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Canadian Business Directories

Mergent Intellect

Mergent Intellect includes Dun & Bradstreet records for over 165 million active companies around the world, of which over 1.6 million are in Canada. The records tend to be fairly brief -- you might get only industry codes, number of employees, rough sales estimates, and a location for many of the smaller private companies -- but the extreme breadth often makes up for the lack of depth.  

Start with an advanced search, then uncheck the default "Include U.S Companies" and check the box next to "Include Canadian Companies" before exploring the other criteria. This blog post explains some of the other content available in Mergent Intellect.

Nexis Uni (formerly LexisNexis)

Nexis Uni contains a large number of directories from around the world, often with valuable added details such as the approximate sales revenue and number of employees at each company.

For the broadest (international) search, use the Menu option in the top corner of the database's homepage to choose Company Dossier.

Nexis Uni is not a simple database to use.  There is some help available within the database, but please do not hesitate to ask for help using our Ask a Librarian services.

General directories

If you are looking for lists of companies nationally or in particular provinces/cities, one of the many general "Yellow Page" style directories on the web may work for you.  Try such sites as:

There are other Canadian business directory sites on the Internet that offer more details than the average "Yellow Page" site, although they may not be as comprehensive.  The following is just a sample list.  Ask a librarian for help finding other sites if necessary.

Additional resources

Other starting points for this type of research include these SFU Library guides:

Finally, please do make use of our Ask a Librarian services if you are having trouble.  We can often suggest other resources or approaches once we know more about what you need.