NAICS 333120 - Construction Machinery Manufacturing
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What is NAICS 333120
NAICS code 333120 covers the manufacturing of construction machinery, surface mining machinery, and logging equipment. This sector includes companies that design, engineer, and produce heavy-duty equipment used in earthmoving, excavation, mining, and forestry operations. Businesses operating in this industry range from large manufacturers of bulldozers and off-highway trucks to specialized producers of pile-driving equipment and rock drill bits. Government agencies contract for these products to support large infrastructure projects, military construction, land management, and natural resource extraction. Reliable, high-quality construction machinery is critical to the success of these operations, making this sector essential to public sector procurement.
Industry Classification for NAICS 333120
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
Breakdown for NAICS 333120
- Includes manufacturing of heavy construction and mining machinery and logging equipment.
- Covers a wide range of products such as bulldozers, backhoes, and off-highway trucks.
- Typical clients include government agencies requiring equipment for infrastructure and defense projects.
- Subject to specific size standards based on employee count or revenue for small business classification.
- Manufacturers often provide equipment along with maintenance and spare parts contracts.
Included Activities for NAICS 333120
- Manufacturing of construction tractors and attachments.
- Production of surface mining machinery excluding drilling equipment.
- Fabrication of portable crushing, pulverizing, and screening machinery.
- Assembly of pile-driving and road grading equipment.
- Manufacturing of powered post hole diggers and rock drill bits.
- Design and engineering of heavy off-highway trucks.
- Supplying replacement parts and maintenance services for construction machinery.
Business Types for NAICS 333120
- Heavy equipment manufacturers.
- Specialized construction machinery producers.
- Surface mining equipment manufacturers.
- Logging equipment manufacturers.
- Original equipment manufacturers (OEMs) for construction machinery.
- Companies providing maintenance and aftermarket parts for heavy machinery.
Subcategories for NAICS 333120
- Aggregate spreaders manufacturing
- Asphalt roofing construction machinery manufacturing
- Augers (except mining-type) manufacturing
- Backhoes manufacturing
- Bits, rock drill, construction and surface mining-type, manufacturing
- Blades for graders, scrapers, bulldozers, and snowplows manufacturing
- Bucket and scarifier teeth manufacturing
- Buckets, excavating (e.g., clamshell, concrete, drag scraper, dragline, shovel), manufacturing
- Bulldozers manufacturing
- Cabs for construction machinery manufacturing
- Chippers, portable, commercial (e.g., brush, limb, log), manufacturing
- Concrete finishing machinery manufacturing
- Concrete gunning equipment manufacturing
- Concrete mixing machinery, portable, manufacturing
- Construction machinery manufacturing
- Construction-type tractors and attachments manufacturing
- Cranes, construction-type, manufacturing
- Crushing machinery, portable, manufacturing
- Crushing, pulverizing, and screening machinery, portable, manufacturing
- Ditchers and trenchers, self-propelled, manufacturing
- Draglines, crawler, manufacturing
- Drags, road construction and road maintenance equipment, manufacturing
- Dredging machinery manufacturing
- Excavators (e.g., power shovels) manufacturing
- Extractors, piling, manufacturing
- Grader attachments manufacturing
- Graders, road, manufacturing
- Hammer mill machinery (i.e., rock and ore crushing machines), portable, manufacturing
- Highway line marking machinery manufacturing
- Jack hammers manufacturing
- Land preparation machinery, construction, manufacturing
- Loaders, shovel, manufacturing
- Log debarking machinery, portable, manufacturing
- Log splitters, portable, manufacturing
- Mixers, concrete, portable, manufacturing
- Mortar mixers, portable, manufacturing
- Off-highway trucks manufacturing
- Paving machinery manufacturing
- Pile-driving equipment manufacturing
- Planers, bituminous, manufacturing
- Plows, construction (e.g., excavating, grading), manufacturing
- Post hole diggers, powered, manufacturing
- Rock crushing machinery, portable, manufacturing
- Rock drills, construction and surface mining-type, manufacturing
- Rollers, road construction and maintenance machinery, manufacturing
- Sand mixers manufacturing
- Scarifiers, road, manufacturing
- Scrapers, construction-type, manufacturing
- Screening machinery, portable, manufacturing
- Shovel loaders manufacturing
- Shovels, power, manufacturing
- Slag mixers, portable, manufacturing
- Snow plow attachments (except lawn, garden-type) manufacturing
- Surface mining machinery (except drilling) manufacturing
- Tampers, powered, manufacturing
- Tractors and attachments, construction-type, manufacturing
- Tractors, crawler, manufacturing
- Trenching machines manufacturing
- Trucks, off-highway, manufacturing
- Vibrators, concrete, manufacturing
Government Buyers for NAICS 333120
Federal, state, and local government agencies are the primary buyers of construction machinery manufactured under NAICS 333120. Agencies such as the Department of Defense, the U.S. Army Corps of Engineers, the Bureau of Land Management, and state departments of transportation require durable construction and mining equipment to execute public works, military base development, land reclamation, and infrastructure maintenance. These buyers need specialized machinery to meet the demands of diverse terrains and project scopes, ensuring efficiency, safety, and compliance with environmental standards.
Contract Types & Procurement for NAICS 333120
Contracts for construction machinery manufacturing typically include firm-fixed-price, indefinite-delivery indefinite-quantity (IDIQ), and competitive sealed bidding agreements. Procurement methods often involve full and open competition, though small business set-asides and negotiated contracts may also apply. Contract values vary widely depending on the scope and complexity, ranging from smaller orders for specific attachments or components to multi-million-dollar contracts for fleets of heavy equipment. Long-term maintenance and support contracts are also common, providing ongoing service and parts supply.
Details for NAICS 333120
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