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New York-based Marsh & McLennan Companies, Inc. (MMC) is a leading global professional-services firm and the world’s largest insurance broker, operating in more than 130 countries. Through its major brands, Marsh and Guy Carpenter in risk and insurance services, and Mercer and Oliver Wyman in consulting, MMC provides insurance broking, risk management, reinsurance solutions, human-capital advisory, and strategic consulting.
Companies worth $10 billion or more are generally described as "large-cap stocks." With a market cap of $89.9 billion, McLennan fits right into that category. With about 90,000 employees, the company continues to show steady growth driven by diversified service offerings and a strong global client base.