moody's downgrades debt ratings of fluor (senior to baa2); assigns new ratings for massey energy and "new" fluor Moody's Investors Service Results 1 - 47 Of 47 Moody's Investors Service, Inc., a wholly-owned credit rating agency subsidiary of Moody's Corporation ("MCO"), hereby discloses that most issuers of debt securities (including corporate and municipal bonds, debentures, notes and commercial paper) and preferred stock rated by Moody's Investors Service, Inc. have, prior to assignment of any credit rating, agreed to pay to Moody's Investors Service, Inc. for credit ratings opinions and services rendered by it fees ranging from $1,000 to New York, September 26, 2019 -- Moody's Investors Service downgraded Fluor Corporation's ("Fluor") senior unsecured rating to Baa3 from Baa2 and downgraded its unsecured commercial paper rating to P-3 from P-2.