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.

White Mountains Insurance Group, Ltd., through its subsidiaries, provides insurance and other financial services in the United States. The company operates through HG Global/BAM, Ark/WM Outrigger, Kudu, and Other Operations segments. The HG Global/BAM segment provides insurance on municipal bonds issued to finance public purposes, such as schools, utilities, and transportation facilities, as well as reinsurance protection services. The Ark/WM Outrigger segment offers reinsurance and insurance, including property, marine and energy, accident and health, casualty, and specialty products. The Kudu segment provides capital solutions to boutique asset and wealth managers for generational ownership transfers, management buyouts, acquisitions and growth finances, and legacy partner liquidity, as well as strategic assistance to investees. The Other Operations segment offers insurance solutions to travel industry through broker channel and on a direct-to-consumer basis; and manages separate accounts and pooled investment vehicles for insurance-linked securities sectors, including catastrophe bonds, collateralized reinsurance investments, and industry loss warranties of third-party clients. White Mountains Insurance Group, Ltd. was incorporated in 1980 and is headquartered in Hamilton, Bermuda.

Greenlight Capital Re, Ltd., through its subsidiaries, operates as a property and casualty reinsurance company worldwide. The company offers various property reinsurance products and services, including automobile physical damage, personal lines, and commercial lines. It also provides casualty reinsurance products and services comprising general liability, motor liability, professional liability, and worker's compensation; and accident and health, transactional liability, mortgage insurance, surety, trade credit, marine, and energy, as well as other specialty products, such as aviation, crop, cyber, political, and terrorism products. The company markets its products through reinsurance brokers. Greenlight Capital Re, Ltd. was incorporated in 2004 and is headquartered in Grand Cayman, the Cayman Islands.

Maiden Holdings, Ltd., through its subsidiaries, provides property and casualty insurance and reinsurance solutions to regional and specialty insurers in Europe, North America, and internationally. It operates in two segments, Diversified Reinsurance and AmTrust Reinsurance. The company writes treaties on a quota share basis and excess of loss basis. It also offers auto and credit life insurance products through its insurer partners to retail clients; and underwrites risks on a retroactive basis, which provides a range of legacy services to small insurance entities. Maiden Holdings, Ltd. was founded in 2007 and is headquartered in Pembroke, Bermuda.

Aspen Insurance Holdings Limited, together with its subsidiaries, engages in insurance and reinsurance businesses in Australia/Asia, the Caribbean, Canada, the United States, the United Kingdom, Europe, and internationally. Its insurance products include U.S. primary casualty, excess casualty, environmental, and railroad liability; cyber, management, and professional indemnity and lines liability; inland and ocean marine; U.S property; and credit and political risks, crisis management, energy and construction, UK property and construction, and specie insurances. The company's reinsurance products include agriculture, engineering and technical lines, marine, energy and terrorism, mortgage, special risks, property, and casualty insurances. It distributes its products primarily through brokers and reinsurance intermediaries. Aspen Insurance Holdings Limited was formerly known as Exali Reinsurance Holdings Ltd and changed its name to Aspen Insurance Holdings Limited in November 2002. The company was incorporated in 2002 and is based in Hamilton, Bermuda. Aspen Insurance Holdings Limited operates as a subsidiary of Highlands Bermuda Holdco, Ltd.