Though they face stiff competition to provide insurance and risk mitigation products and services to individuals, businesses, and institutions, the most important threat for insurers comes from the disruption of their traditional business by insurance tech startups. These new “InsurTech” companies create new ways for people and companies to hedge, manage and anticipate risks and exposure to various hazards, which can impede the activities of traditional insurance companies. And some of them, among the largest US startups, have already grown to become “unicorns”: startups with a valuation above 1 billion dollars.
Nevertheless, insurance companies are still a pillar of the US economy and they will remain in this position for the foreseeable future. The US is such a great business arena for insurers to prosper that they can use their national foothold to expand abroad and conquer new markets. Whether they provide life and health insurance, property and casualty insurance, insurance brokering services, or reinsurance, insurance companies are in the US to stay, and potentially, also to conquer the rest of the world.
List of the top 20 largest American insurance companies by market capitalization
To give you more perspective on the actors of the American financial sector and insurance industry, details about the twenty largest insurance companies headquartered in the US have been listed hereafter. Each company is detailed with presentations of its industry, activities, market capitalization, a direct link to its website, logo, and stock symbol.
For more information on other leading American and financial companies, check our other posts:
- Top US companies in the S&P 500
- Top US companies in the Dow Jones
- Top US companies in the Nasdaq
- Top US financial companies
- Top US banks
- Top US tech companies
- Top US real estate companies
- Top US energy companies
- Top US employers worldwide
- Top UK financial companies
The insurance companies listed hereafter are ranked by market capitalization in United States Dollars, as of effective close on Friday, January 29, 2021. They are defined as belonging to the industries of property and casualty insurance, life and health insurance, multi-line insurance, insurance brokers, and reinsurance.
For more information on the largest American companies, download our S&P 500 companies Excel file containing the complete list of the 500 largest publicly listed companies in the US, together with extensive business, market, financial, and digital information on each company. For even more data on the largest US companies, download our Excel files on the Russell 1000 companies, Russell 2000 companies, or Russell 3000 companies.
Shortcuts to each insurance company
To facilitate your browsing in this long list, here are quick links to go directly to the details of any of the top 20 American insurance companies. Be sure to also check the Top 10 US insurance companies’ summary after the list!