337212 Custom Architectural Woodwork and Millwork Manufacturing

Official definition

This U.S. industry comprises establishments primarily engaged in manufacturing custom designed interiors consisting of architectural woodwork and fixtures utilizing wood, wood products, and plastics laminates. All of the industry output is made to individual order on a job shop basis and requires skilled craftsmen as a labor input. A job might include custom manufacturing of display fixtures, gondolas, wall shelving units, entrance and window architectural detail, sales and reception counters, wall paneling, and matching furniture.

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:

• Manufacturing millwork on a factory basis are classified in U.S. Industry 321918, Other Millwork (including Flooring).
• Manufacturing wood office-type furniture on a stock or custom basis are classified in U.S. Industry 337211, Wood Office Furniture Manufacturing.
• Manufacturing wood office-type and store fixtures on a stock or custom basis are classified in U.S. Industry 337215, Showcase, Partition, Shelving, and Locker Manufacturing.

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

Activities listed under 337212

The Census index assigns these 4 activities to this code. If your business matches one, this is your code.

• Architectural woodwork and fixtures (i.e., custom designed interiors) manufacturing
• Custom architectural millwork and fixtures, manufacturing on a job shop basis
• Custom design interiors (i.e., coordinated furniture, architectural woodwork, fixtures), manufacturing
• Millwork, custom architectural, manufacturing

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 337212

To count as a small business for SBA loans and federal contracts under NAICS 337212, your business (including affiliates) must not exceed 500 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: 3100), so treat them as a starting point and check the definition.

• 31010Manufacture of office and shop furnitureUK SIC
• 31020Manufacture of kitchen furnitureUK SIC
• 31030Manufacture of mattressesUK SIC
• 31090Manufacture of other furnitureUK SIC

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

Similar codes to compare

• 337211Wood Office Furniture Manufacturing
• 337214Office Furniture (except Wood) Manufacturing
• 337215Showcase, Partition, Shelving, and Locker Manufacturing