Chubb Limited provides insurance and reinsurance products worldwide. The company's North America Commercial P&C Insurance segment offers commercial property, casualty, workers' compensation, package policies, risk management, financial lines, marine, construction, environmental, medical risk, cyber risk, surety, and casualty; and group accident and health insurance to large, middle market, and small commercial businesses. Its North America Personal P&C Insurance segment provides affluent and high net worth individuals and families with homeowners, automobile and collector cars, valuable articles, personal and excess liability, travel insurance, and recreational marine insurance and services. The company's North America Agricultural Insurance segment offers multiple peril crop and crop-hail insurance; and coverage for farm, ranch, and specialty property and casualty, and commercial agriculture products. Its Overseas General Insurance segment provides coverage for traditional commercial property and casualty; specialty categories, such as financial lines, marine, energy, aviation, political risk, and construction; and group accident and health, and traditional and specialty personal lines for corporations, middle markets, and small customers through retail brokers, agents, and other channels. The company's Global Reinsurance segment offers traditional and specialty reinsurance under the Chubb Tempest Re brand to property and casualty companies. Its Life Insurance segment provides protection and savings products comprising whole life, endowment plans, individual and life, group term life, health protection, personal accident, credit life, universal life, group employee benefits, and unit linked contracts. It markets its products primarily through insurance and reinsurance brokers. The company was formerly known as ACE Limited and changed its name to Chubb Limited in January 2016. Chubb Limited was incorporated in 1985 and is headquartered in Zurich, Switzerland.

The Travelers Companies, Inc., through its subsidiaries, provides a range of commercial and personal property, and casualty insurance products and services to businesses, government units, associations, and individuals in the United States and internationally. The company operates through three segments: Business Insurance, Bond & Specialty Insurance, and Personal Insurance. The Business Insurance segment offers workers' compensation, commercial automobile and property, general liability, commercial multi-peril, employers' liability, public and product liability, professional indemnity, marine, aviation, onshore and offshore energy, construction, terrorism, personal accident, and kidnap and ransom insurance products. This segment operates through select accounts, which serve small businesses; commercial accounts that serve mid-sized businesses; national accounts, which serve large companies; and national property and other that serve large and mid-sized customers, commercial trucking industry, and agricultural businesses, as well as markets and distributes its products through brokers, wholesale agents, and program managers. The Bond & Specialty Insurance segment provides surety, fidelity, management and professional liability, and other property and casualty coverages and related risk management services through independent agencies and brokers. The Personal Insurance segment offers property and casualty insurance covering personal risks, primarily automobile and homeowners' insurance to individuals through independent agencies and brokers. The Travelers Companies, Inc. was founded in 1853 and is based in New York, New York.

American International Group, Inc. offers insurance products for commercial, institutional, and individual customers in North America and internationally. It operates through three segments: General Insurance, Life and Retirement, and Other Operations. The General Insurance segment provides commercial and industrial property insurance, including business interruption and package insurance that cover exposure to made and natural disasters; general liability, environmental, commercial automobile liability, workers' compensation, excess casualty, and crisis management insurance products; and professional liability insurance. This segment offers marine, energy-related property insurance, aviation, political risk, trade credit, trade finance, and portfolio solutions, as well as operates reinsurance business; voluntary and sponsor-paid personal accident, and supplemental health products; and personal auto and personal property insurance. Its Life and Retirement segment offers individual retirement products, including variable, fixed index, and fixed annuities, as well as retail mutual funds; group retirement products comprising record-keeping, plan administrative and compliance services, financial planning, and advisory solutions; life insurance, including term and universal life insurance; and institutional markets products, which includes wrap products, structured settlement, pension risk transfer annuities, corporate and bank-owned life insurance, high net worth, and guaranteed investment contract products. It distributes its products through a network of brokers, agents, advisors, banks, and other distributors. The company was founded in 1919 and is headquartered in New York, New York.

Everest Group, Ltd., through its subsidiaries, provides reinsurance and insurance products in the United States, Europe, and internationally. The company operates through two segment, Insurance and Reinsurance. The Reinsurance segment writes property and casualty reinsurance; and specialty lines of business through reinsurance brokers, as well as directly with ceding companies in the United States, Bermuda, Ireland, Canada, Singapore, Switzerland, and the United Kingdom. The Insurance Operations segment writes property and casualty insurance directly, as well as through brokers, surplus lines, and general agents in the United States, Bermuda, Canada, Europe, South America, Singapore, France, Germany, Spain, Canada, Chile, the United Kingdom, Ireland, and the Netherlands. The company also provides treaty and facultative reinsurance products; admitted and non-admitted insurance products; and accident and health, specialty underwriters, eversports and entertainment, and surety and credit, marine and aviation, as well as structured and property hybrid solutions. In addition, it offers commercial property and casualty insurance products through wholesale and retail brokers, surplus lines brokers, and program administrators. The company was formerly known as Everest Re Group, Ltd. and changed its name to Everest Group, Ltd. in July 2023.Everest Group, Ltd., was founded in 1973 and is headquartered in Hamilton, Bermuda.

The Hanover Insurance Group, Inc., through its subsidiaries, provides various property and casualty insurance products and services in the United States. The company operates through four segments: Core Commercial, Specialty, Personal Lines, and Other. The Commercial Lines segment offers commercial multiple peril, commercial automobile, workers' compensation, and other commercial lines coverage. The Specialty segment provides professional and executive Lines, marine, and surety and other, as well as specialty property and casualty, such as program business, specialty industrial business, excess and surplus business, and specialty general liability coverage. The Personal Lines segment offers personal automobile and homeowner's coverages, as well as other personal coverages, such as personal umbrella, inland marine, fire, personal watercraft, personal cyber, and other miscellaneous coverages. The Other segment markets investment advisory services to institutions, insurance companies, pension funds, and other organizations. The Hanover Insurance Group, Inc. markets its products and services through independent agents and brokers. The company was formerly known as Allmerica Financial Corp. and changed its name to The Hanover Insurance Group, Inc. in December 2005. The Hanover Insurance Group, Inc. was founded in 1852 and is headquartered in Worcester, Massachusetts.

Safety Insurance Group, Inc. provides private passenger and commercial automobile, and homeowner insurance in the United States. The company's private passenger automobile policies offer coverage for bodily injury and property damage to others, no-fault personal injury coverage for the insured/insured's car occupants, and physical damage coverage for an insured's own vehicle for collision or other perils. It also provides commercial automobile policies that offer insurance for commercial vehicles used for business purposes, including private passenger-type vehicles, trucks, tractors and trailers, insure individual vehicles, and commercial fleets; and homeowners policies, which provide coverage for homes, condominiums, and apartments for losses to a dwelling and its contents from various perils, and coverage for liability to others arising from ownership or occupancy. In addition, the company offers business owners policies that cover apartments and residential condominiums, restaurants, office condominiums, processing and services businesses, special trade contractors, and wholesalers. Further, it provides personal umbrella policies, which provide personal excess liability coverage over and above the limits of individual automobile, watercraft, and homeowner's insurance policies; and commercial umbrella, which offers an excess liability product to clients, as well as underwrites dwelling fire insurance for non-owner-occupied residences. Additionally, the company offers inland marine coverage for homeowners and business owner policies, and watercraft coverage for small and medium sized pleasure crafts. It distributes its products through independent agents. The company was formerly known as Safety Holdings Inc and changed its name to Safety Insurance Group, Inc. in April 2002. Safety Insurance Group, Inc. was founded in 1979 and is headquartered in Boston, Massachusetts.

Universal Insurance Holdings, Inc., together with its subsidiaries, operates as an integrated insurance holding company in the United States. It develops, markets, and underwrites insurance products for personal residential insurance, such as homeowners, renters/tenants, condo unit owners, and dwelling/fire; and offers allied lines, coverage for other structures, and personal property, liability, and personal articles coverages. The company also advises on actuarial issues, oversees distribution, administers claims payments, performs policy administration and underwriting, and assists with reinsurance negotiations; places and manages reinsurance programs for the insurance entities; and operates Clovered.com, a digital agency for various carrier partners and utilization of digital applications for adjusting claims. It offers its products through a network of independent agents, as well as direct-to-consumer online solutions, including digital insurance agency. The company was formerly known as Universal Heights, Inc. and changed its name to Universal Insurance Holdings, Inc. in January 2001. Universal Insurance Holdings, Inc. was incorporated in 1990 and is headquartered in Fort Lauderdale, Florida.

Kingstone Companies, Inc., through its subsidiary, provides property and casualty insurance products to individuals in the United States. It offers personal line of insurance products, such as homeowners and dwelling fire, cooperative/condominiums, renters, and personal umbrella policies. The company also provides for-hire vehicle physical damage only policies for livery and car service vehicles and taxicabs; and canine legal liability policies. In addition, it offers reinsurance products. The company underwrites its products through retail and wholesale agents and brokers. The company was formerly known as DCAP Group, Inc. and changed its name to Kingstone Companies, Inc. in July 2009. Kingstone Companies, Inc. was founded in 1886 and is headquartered in Kingston, New York.