|Company||Market Cap (USD)|
|Chubb Limited||$98.57 B|
|The Progressive Corporation||$67.31 B|
|General Accident plc||$51.43 B|
|The Travelers Companies, Inc.||$45.56 B|
|The Allstate Corporation||$41.54 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.