321911 Wood Window and Door Manufacturing

Official definition

This U.S. industry comprises establishments primarily engaged in manufacturing window and door units, sash, window and door frames, and doors from wood or wood clad with metal or plastics.

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:

• Establishments primarily engaged in fabricating wood windows or wood doors at the construction site are classified in Industry 238350, Finish Carpentry Contractors.

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

Activities listed under 321911

The Census index assigns these 18 activities to this code. If your business matches one, this is your code.

• Door frames and sash, wood and covered wood, manufacturing
• Door jambs, wood, manufacturing
• Door units, prehung, wood and covered wood, manufacturing
• Doors, combination screen-storm, wood, manufacturing
• Doors, wood and covered wood, manufacturing
• Frames, door and window, wood, manufacturing
• Garage doors, wood, manufacturing
• Louver windows and doors, made from purchased glass with wood frame
• Sash, door and window, wood and covered wood, manufacturing
• Screens, door and window, wood framed, manufacturing
• Storm doors and windows, wood framed, manufacturing
• Window frames and sash, wood and covered wood, manufacturing
• Window screens, wood framed, manufacturing
• Window units, wood and covered wood, manufacturing
• Windows, louver, wood, manufacturing
• Windows, wood and covered wood, manufacturing
• Wood door frames and sash manufacturing
• Wood window frames and sash manufacturing

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 321911

To count as a small business for SBA loans and federal contracts under NAICS 321911, your business (including affiliates) must not exceed 1,000 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: 1622), so treat them as a starting point and check the definition.

• 16220Manufacture of assembled parquet floorsUK SIC

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

Similar codes to compare

• 321912Cut Stock, Resawing Lumber, and Planing
• 321918Other Millwork (including Flooring)