Establishments primarily engaged in manufacturing drilling and underground mining machinery and equipment are classified in Industry 33313, Mining and Oil and Gas Field Machinery Manufacturing.
Establishments primarily engaged in manufacturing industrial plant overhead traveling cranes and hoists, truck-type cranes and hoists, winches, aerial work platforms, and automotive wrecker hoists are classified in Industry 33392, Material Handling Equipment Manufacturing.
Establishments primarily engaged in manufacturing rail layers, ballast distributors, and other railroad track-laying equipment are classified in Industry 336510, Railroad Rolling Stock Manufacturing.
SBA size standard
A business is small under NAICS 333120 if it has no more than 1,250 employees (averaged over the last 24 months, including affiliates).
Source: SBA Table of Size Standards, effective 2023-03-17. Always check the size standard printed in the solicitation itself.
Who buys it
Departments that posted the most NAICS 333120 solicitations in the last two years:
Brand Name Bobcat ToolCat UW56 Utility Work Machine · Department of Defense · Alaska · posted September 25, 2026
Concrete jersey barriers · Department of Defense · posted September 25, 2026
Metal Pless Plowmaxx Liveedge (Brand Name or Equal) · Department of Defense · Vermont · posted September 23, 2026
Dale Bumpers Small Farms Research Center DH5212 - 12 Ft. Rigid Single Offset Ag Disk · Agriculture · Arkansas · posted September 22, 2026
Supply and Deliver Radius Excavator, Redwoods Natl · Interior · posted September 21, 2026
Jersey Barrier · Department of Defense · posted September 21, 2026
48--VALVE assembly · Department of Defense · posted September 21, 2026
Andersen AFB 554 RHS CAT CTL attachments · Department of Defense · posted September 17, 2026
Do this kind of work?
Send XL Eagle your price on an open construction machinery manufacturing job. We write and submit the bid under our registrations. If we win, you do the work at your price. No fees.
NAICS 333120 is Construction Machinery Manufacturing. This industry comprises establishments primarily engaged in manufacturing construction machinery, surface mining machinery, and logging equipment.
What is the SBA size standard for NAICS 333120?
The size standard for NAICS 333120 is 1,250 employees. Firms at or under it count as small businesses for contracts assigned this code.
Are there government contracts for construction machinery manufacturing?
Yes. 1 government contract is open under NAICS 333120 right now, and 127 were posted in the last 12 months.
Can I bid on NAICS 333120 contracts without registering in SAM.gov?
You need an active SAM.gov registration to win a federal contract in your own name. If you would rather skip that, XL Eagle can bid as the prime contractor using your price, and you do the work as our subcontractor.