Accenture plc provides strategy and consulting, industry X, song, and technology and operation services in North America, Europe, the Middle East, Africa, and internationally. It offers systems integration and application management; security; intelligent platform; infrastructure; software engineering; data and AI; and automation services. The company also operates business processes; and designs, manufactures, and assembles automation equipment, robotics, and other commercial hardware products. It serves communications, media, and technology; banking and capital markets, and insurance; health and public service; consumer goods, retail, travel services; industrial; life science; chemicals, natural resources, energy, and utilities sectors. It has collaboration agreement with Kyoto University to advance learning, research, and innovation in human-centered AI. The company was founded in 1951 and is based in Dublin, Ireland.

Marsh & McLennan Companies, Inc., a professional services company, provides advice and solutions to clients in the areas of risk, strategy, and people worldwide. It operates through Risk and Insurance Services, and Consulting segments. The Risk and Insurance Services segment offers risk management services, such as risk advice, risk transfer, and risk control and mitigation solutions, as well as insurance and reinsurance broking, strategic advisory services, and analytics solutions, and insurance program management services. It serves businesses, public entities, insurance companies, associations, professional services organizations, and private clients. The Consulting segment provides health, wealth and career advice, solutions and products; and specialized management, strategic, economic, and brand consulting services. Marsh & McLennan Companies, Inc. was founded in 1871 and is headquartered in New York, New York.

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.

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.

Willis Towers Watson Public Limited Company operates as an advisory, broking, and solutions company worldwide. It operates through two segments: Health, Wealth & Career and Risk & Broking. The company offers strategy and design consulting, plan management service and support, broking and administration services for health, wellbeing, and other group benefit program, including medical, dental, disability, life, voluntary benefits and other coverages; actuarial support, plan design, and administrative services for pension and retirement savings plans; retirement consulting services and solutions; and integrated solutions that consists of investment discretionary management, pension administration, core actuarial, and communication and change management assistance services. It also provides advice, data, software, and products to address clients' total rewards and talent issues; and risk advice, insurance brokerage, and consulting services in the areas of property and casualty, affinity, risk and analytics, aerospace, construction, global markets direct & facultative, financial, executive and professional risks, financial solutions, crisis management, surety, marine, and natural resources. In addition, the company offers integrated solutions that consists of investment discretionary management, pension administration, core actuarial, and communication and change management assistance services; and software and technology, risk and capital management, products and product pricing, financial and regulatory reporting, financial and capital modeling, M&A, outsourcing, and business management services. The company was formerly known as Willis Group Holdings Public Limited Company and changed its name to Willis Towers Watson Public Limited Company in January 2016. Willis Towers Watson Public Limited Company was founded in 1828 and is based in London, the United Kingdom.

Principal Financial Group, Inc. provides retirement, asset management, and insurance products and services to businesses, individuals, and institutional clients worldwide. The company operates through Retirement and Income Solutions, Principal Asset Management, and Benefits and Protection segments. The Retirement and Income Solutions segment provides retirement, and related financial products and services. It offers products and services for defined contribution plans, including 401(k) and 403(b) plans, defined benefit plans, nonqualified executive benefit plans, employee stock ownership plans, equity compensation, and pension risk transfer services; individual retirement accounts; investment only products; and mutual funds, individual variable annuities, registered index-linked annuities, and bank products, as well as trust and custody services. The Principal Asset Management segment provides equity, fixed income, real estate, and other alternative investments, as well as asset allocation, stable value management, and other structured investment strategies. It also offers pension accumulation products and services, mutual funds, asset management, income annuities, and life insurance accumulation products, as well as voluntary savings plans in Brazil, Chile, Mexico, Asia, China, Hong Kong Special Administrative Region, and Southeast Asia. The Benefits and Protection segment provides specialty benefits, such as group dental and vision insurance, group life insurance, and group and individual disability insurance, as well as administers group dental, disability, and vision benefits; and individual life insurance products comprising universal, variable universal, indexed universal, and term life insurance products. It also offers insurance solutions for small and medium-sized businesses and their owners, as well as employees. Principal Financial Group, Inc. was founded in 1879 and is based in Des Moines, Iowa.

ICON Public Limited Company, a clinical research organization, provides outsourced development and commercialization services in Ireland, rest of Europe, the United States, and internationally. The company specializes in the strategic development, management, and analysis of programs that support various stages of the clinical development process from compound selection to Phase I-IV clinical studies. It also offers clinical development services, including all phases of development, peri and post approval, data solutions, and site and patient access services; clinical trial management, consulting, and contract staffing services; and commercial services comprising clinical development strategy, planning and trial design, full study execution, and post-market commercialization. In addition, the company provides laboratory services, including bionanalytical, biomarker, vaccine, good manufacturing practice, and central laboratory services, as well as full-service and functional service partnerships to customers. Further, it offers adaptive trials, cardiac safety solutions, clinical and scientific operations, consulting and advisory, commercial positioning, decentralized and hybrid clinical trials, early clinical, laboratories, language services, medical imaging, real world intelligence, site and patient, and strategic solutions. The company serves pharmaceutical, biotechnology, and medical device industries, as well as government and public health organizations. ICON Public Limited Company was incorporated in 1990 and is headquartered in Dublin, Ireland.

Aegon Ltd. provides insurance, pensions, retirement, and asset management services in the United States, the Netherlands, the United Kingdom, and internationally. The company offers life, accident, property and casualty, and health insurance; annuities, retirement plans, mutual funds, and stable value solutions; residential mortgage and digital baking services; and retail and institutional investment management solutions and retirement savings vehicles and strategies. It offers its products under the Aegon and Transamerica brands. Aegon Ltd. was founded in 1844 and is headquartered in The Hague, the Netherlands.