321918

Other Millwork (including Flooring)

Manufacturing › Wood Product Manufacturing › Other Wood Product Manufacturing

SBA Size Standard

500 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

32

Sector

Manufacturing

321

Subsector

Wood Product Manufacturing

3219

Industry Group

Other Wood Product Manufacturing

321918

National Industry (This Code)

Other Millwork (including Flooring)

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This U.S. industry comprises establishments primarily engaged in manufacturing millwork (except wood windows, wood doors, and cut stock). Illustrative Examples: Clear and finger joint wood moldings manufacturing Decorative wood moldings (e.g., base, chair rail, crown, shoe) manufacturing Ornamental woodwork (e.g., cornices, mantel) manufacturing Planing mills, millwork Stairwork (e.g., newel posts, railings, stairs, staircases), wood, manufacturing Wood flooring manufacturing Wood shutters manufacturing

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

500 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 321918

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Manufacturing wood windows and doors--are classified in U.S. Industry 321911, Wood Window and Door Manufacturing; and
Manufacturing cut stock, resawing lumber, and/or planing purchased lumber--are classified in U.S. Industry 321912, Cut Stock, Resawing Lumber, and Planing.

How to Use NAICS 321918 in SAM.gov

NAICS code 321918Other Millwork (including Flooring) — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Other Wood Product Manufacturing space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 500 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 321918.

Log in Entity Registration Goods & Services Add NAICS Code Enter 321918 Save

Frequently Asked Questions

What is NAICS code 321918?

NAICS code 321918 is 'Other Millwork (including Flooring)', classified under the Manufacturing sector (NAICS 32). This U.S. industry comprises establishments primarily engaged in manufacturing millwork (except wood windows, wood doors, and cut stock). Illustrative Examples: Clear and finger joint wood moldings

What is the SBA small business size standard for NAICS code 321918?

The SBA defines a small business under NAICS code 321918 (Other Millwork (including Flooring)) as one with 500 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 321918 in SAM.gov?

To register NAICS code 321918 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 321918 (Other Millwork (including Flooring)) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Other Wood Product Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

GovBidLab Pro

Not sure which NAICS codes fit your business?

GovBidLab's Federal Sales Roadmap includes a complete NAICS and PSC code strategy tailored to your business.

Get Your Free Consultation

No commitment required • Response within 24 hours

Find Another NAICS Code

Search all 1,012 NAICS codes with SBA size standards and descriptions

Browse by sector:

Agriculture Construction Manufacturing Information/IT Health Care