U.S. Census Bureau

2007 NAICS Definitions


321114 Wood Preservation

This U.S. industry comprises establishments primarily engaged in (1) treating wood sawed, planed, or shaped in other establishments with creosote or other preservatives, such as alkaline copper quat, copper azole, and sodium borates, to prevent decay and to protect against fire and insects and/or (2) sawing round wood poles, pilings, and posts and treating them with preservatives.

Cross-References. Establishments primarily engaged in manufacturing wood products (except round wood poles, pilings, and posts) and treating them with preservatives are classified elsewhere in Subsector 321, Wood Product Manufacturing, based on the related production process.


Go to: No change 2002 to 2007 No change 1997 to 2002 2002 Economic Census and other data sources

2007
NAICS		2002
NAICS		1997
NAICS		 Corresponding Index Entries
321114321114321114 Bridge and trestle parts, wood, treating
321114321114321114 Creosoting of wood
321114321114321114 Crossties, treating
321114321114321114 Flooring, wood block, treating
321114321114321114 Millwork, treating
321114321114321114 Mine props, treating
321114321114321114 Mine ties, wood, treated, manufacturing
321114321114321114 Pilings, foundation and marine construction, treating
321114321114321114 Pilings, round wood, cutting and treating
321114321114321114 Pilings, wood, treating
321114321114321114 Poles, round wood, cutting and treating
321114321114321114 Poles, wood, treating
321114321114321114 Posts, round wood, cutting and treating
321114321114321114 Posts, wood, treating
321114321114321114 Preserving purchased wood and wood products
321114321114321114 Pressure treated lumber made from purchased lumber
321114321114321114 Railroad ties (i.e., bridge, cross, switch) treating
321114321114321114 Structural lumber and timber, treating
321114321114321114 Ties, wood railroad bridge, cross, and switch, treating
321114321114321114 Timber, structural, treating
321114321114321114 Treating purchased wood and wood products
321114321114321114 Treating wood products with creosote or other preservatives
321114321114321114 Trestle parts, wood, treating
321114321114321114 Wood fence (i.e., pickets, poling, rails), treating
321114321114321114 Wood products, creosoting purchased wood products