From Wikicompany
- http://en.wikipedia.org/wiki/Category:Lists_of_companies_by_country
- http://en.wikipedia.org/wiki/Lists_of_companies
- http://www.globalyp.com/world.htm
- http://dmoz.org/Business/
- http://www.tbc-world.com
- http://www.worlddirectory.com
- http://www.transnationale.org
- http://www.kompass.com
- http://www.hoovers.com
- http://www.infobel.com
- http://www.business.com
- http://www.ibdi.com
- http://www.yellowpagesworld.com
- http://www.businesspatrol.com
- http://www.clickey.com
- http://www.fexit.com
- http://www.internationalbusinessdirectory.com
- http://www.directindustry.com
