192.com
   An alternatively sourced phone directory with a pay-per-use reverse-lookup service.
   http://www.192.com/

Kosher Yellow Pages
   Provides a directory of businesses and organizations oriented on supplying service and products connected to Jewish lifestyle.
   http://www.syny.com

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