NAICS 333131: Mining Machinery and Equipment Manufacturing
Mining Machinery and Equipment Manufacturing is NAICS code 333131. A business is small under it with 900 employees or fewer. No federal contracts are open under this code right now.
- SBA size standard
- 900 employees or fewer
- Open contracts now
- 0
- Federal spending, FY2024
- $2 million
- Share won by small businesses
- 90%
- Small businesses registered
- 236
What NAICS 333131 covers
The Census Bureau's NAICS index lists these kinds of work under 333131:
- Amalgamators (i.e., metallurgical and mining machinery) manufacturing
- Augers, mining-type, manufacturing
- Bits, rock drill, underground mining-type, manufacturing
- Breakers, coal, manufacturing
- Cars, mining, manufacturing
- Cleaning machinery, mining-type, manufacturing
- Coal breakers, cutters, and pulverizers manufacturing
- Concentration machinery, mining-type, manufacturing
- Core drills, underground mining-type, manufacturing
- Crushing machinery, stationary, manufacturing
- Cutters, coal, manufacturing
- Drilling equipment, underground mining-type, manufacturing
- Drills, core, underground mining-type, manufacturing
- Dumpers, mining car, manufacturing
The index lists 33 entries for this code in all.
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 333131
To count as a small business for a contract assigned NAICS 333131, your business must have 900 employees or fewer. Employees are averaged over the last 24 months.
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys mining machinery and equipment manufacturing
Agencies that awarded the most under NAICS 333131 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $1.1 million |
| Centers for Disease Control and Prevention | $522,754 |
| Defense Logistics Agency | $324,238 |
| Department of Energy | $295,070 |
| Under Secretary for Farm and Foreign Agricultural Services | $126,446 |
| Washington Headquarters Services | $122,364 |
| Department of the Air Force | $101,496 |
| U.S. Geological Survey | $87,000 |
Your competition
236 businesses with active SAM.gov registrations are rated small under NAICS 333131, most of them in California (20), Texas (18), Florida (15), Virginia (14) and Pennsylvania (11). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 333131 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $2 million |
| FY2025 | $-37,102 |
| FY2026 | $871,443 |
| FY2027 (so far) | $0 |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
- 333111 Farm Machinery and Equipment Manufacturing
- 333112 Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing
- 333120 Construction Machinery Manufacturing
- 333132 Oil and Gas Field Machinery and Equipment Manufacturing
Frequently asked questions
What is NAICS code 333131?
333131 is the 2022 NAICS code for Mining Machinery and Equipment Manufacturing. The Census Bureau's index lists work such as amalgamators (i.e., metallurgical and mining machinery) manufacturing, augers, mining-type, manufacturing, bits, rock drill, underground mining-type, manufacturing under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 333131?
900 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.
Are there government contracts for mining machinery and equipment manufacturing?
None are open on SAM.gov right now, but new notices post daily. You can set up a free alert for this code.
How do I add NAICS code 333131 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.