Individual Search Engines

• Alexa Web Search 
  AllTheWeb 
• AltaVista
• AOL Search
• Ask.com 
  BananaSlug
• ChaCha 
• Exalead
• Factbites 
  Google 
  EcoSmartSearch.com,  
• Google Blog Search
  Google Book Search
  Google Directory,
• Google Scholar, 
  Google U.S. Government Search
• Searchmash
• Hakia
• IceRocket
• iSEEK Education
• KoolTorch
• Live Search
• Lycos
• Quintura
• SearchEdu.com 
• SearchGov.com
• SearchMil.com
• Ujiko
• Webbrain
• Yahoo!

Meta Search Engines

• Cacti Search
• Chubba
• Clusty
• Copernic
• Don Busca
• Dogpile
• Fasteagle  
  Fazzle
• Findelio
• FindForward
• iBoogie
• InfoGrid
• Intelways
• Ixquick
• Kartoo
• Keotag
• KillerInfo
• Mamma
• MetaCrawler
• metaEUREKA 
• Mnemomap 
• Monster Crawler
• Mooter
• Own Mine
• Pandia Search Central
• Slurk
• Sproose
• SurfWax
• Trexy
  URL.com
• Virtual Learning Resources Center WhoNu
• Yooci
• ZapMeta
• Zuula

Search Engine Collections

[Many also include directories]

• SearchBug.com - offers searches organized by topic, and searching of single or multiple search services
• Search Engine Colossus - directory of hundreds of search tools from more than 200 countries around the world
• Search Engine Guide - topical collection of 3000+ engines, directories and portals

====================================