Establishments primarily engaged in manufacturing machinery for the pulp, paper, and paper product industries. Establishments primarily engaged in manufacturing printing trades machinery are classified in Industry 3555.
- Bag and envelope making machinery (paper machinery)
- Box making machines for paper boxes
- Coating and finishing machinery, paper
- Corrugating machines for paper
- Cutting and folding machines, paper
- Die-cutting and stamping machinery (paper converting machinery)
- Folding machines, paper: except office machines
- Fourdrinier machines (paper manufacturing machinery)
- Paper mill machinery: e.g., plating, slitting, waxing
- Paper product machines, except printing machines
- Pulp mill machinery
- Sandpaper manufacturing machines