The 2009 Printing Impressions 400

Also, individual printing companies that are part of larger graphic arts networks—such as Consolidated Graphics—are not listed separately. 
In essence, to do so would be to show sales figures twice. Instead, only 
the revenues of the entire umbrella corporation are included. In the case 
of a holding company that owns a graphic arts firm, the printing operation 
is listed in our rankings with the holding company's name appearing beneath it. —The Editors