NAICS Code 337212 — Custom Architectural Woodwork and Millwork Manufacturing

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 4 national industries under 33721 (Office Furniture (including Fixtures) Manufacturing).

Code	337212
Title	Custom Architectural Woodwork and Millwork Manufacturing
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	500 employees

Official definition (2022 NAICS)

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.

Is a business under 337212 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 337212 qualifies as a small business if it does not exceed 500 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 337212 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	337	Furniture and Related Product Manufacturing
Industry Group	3372	Office Furniture (including Fixtures) Manufacturing
NAICS Industry	33721	Office Furniture (including Fixtures) Manufacturing
National Industry	337212	Custom Architectural Woodwork and Millwork Manufacturing

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
2541	Wood Office and Store Fixtures, Partitions, Shelving, and Lockers

Related National Industry codes

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

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.