333120 — Construction Machinery Manufacturing
NAICS 333120 is 'Construction Machinery Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 1,250 employees.
Description
This industry comprises establishments primarily engaged in manufacturing construction machinery, surface mining machinery, and logging equipment.
Illustrative Examples
- Backhoes manufacturing
- Bulldozers manufacturing
- Construction and surface mining-type rock drill bits manufacturing
- Construction-type tractors and attachments manufacturing
- Off-highway trucks manufacturing
- Pile-driving equipment manufacturing
- Portable crushing, pulverizing, and screening machinery manufacturing
- Powered post hole diggers manufacturing
- Road graders manufacturing
- Surface mining machinery (except drilling) manufacturing
Overview Facts
| NAICS Code | 333120 |
|---|---|
| Industry Title | Construction Machinery Manufacturing |
| SBA Size Standard | 1,250 employees |
| IRS PBA Code | 333100 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 333 → 3331 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
NAICS Structure: 333120
National Industry
Sector (2)
31-33
Manufacturing
Subsector (3)
333
Machinery Manufacturing
Industry Group (4)
3331
Agriculture, Construction, and Mining Machinery Manufacturing
Industry (5)
33312
Construction Machinery Manufacturing
National Industry (6)
333120
Construction Machinery Manufacturing
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3531 - Construction Machinery and Equipment (via SIC1987:3531→NAICS1997:33312→2002:333120→2007:333120→2012:333120→2017:333120→2022:333120)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 333120:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 3331
Frequently Asked Questions (FAQ)
Is 333120 a valid 2022 NAICS code?
NAICS 333120 is 'Construction Machinery Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 1,250 employees.
What is the SBA size standard for NAICS 333120?
The SBA small business size standard for NAICS 333120 is 1,250 employees (based on employees).
What is the legacy SIC code mapping for 333120?
NAICS code 333120 maps to the legacy 1987 SIC codes: 3531 - Construction Machinery and Equipment.