| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 321114 | 321114 | 321114 | Bridge and trestle parts, wood, treating | |||
| 321114 | 321114 | 321114 | Creosoting of wood | |||
| 321114 | 321114 | 321114 | Crossties, treating | |||
| 321114 | 321114 | 321114 | Flooring, wood block, treating | |||
| 321114 | 321114 | 321114 | Millwork, treating | |||
| 321114 | 321114 | 321114 | Mine props, treating | |||
| 321114 | 321114 | 321114 | Mine ties, wood, treated, manufacturing | |||
| 321114 | 321114 | 321114 | Pilings, foundation and marine construction, treating | |||
| 321114 | 321114 | 321114 | Pilings, round wood, cutting and treating | |||
| 321114 | 321114 | 321114 | Pilings, wood, treating | |||
| 321114 | 321114 | 321114 | Poles, round wood, cutting and treating | |||
| 321114 | 321114 | 321114 | Poles, wood, treating | |||
| 321114 | 321114 | 321114 | Posts, round wood, cutting and treating | |||
| 321114 | 321114 | 321114 | Posts, wood, treating | |||
| 321114 | 321114 | 321114 | Preserving purchased wood and wood products | |||
| 321114 | 321114 | 321114 | Pressure treated lumber made from purchased lumber | |||
| 321114 | 321114 | 321114 | Railroad ties (i.e., bridge, cross, switch) treating | |||
| 321114 | 321114 | 321114 | Structural lumber and timber, treating | |||
| 321114 | 321114 | 321114 | Ties, wood railroad bridge, cross, and switch, treating | |||
| 321114 | 321114 | 321114 | Timber, structural, treating | |||
| 321114 | 321114 | 321114 | Treating purchased wood and wood products | |||
| 321114 | 321114 | 321114 | Treating wood products with creosote or other preservatives | |||
| 321114 | 321114 | 321114 | Trestle parts, wood, treating | |||
| 321114 | 321114 | 321114 | Wood fence (i.e., pickets, poling, rails), treating | |||
| 321114 | 321114 | 321114 | Wood products, creosoting purchased wood products |