Directories
There are many web directories online which are having thousands of listings arranged in diffrent Categories. Submitting to Directories is required in SEO process.Most of the Directory listing are paid, free, reciprocal listing according the popularity of directories.
one of the major open directory is www.dmoz.org from where google msn and major search engines take data. at domz you need to got relavent Category and submit the listing.it takes 45-60 days to get listed after review by human editor. yahoo directory is having paid listing that cost you $299/year. http://dir.yahoo.com google directory at http://www.google.com/dirhp google will dmoz open directory.
Some directories list which are free or paid.
1.http://botw.org
2.http://www.business.com
3.http://www.stpt.com
4.http://www.wowdirectory.com
5.http://www.alivedirectory.com
6.http://www.site-sift.com
7.http://www.whatuseek.com
8.http://www.greenstalk.com
9.http://www.dirfly.com
10.http://www.joeant.com
11.http://www.elib.org
12.http://www.ezilon.com
13.http://www.webworldindex.com