321113 Sawmills

Official definition

This U.S. industry comprises establishments primarily engaged in sawing dimension lumber, boards, beams, timbers, poles, ties, shingles, shakes, siding, and wood chips from logs or bolts. Sawmills may plane the rough lumber that they make with a planing machine to achieve smoothness and uniformity of size.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• Planing purchased lumber or manufacturing cut stock or dimension stock (i.e., shapes) from logs or bolts are classified in Industry 32191, Millwork.
• Manufacturing veneer from logs or bolts are classified in Industry 32121, Veneer, Plywood, and Engineered Wood Product Manufacturing.
• Operating portable chipper mills in the field are classified in Industry 113310, Logging.

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 321113

The Census index assigns these 27 activities to this code. If your business matches one, this is your code.

• Beams, wood, made from logs or bolts
• Boards, wood, made from logs or bolts
• Ceiling lumber, made from logs or bolts
• Chipper mills (except portable)
• Custom sawmills
• Dimension lumber, hardwood, made from logs or bolts
• Dimension lumber, made from logs or bolts
• Dimension lumber, softwood, made from logs or bolts
• Flitches (i.e., veneer stock) made in sawmills
• Lumber (i.e., rough, dressed) made from logs or bolts
• Lumber, hardwood dimension, made from logs or bolts
• Lumber, softwood dimension, made from logs or bolts
• Poles, wood, made from log or bolts
• Pressure treated lumber made from logs or bolts and treated
• Sawdust and shavings (i.e., sawmill byproducts) manufacturing
• Sawed lumber made in sawmills
• Sawmills
• Shakes (i.e., hand split shingles) manufacturing
• Shingle mills, wood
• Shingles, wood, sawed or hand split, manufacturing
• Siding mills, wood
• Siding, dressed lumber, manufacturing
• Stud mills
• Ties, railroad, made from logs or bolts
• Ties, wood, made from logs or bolts
• Timbers, made from logs or bolts
• Wood chips made in sawmills

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 321113

To count as a small business for SBA loans and federal contracts under NAICS 321113, your business (including affiliates) must not exceed 550 employees. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 1610, 1622), so treat them as a starting point and check the definition.

• 16100Sawmilling and planing of woodUK SIC
• 16220Manufacture of assembled parquet floorsUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

• 321114Wood Preservation