US Open Directory Project

People Search with Reverse Phone Lookup, Property Reports, Public Records Welcome to Lookup.com! The world's largest & most trusted source for people's contact information, with more than 180 million U.S. adults and growing!
http://www.lookup.com/

Yellow Pages by Explore To Explore your local businesses with reviews and deals from this recent Yellow Pages offering.
http://explore.to/usa/

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

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

LookMeUp - Free People Search Find people even when their name, address, email, instant messenger, and phone number changes. The service is always free!
http://www.lookmeup.org/