NAICS 333120 Quarterly Industry Report
Construction Machinery Manufacturing
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 333120Sector: 33Updated: Q1 2026
About This Report
This Fair Market Value industry report covers NAICS 333120 (Construction Machinery Manufacturing) using the 2022 North American Industry Classification System. Data sources include the U.S. Census Bureau[5] NAICS classification documentation, Bureau of Labor Statistics[6] employment data for machinery manufacturing, and SBA size standard tables. Content addresses industry structure, product scope, and market dynamics for establishments primarily engaged in manufacturing construction and surface mining equipment.
Industry Snapshot
Key metrics for the construction machinery manufacturing industry.
Industry Definition & Overview
Construction Machinery Manufacturing (NAICS 333120) encompasses establishments primarily engaged in manufacturing construction machinery, surface mining machinery, and logging equipment. Products include bulldozers, excavators, backhoes, road graders, wheel loaders, pile-driving equipment, portable crushing and screening machinery, off-highway trucks, and construction cranes. Per the Census Bureau[5], this classification also covers surface mining equipment and logging machinery but excludes underground mining equipment (NAICS 333131).
The industry features intense concentration among a handful of global manufacturers operating large integrated facilities with foundries, fabrication shops, machining centers, and assembly lines. These firms maintain worldwide dealer networks for sales, parts, and service support. Smaller manufacturers produce specialty equipment, attachments, and components serving niche construction applications. Manufacturing processes combine heavy steel fabrication, precision machining of hydraulic components, engine and powertrain integration, and advanced electronics assembly for machine control systems.
Geographic distribution concentrates in Midwest states where manufacturing infrastructure, skilled labor, and proximity to steel suppliers create favorable operating conditions. According to BLS data[6], machinery manufacturing employment clusters in Illinois, Indiana, Wisconsin, and Iowa. Additional facilities operate in the Southeast and Mountain West near construction and mining customers. Raw material inputs include structural steel plate, hydraulic cylinders and pumps, diesel engines, tires, and electronic control modules sourced from both domestic and international suppliers.
What's Included in This Industry
- Bulldozers, crawler tractors, and tracked earthmoving equipment
- Hydraulic excavators and backhoe loaders
- Wheel loaders and skid-steer loaders
- Motor graders, road scrapers, and pavers
- Construction cranes and pile-driving equipment
- Portable crushing, screening, and washing plants
- Off-highway trucks and articulated haulers
- Logging equipment including skidders and feller bunchers
- Trenching machines and horizontal directional drills
- Attachments and work tools for construction equipment
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Subsector | Machinery Manufacturing | 333 |
| Industry Group | Agriculture, Construction, and Mining Machinery Manufacturing | 3331 |
| NAICS Industry | Construction Machinery Manufacturing | 33312 |
| National Industry | Construction Machinery Manufacturing | 333120 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 333111 | Farm Machinery and Equipment Manufacturing | Manufactures farm tractors and agricultural equipment sharing engineering capabilities, powertrain components, and manufacturing processes with construction equipment producers but serving agricultural rather than construction markets |
| 333131 | Mining Machinery and Equipment Manufacturing | Produces underground mining machinery and equipment including core drills and coal cutters, distinguished from NAICS 333120 surface mining and construction equipment by underground operational requirements and specialized safety features |
| 333132 | Oil and Gas Field Machinery and Equipment Manufacturing | Manufactures oil and gas field machinery including drilling rigs and wellhead equipment, sharing heavy fabrication capabilities and hydraulic system expertise but serving petroleum extraction rather than construction applications |
| 333924 | Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing | Produces industrial trucks, tractors, and material handling equipment that overlaps with construction equipment in hydraulic system design, powertrain engineering, and manufacturing process requirements |
| 332111 | Iron and Steel Forging | Performs iron and steel forging operations producing structural components, pins, bushings, and wear parts that serve as critical inputs for construction machinery assembly and repair operations |
| 333995 | Fluid Power Cylinder and Actuator Manufacturing | Manufactures fluid power cylinders and actuators that serve as essential hydraulic subsystems in excavators, loaders, and other construction equipment requiring precise force and motion control |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | Wisconsin | 7.4% | 49 |
| 2 | Texas | 6.7% | 44 |
| 3 | Illinois | 6.2% | 41 |
| 4 | Ohio | 6.2% | 41 |
| 5 | Minnesota | 5.9% | 39 |
| 6 | California | 5.5% | 36 |
| 7 | Pennsylvania | 4.9% | 32 |
| 8 | Iowa | 4.0% | 26 |
| 9 | Michigan | 3.8% | 25 |
| 10 | North Carolina | 3.5% | 23 |
% Of Establishments
0%
7%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
112
Total SBA Loans
$59.8M
Total Loan Volume
$534K
Average Loan Size
11 yrs
Average Loan Term
10.09%
Average Interest Rate
1,504
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: The Small Business Administration[7] sets the size standard for NAICS 333120 at 1,250 employees. Firms averaging 1,250 or fewer employees over the preceding 12 months qualify as small businesses for SBA loan programs, federal contracting set-asides, and small business certifications. This elevated threshold reflects the capital intensity of heavy equipment manufacturing, where large production volumes, specialized tooling, and global distribution requirements characterize competitive operations in this sector. Eligible businesses can access SBA 7(a) loans[8] for working capital, equipment, and acquisition financing, while 504 loans[9] support major fixed-asset purchases including real estate and heavy machinery.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | U.S. Bank, National Association | 8 | $29.3M | $3.7M |
| 2 | United Community Bank | 16 | $12.3M | $770K |
| 3 | Northeast Bank | 48 | $7.7M | $161K |
| 4 | Readycap Lending, LLC | 8 | $3.2M | $404K |
| 5 | Central Bank | 8 | $2.8M | $351K |
Frequently Asked Questions
Common questions about this industry.
What types of businesses are classified under NAICS 333120?
NAICS 333120 classifies establishments primarily engaged in manufacturing construction machinery, surface mining equipment, and logging machinery. Products include bulldozers, excavators, backhoes, graders, wheel loaders, cranes, and off-highway trucks. The Census Bureau[5] excludes underground mining equipment (NAICS 333131) and oil field machinery (NAICS 333132) from this classification.
How is the construction machinery manufacturing industry structured?
A small number of multinational corporations dominate production of full-size excavators, dozers, and loaders through global manufacturing and dealer networks. Mid-size firms produce specialty equipment such as compact excavators, pavers, or crushing plants. Hundreds of smaller manufacturers build attachments, work tools, and specialty implements sold through dealer channels or direct to contractors. Industry concentration reflects the capital requirements for heavy equipment production lines.
What is the SBA size standard for construction machinery manufacturers?
The SBA sets the size standard at 1,250 employees for NAICS 333120. Firms at or below this threshold qualify as small businesses for federal contracting preferences and SBA lending programs. Details appear in the SBA size standards table[7].
What NAICS codes are closely related to construction machinery manufacturing?
NAICS 333111 covers farm machinery sharing similar manufacturing processes. NAICS 333131 covers underground mining equipment. Most 333132 covers oil field machinery. NAICS 333924 covers industrial trucks and material handling equipment. These adjacent codes reflect shared engineering capabilities, component supply chains, and manufacturing infrastructure with construction equipment production.
What industries depend on construction machinery manufacturers?
Highway and bridge construction contractors purchase graders, pavers, and earthmoving equipment for road projects. Building contractors buy excavators, loaders, and cranes for commercial and residential construction. Surface mining operators use off-highway trucks and portable crushing plants. According to BLS data[6], machinery manufacturing employment supports dealer networks, parts distribution, and field service operations across all customer segments.
What activities does NAICS 333120 include?
Covered products include bulldozers, excavators, loaders, graders, cranes, pile drivers, crushing plants, off-highway trucks, trenchers, and logging equipment. Manufacturing activities span steel fabrication, CNC machining, hydraulic system assembly, engine integration, painting, and final equipment testing. Excluded items include farm tractors (NAICS 333111), underground mining equipment (NAICS 333131), and oil field drilling rigs (NAICS 333132).
Are construction equipment manufacturers eligible for SBA loans?
Yes, manufacturers meeting the 1,250-employee threshold qualify for SBA 7(a) loans, 504 loans, and federal contracting set-asides. The SBA funding programs[10] page details eligibility for manufacturing businesses seeking capital for production equipment, facility construction, and working capital.
Where is construction machinery manufacturing concentrated in the United States?
Illinois hosts major production facilities for several global manufacturers. Indiana, Wisconsin, and Iowa maintain additional manufacturing clusters supported by skilled labor and proximity to steel suppliers. BLS employment data[6] confirms the Midwest concentrates the highest machinery manufacturing employment, with additional facilities in Georgia, North Carolina, and Texas near construction market centers.
Sources & References
Government datasets and editorial sources used in this report.
- [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
- [2]U.S. Census Bureau, Economic Census census.gov
- [3]U.S. Census Bureau, County Business Patterns census.gov
- [4]U.S. Small Business Administration, SBA 7(a) Loan Program Data data.sba.gov
- [5]Census Bureau census.gov
- [6]BLS data bls.gov
- [7]Small Business Administration sba.gov
- [8]SBA 7(a) loans sba.gov
- [9]504 loans sba.gov
- [10]SBA funding programs sba.gov
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