Top 5 Search Engines in the United States (The Majors) by Rank

1. Google
   Free Submit: http://www.google.com/addurl/
   
2. Yahoo! Search
   Free Submit: http://submit.search.yahoo.com/free/request/
   
3. MSN Live Search
   Free Submit: http://search.msn.com/docs/submit.aspx
   
4. AOL Search - Powered by Google
   Submit: https://adwords.google.com/select/
   
5. Ask - Powered by Teoma
   FAQs: http://static.wc.ask.com/en/docs/about/webmasters.shtml#18