Canada Finance Department   Canada Finance Department site of publications, press releases and speeches (bilingual).
Canadian Institute of Chartered Accountants Lots of information - not just for accountants. 
Ernst & Young (Canada)   Useful resource for summaries of budgets and other government legislation.
KPMG Canada Useful resource for summaries of budgets and other government legislation.
Ministry of Consumer & Commercial Relations 375-393 University Avenue, 2nd Floor 416-314-8880
Business Registration
Ministry of Labour, Employment Standards Branch Labour Regulations
400 University Avenue, 9th Floor
416-326-7160
Pay Equity Pay Equity Commission Toronto 416-481-4464
Toronto Business Development Centre 1071 King Street West 416-345-9437