Companies: U.S., Canada, and International

Top resources

• Business Insights: Essentials
  Online.  Information on large public and private companies worldwide. 
  
  
• Company Dossier
  Online.  Information on large and small, public and private businesses worldwide. 
  
  
• MarketLine Company Profiles
  Online.  Multi-page reports on a large number of national and international companies.  Under More (top of the screen), select "Company Profiles."  Previously called Datamonitor.
  
  
• EDGAR
  Online.  Free access to public company filings from the U.S. Securities Exchange Commission.  List of form types (pdf).  Coverage begins in 1994. 

Others

• AtoZdatabases
  Online.  Directory of over 31 million U.S. businesses.
  
  
• Canadian Business Resource
  Online.  Canadian company profiles.  Also available in print. 
  
  
• Canadian Key Business Directory
  Print.  Over 140,000 Canadian business listings.
  
  
• Directory of Service Companies
  Print.  U.S. coverage. 
  
  
• Employer Locator
  Free website hosted by the U.S. Department of Labor.
  
  
• GlobalData
  Online.  Often includes SWOT analysis.  Global coverage.
  
  
• State Business Filings Databases
  Online.  Collection of links to state business filings.

• SEDAR (System for Electronic Document Analysis and Retrieval)
  Online.  Gateway to public company filings required by the Canadian Securities Administrators.  Coverage begins in 1997.

•  Worldwide Company Registries
  Online resource.