SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 _____________________________________________ FORM 10-Q _____________________________________________ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2019 _____________________________________________ Marsh & McLennan Companies, Inc. 1166 Avenue of the Americas New York, New York 10036 (212) 345-5000 Commission file number 1-5998 State of Incorporation: Delaware I.R.S. E ...