Canada has three companies in the Global 100 companies, unfortunately they are all banks.

As opposed to manufactures and research companies

Number 54 TD BANK GROUP CA
Number 42 S ROYAL BANK OF CANADA CA
Number 88 BANK OF NOVA SCOTIA CA
in top 100
METHODOLOGY
THE FORBES GLOBAL 2000 IS A LIST OF THE WORLD’S LARGEST PUBLIC COMPANIES AS MEASURED BY REVENUES, PROFITS, ASSETS AND MARKET VALUE AS OF MAY 11, USING DATA FROM FACTSET RESEARCH SYSTEMS. WE WEIGHT THE FOUR METRICS EQUALLY TO COME UP WITH A COMPOSITE SCORE. NOT INCLUDED ARE EMPLOYEE- OR COOPERATIVE-OWNED ENTITIES SUCH AS HUAWEI OF CHINA AND FONTERRA OF NEW ZEALAND. COMPANIES STRUCTURED AS LIMITED PARTNERSHIPS, SUCH AS SOME LARGE PRIVATE EQUITY FIRMS, ARE EXCLUDED FOR ACCOUNTING INCONSISTENCIES. LATER ACTIVITY NOT REFLECTED.

 Source: Forbes_Asia_-_06_2018.pdf