This is a global list of largest technology companies by revenue, according to the Fortune Global 500. Other metrics not shown here, in particular market capitalization, are often used alternatively to define the size of a company.
Companies are ranked by total revenues for their respective fiscal years ended on or before March 31, 2021. All data in the table is taken from the Fortune Global 500 list of technology sector companies for 2021 unless otherwise specified.
As of 2020, Fortune lists Amazon (revenue of $280.522 billion) in the retailing sector rather than the technology sector.
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