Stock Exchanges

Canada
TSX
Bourse de Montreal 
CNQ

United States
New York Stock Exchange
American Stock Exchange
NASDAQ

Canadian Securities Commissions
Alberta Securities Commission
British Columbia Securities Commission
Ontario Securities Commission

Canadian Regulatory Agencies
Investment Industry Regulatory Organization of Canada (IIROC)
Canadian Investors Protection Fund

Public Company Filings and Insider Disclosure
SEC (Edgar)
SEDAR (TSX filings)
SEDI (TSX Insiders filings)