M M.W Kellogg Co. M/A/R/C Group John D. and Catherine T. MacArthur Foundation MacLean-Fogg Co. Josiah Macy Jr Foundation Madison Mutual Insurance Co. NY Maguire Oil Co. Mallinckrodt Group Inc. Management Compensation Group/Dulworth Inc. Marathon Oil Co. Maritz Inc. Marley Co. Marsh & McLennan Cos. Inc. Massachusetts Port Authority MassMutual-Blue Chip Co. MasterCard International Inc. Maxus Energy Corp. May Department Stores Co. Maytag Corp. Mazda North America Inc. MBNA America Bank N.A. McCormick & Co. Inc. McDonald's Corp. McGraw-Hill Cos. McKesson HBOC Inc. McQuay Inc. Mead Corp. Mebane Packaging Corp. Medtronic Inc. Mellon Bank Corp. Menasha Corp. Merck & Co. Inc. Meredith Corp. Meridian Insurance Co. Merit 0il Corp. Meritor Savings Bank Merrill Lynch & Co. Inc.

Metropolitan Life Insurance Co. Mettler-Toledo Inc. Michigan Mutual Insurance Co. (Amerisure Cos.) Micron Technology Inc. Microsoft Corp. Midland Life Insurance Co. Miehle-Goss-Dexter Inc. Milliken & Co. Millipore Corp. Milton Bradley Co. Milwaukee Electric Tool Corp. Minerals Technologies Inc. Minnesota Mutual Life Insurance Co. Mississippi Power & Light Co. 3 Mississippi Power Co. Mitsubishi Electric America Foundation Mitsubishi International Corp. Mobil Oil Corp. Moen Inc. 3 Monroe Auto Equipment Co. Monsanto Co. Montana Power Co. MONY Life Insurance Co. MOOG Inc. Morgan Construction Co. J.P. Morgan & Co. Inc. Morgan Stanley Dean Witter & Co. Inc. Morrison Knudsen Corp. Mortgage Guaranty Insurance Corp. Morton International Inc. Motorola Inc. Charles Stewart Mott Foundation MSI Insurance MTS Systems Corp. Murphy Oil Corp. Mutual of America Mutual of Omaha Cos.