R & I 400: overview. 400 companies lighten up.
D003258:Consumer Behavior; D018752:Diet, Fat-Restricted / Q000592:standards*; D005376:Financial Management / Q000706:statistics & numerical data; D005518:Food Preferences; D005525:Food-Processing Industry / Q000191:economics / Q000639:trends*; D008612:Menu Planning / Q000639:trends*; D014481:United States