www.local.yahoo.com
Sunnyvale, Calif.
Founded in 1996
The local division of the search engine giant encourages customers to rate local businesses ranging from restaurants to attorneys. Businesses post their basic data (address, phone number, product lists) gratis, and $10 per month lets them add a logo, photos, tagline, and customer coupons to their profile.
Traffic: According to comScore, Yahoo! Local attracted 16.2 million unique users in June 2008.