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.

The Allstate Corporation, together with its subsidiaries, provides property and casualty, and other insurance products in the United States and Canada. It operates in five segments: Allstate Protection; Protection Services; Allstate Health and Benefits; Run-off Property-Liability; and Corporate and Other segments. The Allstate Protection segment offers private passenger auto and homeowners insurance; other personal lines products; and commercial lines products through agents, contact centers, and online. The Protection Services segment provides consumer product protection; protection and insurance products, including vehicle service contracts, guaranteed asset protection, road hazard tire and wheel, and paintless dent repair protection; and roadside assistance, device and mobile data collection services, and analytic solutions using automotive telematics information, as well as identity theft protection and remediation services. This segment also offers its products under various brands, including Allstate Protection Plans, Allstate Dealer Services, Allstate Roadside, Arity, Avail, and Allstate Identity Protection. The Allstate Health and Benefits segment provides life, accident, critical illness, short-term disability, and other health insurance products; stop-loss and fully insured group health products to employers; and short-term medical and medicare supplement insurance to individuals. The Run-off Property-Liability segment offers property and casualty insurance coverage that primarily relates to policies written during the 1960s through the mid-1980s. The Corporate and Other segment provides debt services, as well as non-insurance operations. It sells its products through agents, independent agents, call and contact centers, retailers, direct to consumer, wholesale partners, and affinity groups, as well as through online and mobile applications. The Allstate Corporation was founded in 1931 and is headquartered in Northbrook, Illinois.

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.

The Hartford Financial Services Group, Inc., together with its subsidiaries, provides insurance and financial services to individual and business customers in the United States, the United Kingdom, and internationally. Its Commercial Lines segment offers insurance coverages, including workers' compensation, property, automobile, general and professional liability, package business, umbrella, fidelity and surety, marine, livestock, accident, health, and reinsurance through regional offices, branches, sales and policyholder service centers, independent retail agents and brokers, wholesale agents, and reinsurance brokers. The company's Personal Lines segment provides automobile, homeowners, and personal umbrella coverages through direct-to-consumer channels and independent agents. Its Property & Casualty Other Operations segment offers coverage for asbestos and environmental exposures. The company's Group Benefits segment provides group life, disability, and other group coverages to members of employer groups, associations, and affinity groups through direct insurance policies; reinsurance to other insurance companies; employer paid and voluntary product coverages; disability underwriting, administration, and claims processing to self-funded employer plans; and leave management solution. This segment also distributes its group insurance products and services through brokers, consultants, third-party administrators, trade associations, and private exchanges. Its Hartford Funds segment offers managed mutual funds across various asset classes; and exchange-traded funds through broker-dealer organizations, independent financial advisers, defined contribution plans, financial consultants, bank trust groups, and registered investment advisers, as well as investment management, distribution, and administrative services, such as product design, implementation, and oversight. The company was founded in 1810 and is headquartered in Hartford, Connecticut.

Selective Insurance Group, Inc., together with its subsidiaries, provides insurance products and services in the United States. The company operates through four segments: Standard Commercial Lines, Standard Personal Lines, E&S Lines, and Investments. It offers casualty insurance products that covers the financial consequences of employee injuries in the course of employment and bodily injury and/or property damage to a third party; property insurance products, which covers the accidental loss of an insured's real property, personal property, and/or earnings due to the property's loss; and flood insurance products. The company also invests in fixed income investments and commercial mortgage loans, as well as equity securities, short-term investments, and alternative investments, and other investments. It offers its insurance products and services to businesses, non-profit organizations, local government agencies, and individuals through independent retail agents and wholesale general agents. The company was founded in 1926 and is headquartered in Branchville, New Jersey.

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.

Tiptree Inc., through its subsidiaries, provides specialty insurance products and related services primarily in the United States. It operates through two segments: Insurance and Mortgage. The company offers niche; commercial lines insurance products, including professional liability, general liability, contractual liability protection, property and other short-tail, and alternative risks insurance products; and personal lines insurance products, such as credit protection surrounding loan payments. It also provides auto and consumer warranty programs, including mobile devices, consumer electronics, appliances, furniture; and vehicle service contracts, GAP, and ancillary products; as well as premium or warranty contract financing services, lead generation support, and business process outsourcing services. In addition, the company offers mortgage loans for institutional investors; asset management services; and maritime shipping and asset management services, as well as invests in shares. It markets its products through a network of independent insurance agents, consumer finance companies, online retailers, auto dealers, and regional big box retailers. The company was formerly known as Tiptree Financial Inc. and changed its name to Tiptree Inc. in December 2016. Tiptree Inc. was founded in 1978 and is headquartered in Greenwich, Connecticut.

Donegal Group Inc., an insurance holding company, provides property and casualty insurance to businesses and individuals. It operates through three segments: Investment Function, Personal Lines of Insurance, and Commercial Lines of Insurance. The company offers private passenger automobile policies that provide protection against liability for bodily injury and property damage arising from automobile accidents, as well as protection against loss from damage to automobiles; and homeowners policies, which provide coverage for damage to residences and their contents from a range of perils, including fire, lightning, windstorm, and theft, as well as liability of the insured arising from injury to other persons or their property. Donegal Group Inc. also offers commercial automobile policies that provide protection against liability for bodily injury and property damage arising from automobile accidents and protection against loss from damage to automobiles owned by the insured; commercial multi-peril policies that provide protection to businesses against combining liability and physical damage coverages; and workers' compensation policies, which provide benefits to employees for injuries sustained during employment. The company markets its insurance products primarily to Mid-Atlantic, Midwestern, New England, Southern, and Southwestern regions through independent insurance agencies. Donegal Group Inc. was incorporated in 1986 and is based in Marietta, Pennsylvania. Donegal Group Inc. operates as a subsidiary of Donegal Mutual Insurance Company.