1. Allstate Insurance Company
The Allstate Insurance Company was founded in 1906. It is headquartered in Chicago, Illinois and is the second-largest property/casualty insurer in the United States. It offers auto, home, renters, commercial, and life insurance products. According to their website, they insure over 50 million households and have nearly 40 million customers. In 2016, they had $12 billion in gross written premiums.
2. American Family Insurance
American Family Insurance was founded in 1948. It is headquartered in Madison, Wisconsin and provides homeowners, renters, and business insurance. As of 2014, they were the third-largest property/casuality insurer in the U.S., according to Forbes magazine. They offer policies in 48 states and provide coverage for over 30 million people.
3. Berkshire Hathaway Inc.
Berkshire Hathaway Inc. was founded in 1882 by investor Warren Buffett and Charlie Munger. It is based in Omaha, Nebraska and is considered one of the world’s most successful companies. It is primarily known for its diversified holdings in various industries including utilities, railroads, retail, manufacturing, services, and agriculture. As of 2015, it held approximately $256 billion worth of assets.
Cargill is a privately owned multinational agribusiness corporation operating in more than 60 countries around the world. Founded in 1865, it specializes in providing agricultural products and financial services to farmers. As of 2015, they operated in about 70 countries and employed over 100,000 employees. Their primary businesses included livestock, grain storage, food processing, financial services, and oilseeds.
Walmart is a publically traded company listed on the New York Stock Exchange. It is the largest retailer in the world by revenue and market value. It operates 434 supercenters, 430 grocery stores, and 1165 discount stores in 28 countries. As of 2015, the company had annual revenues of $485.8 billion and net income of $41.3 billion.
6. Wells Fargo & Co.
Wells Fargo & Co. is an American multinational banking holding company headquartered in San Francisco, California. Founded in 1852, it is one of the oldest banks in the United States. As of 2017, it was ranked 17 on the Fortune 500 list of largest corporations in the United States.
AT&T is a telecommunication company that owns the brands of WarnerMedia (formerly TimeWarner) and DirecTV. It is headquartered in Columbus, Ohio and is the largest provider of telephone service in the United States. In addition to telecommunications, it also provides broadband internet access, satellite television, wireless communications, voice over internet protocol services, and device financing. As of 2017, AT&T provided service to over 15 million businesses and residential consumers.