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.

Prudential Financial, Inc., together with its subsidiaries, provides insurance, investment management, and other financial products and services in the United States and internationally. It operates through PGIM, Retirement Strategies, Group Insurance, Individual Life, and International Businesses segments. The PGIM segment offers investment management services and solutions related to public fixed income, public equity, real estate debt and equity, private credit and other alternatives, and multi-asset class strategies to institutional and retail clients, as well as its general account. The Retirement Strategies segment provides a range of retirement investment, and income products and services to retirement plan sponsors in the public, private, and not-for-profit sectors; develops and distributes individual variable and fixed annuity products. The Group Insurance segment offers various group life, and long-term and short-term group disability, as well as group corporate-, bank-, and trust-owned life insurance in the United States primarily for institutional clients for use in connection with employee and membership benefits plans; sells accidental death and dismemberment, and other supplemental health solutions; and plan administration services in connection with its insurance coverages. The Individual Life segment develops and distributes variable life, universal life, and term life insurance products. The International Businesses segment develops and distributes life insurance, retirement products, investment products, and certain accident and health products; and advisory services. The company provides its products and services to individual and institutional customers through its proprietary and third-party distribution networks. Prudential Financial, Inc. was founded in 1875 and is headquartered in Newark, New Jersey.

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.

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.

Lincoln National Corporation, through its subsidiaries, operates multiple insurance and retirement businesses in the United States. It operates in four segments: Life Insurance, Annuities, Group Protection, and Retirement Plan Services. The Life Insurance segment provides life insurance products, including term insurance, universal life insurance (UL), indexed universal life insurance, variable universal life insurance (VUL), linked-benefit UL and VUL products, and critical illness and long-term care riders. The Annuities segment offers variable, fixed, and registered index-linked annuities. The Group Protection segment offers group non-medical insurance products consisting of short and long-term disability and statutory disability; paid family medical leave administration and absence management services; term life; dental and vision; and accident, critical illness, and hospital indemnity benefits and services to the employer marketplace through various forms of employee-paid and employer-paid plans. The Retirement Plan Services segment provides employers with retirement plan products and services primarily in the defined contribution retirement plan marketplace; individual and group variable annuities, group fixed annuities, and mutual fund-based programs; and various plan services, including plan recordkeeping, compliance testing, participant education, and trust and custodial services. The company distributes its products through consultants, brokers, planners, agents, financial advisors, third-party administrators, and other intermediaries. Lincoln National Corporation was founded in 1905 and is headquartered in Radnor, Pennsylvania.

United Fire Group, Inc., together with its subsidiaries, provides property and casualty insurance for individuals and businesses in the United States. The company offers commercial and personal lines of property and casualty insurance; and reinsurance coverage for property and casualty insurance. Its commercial lines include fire and allied lines, other liability, automobile, workers' compensation, fidelity and surety coverage, and other insurance products; and personal lines comprise automobile, and fire and allied lines coverage, including homeowners, as well as provides assumed reinsurance products. The company sells its products through a network of independent agencies. United Fire Group, Inc. was incorporated in 1946 and is headquartered in Cedar Rapids, Iowa.