), and email list hygiene.    http://www.towerdata.com