• Google - Yahoo - Bing
• Meta Crawler - DogPile search multiple search engines at the same time.
• Alta Vista - Lycos - Excite - Ask Jeeves - Search.com - Hotbot
• QuickBrowse - Infospace - 555-1212 - WhoWhere - Four11
• Phone directories: YellowBook, Bigbook, Switchboard

Travel

• Orbitz - Expedia - Travelocity
• Priceline - Cheaptickets.com - LowestFare.com - Best Fares
• Tripadvisor - Fodor's - Frommer's - Zagat - Places to Stay
• Club Med - Sandals
• FlightStats - AA - Continental - Delta - SWA - United - USAir

Other Useful Tools

• Reference Desk includes search engines, newspapers, and much more.
• Mirriam-Webster's Dictionary is a useful tool for getting definitions and also offers thesaurus and synonym options for words you enter.
• OneLook Dictionaries
• Edmund's Automobile Buyer's Guides - Auto-by-tel, Kelley's Blue Book, CarsDirect
• "The List" of Internet Service Providers.
• Zip code look up - Federal Express | UPS