192.com
   People and local business finder incorporating 8 major sources. Offers free directory enquiries and public records.
   http://www.192.com/

AOL Yellow Pages
   Provides phone numbers, addresses, reviews, and additional information for businesses in the United States.
   http://yellowpages.aol.com/

YellowPages.Com Inc.
   Offers searching United States and International business listings and includes business and consumer centers.
   http://www.yellowpages.com/