333924

Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing

Manufacturing › Machinery Manufacturing › Other General Purpose Machinery Manufacturing

SBA Size Standard

900 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

333

Subsector

Machinery Manufacturing

3339

Industry Group

Other General Purpose Machinery Manufacturing

333924

National Industry (This Code)

Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing

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 industrial trucks, tractors, trailers, and stackers (i.e., truck-type) such as forklifts, pallet loaders and unloaders, and portable loading docks.

✓ Small Business Eligibility at a Glance

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

Size Standard

900 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 333924

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 motor vehicle-type trailers--are classified in Industry 33621, Motor Vehicle Body and Trailer Manufacturing;
Manufacturing farm-type tractors--are classified in U.S. Industry 333111, Farm Machinery and Equipment Manufacturing; and
Manufacturing construction-type tractors--are classified in Industry 333120, Construction Machinery Manufacturing.

How to Use NAICS 333924 in SAM.gov

NAICS code 333924Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing — 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 General Purpose Machinery 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 900 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 333924.

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Frequently Asked Questions

What is NAICS code 333924?

NAICS code 333924 is 'Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments primarily engaged in manufacturing industrial trucks, tractors, trailers, and stackers (i.e., truck-type) such as forklifts, pallet loaders and unloaders, a

What is the SBA small business size standard for NAICS code 333924?

The SBA defines a small business under NAICS code 333924 (Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing) as one with 900 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 333924 in SAM.gov?

To register NAICS code 333924 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 333924 (Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Other General Purpose Machinery Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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