Robert E. Yuskavage, Chief of the GDP by Industry Branch of the Industry Economics Division, supervised the preparation of the estimates. Ann M. Lawson provided overall guidance. Felicia V. Candela, Christine M. Fitch, Sherlene K.S. Lum, Kimberly A. Mourey, Brian C. Moyer, Timothy F. Slaper, John Sporing, and Robert A. Sylvester prepared the estimates. Karen A. Newman provided support services.