Directories
Langenberg
[ http://www.langenberg.com/ ]
Integrated search engine that allows users to browse through various phone books, business and geographical databases.
Melissa Data
[ http://www.melissadata.com/lookups/ ]
Directory for non-profit organizations. Can be search via zip code, city or area.
Virtual Learning Resources Center
[ http://www.virtuallrc.com/ ]
Provides to students and teachers with information for school and university academic projects by offering listings of over 1000 academic websites.
Yellow Pages Online
[ http://www.yellowpagesgoesgreen.org/ ]
Environmentally friendly search engine and Yellow Pages directory which vigorously supports the green movement through a variety of efforts, promotes awareness and helps consumers conveniently opt-out of printed yellow pages delivery.