Establishments primarily engaged in manufacturing pens (including ballpoint pens), refill cartridges, mechanical pencils, fine and broad tipped markers, and parts.
- Cartridges, refill: for ballpoint pens
- Fountain pens and fountain pen desk sets
- Markers, soft tip: e.g., felt, fabric, plastics
- Meter pens
- Nibs (pen points): gold, steel, or other metal
- Pencils and pencil parts, mechanical
- Penholders and parts
- Pen points: gold, steel, or other metal
- Pens and pen parts: fountain, stylographic, and ballpoint