- Poles, posts and pilings: treated wood (4)
- Pilings, treated wood (1)
- Poles and pole crossarms, treated wood (3)
- Posts, treated wood (1)
- Railroad cross-ties, treated wood (1)
- Preserving (creosoting) of wood (1)
- Structural lumber and timber, treated wood (3)
- Vehicle lumber, treated wood (2)
- Wood products, creosoted (3)
