Establishments primarily engaged in manufacturing machinery and equipment used by the printing and bookbinding trades. Establishments primarily engaged in manufacturing textile printing machinery are classified in Industry 3552.

• Advertising and newspaper mats
• Blocks, engravers': wood
• Bookbinders'machines
• Bronzing and dusting machines for the printing trade
• Chases and galleys, printers'
• Collating machines for printing and bookbinding trade use
• Copy holders, printers'
• Electrotyping machines
• Engraving machinery and equipment (printing trades machinery)
• Envelope printing presses
• Etching machines (printing trades machinery)
• Foundry type for printing
• Gelatin rolls used in printing
• Gravure presses
• Intertype machines
• Leads, printers'
• Linotype machines
• Lithographic stones
• Monotype machines
• Paper ruling and sewing machines (bookbinders'machinery)
• Photoengraving machines
• Planes, printers'
• Plates, metal: engravers'
• Presses, printing
• Printers'machines and equipment
• Rules, printers'
• Slugs, printers'
• Stereotyping machines
• Sticks, printers'
• Type: lead, steel, brass, copper faced, etc.
• Typecases, printers'
• Typecasting, founding, and melting machines
• Typesetting machines: intertypes, linotypes, monotypes, etc.
• Typographic numbering machines