This U.S. Census Bureau NAICS-based industry comprises establishments primarily engaged in the merchant wholesale distribution of rough, dressed, and finished lumber. These establishments perform warehousing and storage functions, and usually make deliveries.

Cross-References. Establishments primarily engaged in--

Sawmills--are classified in U.S. Industry 321113, Sawmills; and

Merchant wholesale distribution of timber and timber products, such as railroad ties, logs, firewood, and pulpwood--are classified in U.S. Census Bureau NAICS-based industry 4239902, Forest Products (except Lumber) Merchant Wholesalers.