Directory submission was a popular SEO practice in the past, but its effectiveness has diminished over time due to changes in search engine algorithms. Nevertheless, if you still wish to explore directory submission websites, here are 12 examples:

http://www.dmoz.org

DMOZ (Open Directory Project)

http://dir.yahoo.com

Yahoo Directory

http://www.botw.org

Best of the Web (BOTW)

http://www.yelp.com

Yelp

http://www.yellowpages.com

Yellow Pages

http://www.hotfrog.com

Hotfrog

http://www.bingplaces.com

Bing Places for Business

http://www.google.com/business

Google My Business

http://aboutus.com

AboutUs

http://www.business.com

Business.com

http://www.justdial.com

Justdial

http://www.ezilon.com

Ezilon

Please note that the impact of directory submissions on search engine rankings has diminished, and some directories may have changed or discontinued their submission services.

It's generally more beneficial to focus on other SEO strategies such as creating quality content, building backlinks from authoritative websites, and optimizing your website for search engines.