The Allstate Corporation is an insurance company headquartered in Northfield Township, Illinois. Tracing its origins to 1931, Allstate Corporation has grown to become the largest publicly-traded property-casualty insurance in the US, offering individual auto and property insurance together with business and commercial insurance as well as an array of associated insurance products. Allstate operates 19 companies in the United States, United Kingdom, Canada, and India.
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.