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.
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
| NAICS Code | 337212 |
|---|---|
| Industry Title | Custom Architectural Woodwork and Millwork Manufacturing |
| SBA Size Standard | 500 employees |
| IRS PBA Code | 337000 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 337 → 3372 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
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)
Related Resources & Compliance Guides
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.
- 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.
Related Industries in 3372
Frequently Asked Questions (FAQ)
Is 337212 a valid 2022 NAICS code?
NAICS 337212 is 'Custom Architectural Woodwork and Millwork Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 500 employees.
What is the SBA size standard for NAICS 337212?
The SBA small business size standard for NAICS 337212 is 500 employees (based on employees).
What is the legacy SIC code mapping for 337212?
NAICS code 337212 maps to the legacy 1987 SIC codes: 2541 - Wood Office and Store Fixtures, Partitions, Shelving, and Lockers.