337212 — Custom Architectural Woodwork and Millwork Manufacturing
Description
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 (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- 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; and
- 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.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 2541 - Wood Office and Store Fixtures, Partitions, Shelving, and Lockers (via SIC1987:2541→NAICS1997:337212→2002:337212→2007:337212→2012:337212→2017:337212→2022:337212)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC H232 — Equipment and Materials Testing: Woodworking Machinery and Equipment
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 337212 valid in 2022? ▾
Yes, 337212 is a valid 6-digit 2022 NAICS national industry code representing 'Custom Architectural Woodwork and Millwork Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 337212? ▾
The Small Business Administration (SBA) has established a small business size standard of 500 employees for NAICS code 337212 (Custom Architectural Woodwork and Millwork Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 337212? ▾
According to official Census Bureau concordance tables, NAICS code 337212 (Custom Architectural Woodwork and Millwork Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 2541 - Wood Office and Store Fixtures, Partitions, Shelving, and Lockers.
Related Pages & Tools
Further regulatory reference links for NAICS code 337212:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 337212 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Custom Architectural Woodwork and Millwork Manufacturing).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.