|Company||Market Cap (USD)|
|Vinci SA||$56.75 B|
|Johnson Controls International plc||$43.95 B|
|Quanta Services, Inc.||$20.37 B|
|China Railway Group Ltd||$19.00 B|
|China Communications Construction Co Ltd||$16.32 B|
The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.