Free Business Directories - Directory Critic

http://www.directorycritic.com

Provides large list of web directories, which includes free, paid and niche directories.

Free Web Submission

http://www.freewebsubmission.com

Provides list of free web directories including alexa ranking and page rank.

Free Directory

http://www.submittofreedirectory.com/

Submit to free directory is a SEO friendly free link & paid link directory where sites are reviewed manually and approved.

Web directory of Top Sites Dmegs.com

http://www.dmegs.com

SEO friendly web directory of top sites & blogs organized by topic into categories and presented according to relevance of website. Submit your website free.

ODP

http://www.opendirectoryproject.org

The Open Directory Project is a large directory which was built using the collaborative efforts of over 90,000 editors.

List of Web Directories - Search4i.com

http://www.search4i.com/Web-directory

Provides list of free, paid, reciprocal and niche web directories around the world.

Web Directory

http://www.whenweseo.com/web_directories/web_directories.jsp

List of web directories around the world.

DirStats - Directory List

http://www.dirstats.com

Web directory list offering listings of SEO quality web directories. Assists webmasters in submitting websites.

Directory List

http://www.listofdirectory.com

Provides list of free web directories.

26,000 Web Directories

http://www.directorysnob.com

One of the internet's largest directory list.

Go Guides

http://www.goguides.org/

Human edited directory assisting people find information on the web one search at a time.

9dir.com

http://www.9dir.com

Provides list of free directories who accept free submissions.

Paid Directory List

http://www.paiddirectorylist.com

Provides resource on SEO friendly paid directories including their page rank, backlinks, alexa ranking and pricing information.