- Pulp mills, chemical and semichemical processing (5)
- Kraft (sulfate) pulp (4)
- Rayon pulp (1)
- Pulp mills, mechanical and recycling processing (1)
- Mechanical pulp, including groundwood and thermomechanical (4)
- Pulp manufactured from waste or recycled paper (29)
- Pulp mills, nec (4)
- Pulp produced from wood base, nec (36)
