Alleghany Corporation is an American investment holding company originally created by the railroad entrepreneurs Oris and Mantis Van Sweringen as a holding company for their railroad interests. It was incorporated in 1929 and reincorporated in Delaware in 1984. On March 21, 2022, Berkshire Hathaway made an $11.6 billion offer to acquire the company, which completed in October 2022.
American International Group, Inc. (AIG) is an American multinational finance and insurance corporation with operations in more than 80 countries and jurisdictions. As of 2023, AIG employed 25,200 people. The company operates through three core businesses: general insurance, life & retirement, and a standalone technology-enabled subsidiary. General Insurance includes Commercial, Personal Insurance, U.S. and International field operations. Life & Retirement includes Group Retirement, Individual Retirement, Life, and Institutional Markets. AIG is the title sponsor of the AIG Women's Open golf tournament. In 2023, for the sixth consecutive year, DiversityInc named AIG among the Top 50 Companies for Diversity list.
Swiss Re Ltd is a Swiss reinsurance company founded in 1863 and headquartered in Zürich, Switzerland. It is one of the world's largest reinsurers, as measured by gross premiums written. Swiss Re operates through around 80 offices in 29 countries and employs over 14,000 people. It was ranked 519th on the Forbes Global 2000 list and ranked 316th on the Fortune Global 500 in 2023. Swiss Re is listed on the SIX Swiss Exchange.
Hannover Re is a reinsurance company based in Hannover, Germany. It is the third-largest reinsurance group in the world, with a gross premium of around €33 billion. Founded in 1966, Hannover Re transacts all lines of property & casualty and life & health reinsurance and has a network of over 170 subsidiaries, branches and representative offices on all five continents with a total staff of more than 3,000. The Group's German business is written by the subsidiary E+S Rück.
General Reinsurance Corporation is an American multinational property/casualty and life/health reinsurance company offering a range of reinsurance products and services. The company is a primarily direct reinsurer and is represented in all major reinsurance markets worldwide through a network of more than 40 offices. Gen Re is a wholly owned subsidiary of Berkshire Hathaway Inc.
Fairfax Financial Holdings Limited is a Canadian financial holding company based in Toronto, Ontario, engaged in property, casualty, insurance and reinsurance, investment management, and insurance claims management. The company operates primarily through several subsidiaries, including Allied World, Odyssey Re, Northbridge Financial, Crum & Forster, Verassure Insurance, Onlia Agency Inc., and Zenith Insurance Company. The company was also the largest shareholder of Torstar with 40% of the Class B shares, as of May 2020.
Chubb Limited is a Swiss company incorporated in Zürich, and listed on the New York Stock Exchange (NYSE) where it is a component of the S&P 500. Chubb is a global provider of insurance products covering property and casualty, accident and health, reinsurance, and life insurance and is the largest publicly traded property and casualty insurance company in the world. Chubb operates in 55 countries and territories and in the Lloyd's insurance market in London. Clients of Chubb consist of multinational corporations and local businesses, individuals, and insurers seeking reinsurance coverage. Chubb provides commercial and personal property and casualty insurance, personal accident and supplemental health insurance, reinsurance, and life insurance.
The People's Insurance Company (Group) of China Limited, known as PICC Group or just PICC, is a Chinese listed insurer. The Chinese Central Government is the controlling shareholder.
Munich Reinsurance America, formerly known as American Re-Insurance Corporation before September 2006, is a major provider of property and casualty reinsurance in the United States. Munich Reinsurance America is a subsidiary of Munich Re. Founded in 1917, the company's headquarters are located in Princeton, New Jersey, with regional offices in San Francisco, Chicago, and New York. The company offers services that provide clients with protection from global disasters such as climate change.
Markel Group Inc. is a group of companies headquartered in Richmond, Virginia, and originally founded in 1930 as an insurance company.
Insurance Services Office, Inc. (ISO), a subsidiary of Verisk Analytics, is a provider of statistical, actuarial, underwriting, and claims information and analytics; compliance and fraud identification tools; policy language; information about specific locations; and technical services. ISO serves insurers, reinsurers, agents and brokers, insurance regulators, risk managers, and other participants in the property/casualty insurance marketplace. Headquartered in Jersey City, New Jersey, United States, the organization serves clients with offices throughout the United States, along with international operations offices in the United Kingdom, Israel, Germany, India and China.
Axa XL is an American subsidiary of global insurance and reinsurance company Axa. It is headquartered in Stamford, Connecticut, domiciled in Hamilton, Bermuda, and has more than 100 offices on 6 continents.
The economy of Stamford, Connecticut is robust and is considered an anomaly for having a large number of corporate headquarters in a city of its size. In the 1980s and 90s, Stamford had the third highest concentration of Fortune 500 companies in the country, with 18 companies headquartered in the city. The only two cities that had higher concentrations in the nation were New York City and Chicago.
Tokio Marine HCC is an international insurance group with offices across the United States, the United Kingdom, Spain, and Ireland. The company is based in Houston, Texas, U.S.
Odyssey Re Holdings Corp., headquartered in Stamford, Connecticut, United States, is an underwriter of property and casualty treaty and facultative reinsurance, as well as specialty insurance. It is a wholly owned subsidiary of Fairfax Financial, a financial services holding company. OdysseyRe operates through four divisions: Americas, EuroAsia, London Market and US Insurance. OdysseyRe offers a range of property, casualty, surety and credit, marine and energy, aviation and space reinsurance products from offices around the world.
Reinsurance Group of America, Incorporated is a holding company for a global life and health reinsurance entity based in Greater St. Louis within the western suburb of Chesterfield, Missouri, United States. With approximately $3.7 trillion of life reinsurance in force and assets of $97.6 billion as of December 31, 2023, RGA has grown to become the only international company to focus primarily on life and health-related reinsurance.
Brian Charles Duperreault is a Bermuda-born American executive in the insurance industry. He stepped down as executive chairman of American International Group in December 2021.
Argo Group International Holdings, Inc, or Argo Group, is a U.S.-based underwriter of specialty insurance products in the property and casualty market.
Talanx is a German multinational financial services company headquartered in Hanover, Germany. Its core businesses include reinsurance, insurance and asset management. Talanx is Germany's third-largest insurance group and one of the major European insurance groups by premium income. The group operates in more than 150 countries.
Arch Capital Group Ltd. is a Bermuda-based public limited company which writes insurance, reinsurance and mortgage insurance on a worldwide basis, with a focus on specialty lines, the segment of the insurance industry where the more difficult and unusual risks are written. It has operations in Bermuda, the United States, Canada, Europe, Australia and, in the case of mortgage insurance, Hong Kong.
