- Piles, foundation and marine construction: treated wood (1)
- Poles and pole crossarms, treated wood (3)
- Posts, treated wood (3)
- Railroad cross-ties, treated wood (2)
- Flooring, treated wood block (4)
- Millwork, treated wood (6)
- Preserving (creosoting) of wood (3)
- Structural lumber and timber, treated wood (7)
- Wood products, creosoted (7)
