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.

Arch Capital Group Ltd., together with its subsidiaries, provides insurance, reinsurance, and mortgage insurance products worldwide. The company's Insurance segment offers primary and excess casualty coverages; loss sensitive primary casualty insurance programs; directors' and officers' liability, errors and omissions liability, employment practices and fiduciary liability, crime, professional indemnity, and other financial related coverages; medical professional and general liability insurance coverages; and workers' compensation and umbrella liability, as well as commercial automobile and inland marine products. It also provides property, energy, marine, and aviation insurance; travel insurance; accident, disability, and medical plan insurance coverages; captive insurance programs; employer's liability; contract and commercial surety coverages; and collateral protection, debt cancellation, and service contract reimbursement products. This segment markets its products through a group of licensed independent retail and wholesale brokers. Its Reinsurance segment provides casualty reinsurance for third party liability exposures; marine and aviation; motor reinsurance, whole account multi-line treaties, cyber, trade credit, surety, accident and health, workers' compensation catastrophe, agriculture, trade credit, and political risk products; reinsurance protection for catastrophic losses, and personal lines and commercial property exposures; life reinsurance; casualty clash; and risk management solutions. This segment markets its reinsurance products through brokers. The company's Mortgage segment offers direct mortgage insurance and mortgage reinsurance. The company was founded in 1995 and is based in Pembroke, Bermuda.

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.

RenaissanceRe Holdings Ltd., together with its subsidiaries, provides reinsurance and insurance products in the United States and internationally. The company operates through Property, and Casualty and Specialty segments. The Property segment writes property catastrophe excess of loss reinsurance and excess of loss reinsurance to insure insurance and reinsurance companies against natural and man-made catastrophes, including hurricanes, earthquakes, typhoons, and tsunamis, as well as winter storms, freezes, floods, fires, windstorms, tornadoes, explosions, and acts of terrorism; and other property class of products, such as proportional reinsurance, property per risk, property reinsurance, binding facilities, and regional U.S. multi-line reinsurance. The Casualty and Specialty segment writes various classes of products, such as directors and officers, medical malpractice, and professional indemnity; automobile and employer's liability, casualty clash, umbrella or excess casualty, workers' compensation, and general liability; financial and mortgage guaranty, political risk, surety, and trade credit; and accident and health, agriculture, aviation, cyber, energy, marine, satellite, and terrorism. It distributes products and services primarily through intermediaries. The company invests in and manages funds. RenaissanceRe Holdings Ltd. was founded in 1993 and is headquartered in Pembroke, Bermuda.

AXIS Capital Holdings Limited, through its subsidiaries, provides various specialty insurance and reinsurance products in Bermuda, the United States, and internationally. It operates through two segments, Insurance and Reinsurance. The Insurance segment offers professional insurance products that cover directors' and officers' liability, errors and omissions, employment practices, fiduciary, crime, professional indemnity, medical malpractice, and other financial insurance related coverages for commercial enterprises, financial institutions, not-for-profit organizations, and other professional service providers; and property insurance products for commercial buildings, residential premises, construction projects, property in transit, onshore renewable energy installations, and physical damage and business interruption following an act of terrorism. This segment also provides marine and aviation insurance services for offshore energy, renewable offshore energy, cargo, liability, including kidnap and ransom, fine art, specie, and hull war, hull and liability, and specific war coverage for passenger airlines, cargo operations, general aviation operations, airports, aviation authorities, security firms, and product manufacturers; personal accident, travel insurance, specialty health products for employer and affinity groups, and pet insurance products; and liability, cyber, and credit and political risk insurance services. The Reinsurance segment offers agriculture, marine and aviation, catastrophe, accidental and health, credit and surety, motor, professional, travel, life, engineering, property, and liability reinsurance products. AXIS Capital Holdings Limited was founded in 2001 and is headquartered in Pembroke, Bermuda.

Hamilton Insurance Group, Ltd., through its subsidiaries, provides underwriting specialty insurance and reinsurance risks in Bermuda and internationally. The company operates Hamilton Global Specialty, Hamilton Select, and Hamilton Re underwriting platforms. The company offers casualty reinsurance products, such as commercial motor, general liability, healthcare, multiline, personal motor, professional liability, umbrella and excess casualty, and worker's compensation and employer's liability reinsurance; property reinsurance and insurance; and specialty reinsurance solutions, including accident and health, aviation and space, crisis management, mortgage, financial lines, marine and energy, and multiline specialty. In addition, it offers accident and health, cyber, energy, environmental, financial lines, fine art and specie, kidnap and ransom, mergers and acquisitions, marine and energy liability, political risk and violence, professional liability, property binders, property direct and facultative, professional lines, space, upstream energy, excess casualty, war and terrorism, allied medical, management liability, medical professionals, general liability, products liability and contractors, and small business casualty insurance plans, as well as surety and treaty reinsurance products. The company was incorporated in 2013 and is headquartered in Pembroke, Bermuda.

Global Indemnity Group, LLC, through its subsidiaries, provides specialty property and casualty insurance, and reinsurance products worldwide. It operates in two segments, Penn-America and Non-Core Operations. The company distributes property and general liability products for small commercial businesses through a network of wholesale general agents; and property and general liability niche products through program administrators with specific binding authority. It also provides third-party treaty reinsurance for casualty insurance and reinsurance companies through brokers/intermediaries. In addition, the company offers property and general liability products distributed using company administered systems, and includes collectibles, digital direct-to-consumer insurance coverage for owners of collections; and VacantExpress, insurance coverage for owners of properties under construction, renovation, vacant, or rented, distributed through wholesale general agents and retail agents. Global Indemnity Group, LLC was founded in 2003 and is headquartered in Bala Cynwyd, Pennsylvania.