| 321114 |
Ties, wood railroad bridge, cross, and switch, treating |
| 321114 |
Timber, structural, treating |
| 321114 |
Treating purchased wood and wood products |
| 321114 |
Treating wood products with creosote or other preservatives |
| 321114 |
Trestle parts, wood, treating |
| 321114 |
Wood fence (i.e., pickets, poling, rails), treating |
| 321114 |
Wood products, creosoting purchased wood products |
| 321211 |
Hardwood plywood composites manufacturing |
| 321211 |
Hardwood veneer or plywood manufacturing |
| 321211 |
Panels, hardwood plywood, manufacturing |