Arthur J. Gallagher & Co., together with its subsidiaries, provides insurance and reinsurance brokerage, consulting, and third-party property/casualty claims settlement and administration services to entities and individuals worldwide. It operates in Brokerage and Risk Management segments. The Brokerage segment offers retail and wholesale insurance and reinsurance brokerage services; assists retail brokers and other non-affiliated brokers in the placement of specialized and hard-to-place insurance; and acts as a brokerage wholesaler, managing general agent, and managing general underwriter for distributing specialized insurance coverages to underwriting enterprises. This segment performs activities, including marketing, underwriting, issuing policies, collecting premiums, appointing and supervising other agents, paying claims, and negotiating reinsurance; and offers services in the areas of insurance and reinsurance placement, risk of loss management, and management of employer sponsored benefit programs. The Risk Management segment provides contract claim settlement and administration services; and claims management, loss control consulting, and insurance property appraisal services. The company offers its services through a network of correspondent brokers and consultants. It serves commercial, industrial, public, religious, and nonprofit entities, as well as underwriting enterprises. Arthur J. Gallagher & Co. was founded in 1927 and is headquartered in Rolling Meadows, 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.

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.

Fidelis Insurance Holdings Limited, a specialty insurer, provides insurance and reinsurance solutions in Bermuda, the Republic of Ireland, and the United Kingdom. It operates in three segments: Specialty, Reinsurance, and Bespoke segments. The Specialty segment offers aviation and aerospace, energy, marine, property direct and facultative, and other specialty risk solutions. The Reinsurance segment provides property, retrocession, and whole account reinsurance solutions. The Bespoke segment offers customized risk solutions for clients that include credit and political risk, as well as other risk transfer opportunities, including political violence and terrorism, limited cyber reinsurance, tax liabilities, title, transactional liabilities, and other bespoke solutions. Fidelis Insurance Holdings Limited was incorporated in 2014 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.

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.

Argo Group International Holdings, Inc. underwrites specialty insurance and reinsurance products in the property and casualty markets. The company operates in two segments, U.S. Operations and International Operations. It offers primary and excess specialty casualty, general liability, commercial multi-peril, and workers compensation, as well as product, environmental, and auto liability insurance products; management liability, transaction liability, and errors and omissions liability insurance; primary and excess property, inland marine, and auto physical damage insurance; and surety, animal mortality, and ocean marine insurance products. The company also provides directors and officers liability, errors and omissions liability, and employment practices liability insurance; international casualty and motor treaties insurance; professional indemnity and medical malpractice insurance; direct and facultative excess insurance, North American and international binders, and residential collateral protection for lending institutions; and personal accident, aviation, cargo, yachts, and onshore and offshore marine insurance products. It markets its products through wholesale and retail agents, managing general agents, brokers, and third-party intermediaries. The company was founded in 1948 and is based in New York, New York. Argo Group International Holdings, Inc. operates as a subsidiary of BNRE Triangle Acquisition Inc.