- Sawdust, shavings, and wood chips (2)
- Sawdust and shavings (1)
- Wood chips, produced at mill (1)
- Custom sawmill (3)
- Kiln drying of lumber (1)
- Outdoor wood structural products (2)
- Railroad ties, sawed (2)
- Lumber stacking or sticking (1)
- Lumber: rough, sawed, or planed (5)
- Planing mill, independent: except millwork (1)
