|Company||Market Cap (USD)|
|CenterPoint Energy, Inc.||$18.24 B|
|The Hong Kong and China Gas Company Ltd||$18.14 B|
|ENN Energy Holdings Ltd||$17.40 B|
|Snam S.p.A.||$16.85 B|
|Atmos Energy Corporation||$15.34 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.