List of companies of Canada
is a country in the northern part of North America.
Canada is the world's tenth-largest economy as of 2016, with a nominal GDP of approximately US$1.52 trillion. It is a member of the Organisation for Economic Co-operation and Development and the Group of Seven, and is one of the world's top ten trading nations, with a highly globalized economy. Canada is a mixed economy, ranking above the US and most western European nations on The Heritage Foundation's index of economic freedom, and experiencing a relatively low level of income disparity. The country's average household disposable income per capita is over US$23,900, higher than the OECD average. Furthermore, the Toronto Stock Exchange is the seventh-largest stock exchange in the world by market capitalization, listing over 1,500 companies with a combined market capitalization of over US$2 trillion as of 2015.
For further information on the types of business entities in this country and their abbreviations, see "Business entities in Canada".
Largest firms
This list shows firms in the Fortune Global 500, which ranks firms by total revenues reported before March 31, 2017. Only the top five firms are included as a sample.| Rank | Image | Name | 2016 revenues | Employees | Notes |
| 250 | Manulife | $40,238 | 34,500 | Multinational banking, financial services and insurance carrier in Toronto. Manulife is the largest insurance concern in Canada. | |
| 266 | Power Corporation of Canada | $38,286 | 30,259 | Diversified international management company primarily focused on the financials sector and including holdings in telecommunications and media. Subsidiaries include Power Financial, Gesca and Great-West Lifeco. | |
| 290 | Magna International | $36,445 | 155,450 | Global automotive supplier and one of the largest automobile parts manufacturer in North America. Supplier to the Ford Motor Company, General Motors, and Tesla, Inc., the firm operates in 29 countries. | |
| 293 | George Weston Limited | $36,211 | 195,000 | Diversified food processing and retail distribution firm founded by George Weston in 1882. Includes supermarket chains under the Loblaw Companies umbrella and the Wonder Bread brand of bread. | |
| 304 | Royal Bank of Canada | $34,904 | 75,510 | Multinational financial services firm based in Toronto and the largest bank in Canada. Subsidiaries include City National Bank and RBC Bank |