|Company||Market Cap (USD)|
|Waste Management, Inc.||$64.40 B|
|Republic Services, Inc.||$40.76 B|
|Veolia Environnement SA||$19.12 B|
|GFL Environmental Inc.||$10.36 B|
|Clean Harbors, Inc.||$6.00 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.