Morgan Stanley, a financial holding company, provides various financial products and services to corporations, governments, financial institutions, and individuals in the Americas, Europe, the Middle East, Africa, and Asia. It operates through Institutional Securities, Wealth Management, and Investment Management segments. The Institutional Securities segment offers capital raising and financial advisory services, including services related to the underwriting of debt, equity, and other securities, as well as advice on mergers and acquisitions, restructurings, real estate, and project finance. This segment also provides equity and fixed income products comprising sales, financing, prime brokerage, and market-making services; foreign exchange and commodities; corporate and commercial real estate loans, commercial mortgage and secured lending facilities, and financing for sales and trading customers, and asset-backed and mortgage lending; and wealth management services, investment, and research services. The Wealth Management segment offers financial advisor-led brokerage, custody, administrative, and investment advisory services; self-directed brokerage services; financial and wealth planning services; workplace services, including stock plan administration; annuity and insurance products; securities-based lending, residential real estate loans, and other lending products; banking; and retirement plan services to individual investors and small to medium-sized businesses and institutions. The Investment Management segment provides equity, fixed income, alternatives and solutions, and liquidity and overlay services to benefit/defined contribution plans, foundations, endowments, government entities, sovereign wealth funds, insurance companies, third-party fund sponsors, corporations, and individuals through institutional and intermediary channels. The company was founded in 1924 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.

Aon plc, a professional services firm, provides a range of risk and human capital solutions worldwide. It offers commercial risk solutions, including retail brokerage, specialty solutions, global risk consulting and captives management, and affinity programs; and health solutions, such as health and benefits brokerages, and health care exchanges. The company also provides treaty and facultative reinsurance, as well as insurance-linked securities, capital raising, strategic advice, restructuring, and mergers and acquisitions services; and corporate finance advisory services. In addition, it offers strategic design consulting services on their retirement programs, actuarial services, and risk management services; and advice services on developing and maintaining investment programs across various plan types, including defined benefit plans, defined contribution plans, endowments, and foundations for public and private companies, and other institutions. Aon plc was founded in 1919 and is headquartered in Dublin, Ireland.

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 Bank of New York Mellon Corporation provides a range of financial products and services in the United States and internationally. The company operates through Securities Services, Market and Wealth Services, Investment and Wealth Management, and other segments. The Securities Services segment offers custody, trust and depositary, accounting, exchange-traded funds, middle-office solutions, transfer agency, services for private equity and real estate funds, foreign exchange, securities lending, liquidity/lending services, and data analytics. This segment also provides trustee, paying agency, fiduciary, escrow and other financial, issuer, and support services for brokers and investors. The Market and Wealth Services segment offers clearing and custody, investment, wealth and retirement solutions, technology and enterprise data management, trading, and prime brokerage services. This segment also provides integrated cash management solutions, including payments, foreign exchange, liquidity management, receivables processing and payables management, and trade finance and processing services. The Investment and Wealth Management segment offers investment management strategies and distribution of investment products, investment management, custody, wealth and estate planning, private banking, investment, and information management services. The Other segment engages in the provision of leasing, corporate treasury, derivative and other trading, corporate and bank-owned life insurance, renewable energy investment, and business exit services. It serves central banks and sovereigns, financial institutions, asset managers, insurance companies, corporations, local authorities and high net-worth individuals, and family offices. The Bank of New York Mellon Corporation was founded in 1784 and is headquartered in New York, New York.

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.

Moelis & Company operates as an investment banking advisory firm. It offers advisory services in the areas of mergers and acquisitions, recapitalizations and restructurings, capital markets transactions, and other corporate finance matters, as well as strategic, capital structure, and private funds advisory. The company offers its services to public multinational corporations, middle market private companies, financial sponsors, entrepreneurs, governments, and sovereign wealth funds. It operates in North and South America, Europe, the Middle East, Asia, and Australia. The company was founded in 2007 and is headquartered in New York, New York.

Lazard, Inc., together with its subsidiaries, operates as a financial advisory and asset management firm in North and South America, Europe, the Middle East, Asia, and Australia. It operates in two segments, Financial Advisory and Asset Management. The Financial Advisory segment offers financial advisory services, such as mergers and acquisitions, capital markets, shareholder, sovereign, geopolitical advisory, and other strategic advisory services, as well as restructuring and liability management, and capital raising and placement services. This segment offers its services to corporate, partnership, institutional, government, sovereign, and individual clients to various industry areas, including consumers, financial institutions, healthcare and life sciences, industrials, power and energy/infrastructure, real estate, technology, telecommunication, and media and entertainment. The Asset Management segment offers a range of investment solutions; investment and wealth management services in equity and fixed income strategies; asset allocation strategies; and alternative investments and private equity funds to corporations, public funds, sovereign entities, endowments and foundations, labor funds, financial intermediaries, and private clients. Lazard, Inc. was incorporated in 1848 and is headquartered in New York, New York.