2022 NAICS national industry in sector 31-33 Manufacturing
333924 Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
NAICS 333924 is the US industry code for industrial truck, tractor, trailer, and stacker machinery manufacturing. This U.S.
- Code
- 333924 (2022 NAICS)
- Title
- Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
- Part of
- Material Handling Equipment Manufacturing
- SBA small business limit
- Up to 900 employees
- Closest UK SIC
- 30990 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
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.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- 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.
- Manufacturing construction-type tractors are classified in Industry 333120, Construction Machinery Manufacturing.
Activities listed under 333924
The Census index assigns these 25 activities to this code. If your business matches one, this is your code.
- Aircraft engine cradles manufacturing
- Aircraft loading hoists manufacturing
- Bomb lifts manufacturing
- Cabs for industrial trucks manufacturing
- Carts, grocery, made from purchased wire
- Cranes, industrial truck, manufacturing
- Dollies manufacturing
- Drum cradles manufacturing
- Forklifts manufacturing
- Grocery carts made from purchased wire
- Hand trucks manufacturing
- Hoists, aircraft loading, manufacturing
- Industrial trucks and tractors manufacturing
- Mechanic's creepers manufacturing
- Mobile straddle carriers manufacturing
- Pallet movers manufacturing
- Pallet or skid jacks manufacturing
- Stackers, industrial, truck-type, manufacturing
- Stackers, portable (except farm), manufacturing
- Straddle carriers, mobile, manufacturing
- Tractors, industrial, manufacturing
- Trucks, industrial, manufacturing
- Unmanned and robotic forklifts manufacturing
- Unmanned and robotic pallet loaders and unloaders manufacturing
- Wheelbarrows manufacturing
SBA size standard for 333924
To count as a small business for SBA loans and federal contracts under NAICS 333924, your business (including affiliates) must not exceed 900 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2816, 3099), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.