Below are potential sources of information for researching your competitors.
1. ProFile Canada http://www.profilecanada.com/index.cfm
2. Canadian Trade Index – The Industrial Purchasing Directory http://www.ctidirectory.com/

3. Profile USA http://www.nexport.com/

4. US Industrial Directory http://www.macraesbluebook.com/

5. FRASERS Canada’s online industrial directory and search engine. http://www.frasers.com/

6. Canada One http://www.canadaone.com/business/

7. RFPSource https://www.rfpsource.ca/E/index.cfm

8. Industrial Supplies Directory http://www.thomasnet.com/

9. Business databases (for example: Hoover’s Online, and Dun & Bradstreet, LexisNexis

10. Strategic http://strategis.ic.gc.ca/

11. SEDAR http://www.sedar.com/

12. Compass http://www.kompass.com/

13. SuperPages http://www.superpages.ca/

14. RSS feeds http://www.ft.com/intl/rss

15. Public records http://www.loc.gov/rr/business/company/public.html

16. Statista http://www.statista.com/

17. Canada Business Network http://www.canadabusiness.ca/eng/page/2864/