If you want to take action, like boycott, these rent seekers. Here's a list of associated publishers:

    S. Fischer Verlag
        O.W. Barth
        Wolfgang Krüger
        Argon Verlag (de)
        Scherz Verlag (de)
            Fretz & Wasmuth
    Rowohlt Verlag
    Kiepenheuer & Witsch
    Verlagsgruppe Droemer Knaur
    Die Zeit
    Macmillan
    Farrar, Straus and Giroux
        Faber & Faber
    Henry Holt and Company
        Holt Paperbacks
        Metropolitan Books
        Times Books
        Owl Books
    Palgrave Macmillan
    Picador
    Roaring Brook Press
        Neal Porter Books
        First Second Books
    St. Martin's Press
    Tom Doherty Associates
        Tor Books
        Forge Books
    Bedford, Freeman and Worth Publishing Group
        W.H. Freeman
        Bedford-St. Martin's
        Worth Publishers
    Hayden-McNeil
    Nature Publishing Group
        Scientific American
    Audio Renaissance
    Renaissance Media
    Macmillan Publishers
        Palgrave Macmillan
        Pan Macmillan
            Macmillan
            Pan Books
            Picador
            Macmillan Children's Books
            Campbell Books
            Priddy Books
            Boxtree
            Sidgwick & Jackson
        Nature Publishing Group
        Macmillan Education