Company Name: Marsh & McLennan Companies, Inc.

Marsh & McLennan Companies is comprised of four major companies:

  • Marsh – Insurance brokering and risk management and consulting services. The company is one of the largest insurance brokers in the world.
  • Guy Carpenter & Company – Reinsurance Intermediary services
  • Mercer – A variety of investment consulting and talent, health and retirement services
  • Oliver Wyman Group – Management consulting

Ticker Symbol: MMC (New York Stock Exchange)

Company Website:

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Headquarters: New York City, NY