NAICS 333611 - Turbine and Turbine Generator Set Units Manufacturing
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What is NAICS 333611
NAICS code 333611 covers establishments primarily engaged in manufacturing turbines (excluding aircraft turbines) and complete turbine generator set units. This includes steam turbines, hydraulic turbines, gas turbines, and wind turbines. Businesses operating in this sector design, engineer, and produce these vital components for power generation and industrial applications. These manufacturers supply essential equipment that supports energy infrastructure, industrial power needs, and renewable energy initiatives. Government contracting in this sector is significant due to the critical role turbines play in national energy production, defense applications, and infrastructure modernization. Agencies rely on these specialized manufacturers to provide reliable, high-quality turbine units for various federal projects and energy programs.
Industry Classification for NAICS 333611
This U.S. industry comprises establishments primarily engaged in manufacturing turbines (except aircraft); and complete turbine generator set units, such as steam, hydraulic, gas, and wind.
Breakdown for NAICS 333611
- Manufacturing of steam, hydraulic, gas, and wind turbines excluding aircraft turbines.
- Production of complete turbine generator set units for power generation.
- Supplies essential equipment for energy, defense, and infrastructure sectors.
- Includes firms specializing in design, engineering, and assembly of turbines.
- Businesses must meet stringent quality and reliability standards for government use.
- Typical projects involve both new installations and replacement or upgrade of turbine units.
Included Activities for NAICS 333611
- Design and engineering of turbine components and systems.
- Manufacture and assembly of steam, gas, hydraulic, and wind turbines.
- Testing and quality assurance of turbine generator set units.
- Integration of turbines with generator sets for power production.
- Provision of maintenance and repair services for turbine equipment.
- Customization of turbine units to meet specific government project requirements.
- Supply chain management for specialized turbine materials and parts.
- Compliance with federal manufacturing and environmental regulations.
Business Types for NAICS 333611
- Industrial turbine manufacturing companies.
- Renewable energy equipment manufacturers specializing in wind turbines.
- Engineering firms providing turbine design and customization.
- Contract manufacturers partnering with government energy projects.
- Maintenance and service providers for turbine systems.
- Defense contractors supplying power generation equipment for military use.
Subcategories for NAICS 333611
- Gas turbine generator set units manufacturing
- Gas turbines (except aircraft) manufacturing
- Generator sets, turbine (e.g., gas, hydraulic, steam), manufacturing
- Governors, steam, manufacturing
- Hydraulic turbine generator set units manufacturing
- Hydraulic turbines manufacturing
- Motor generator sets, turbo generators, manufacturing
- Steam turbine generator set units manufacturing
- Steam turbines manufacturing
- Turbine generator set units manufacturing
- Turbines (except aircraft) manufacturing
- Water turbines manufacturing
- Wind powered turbine generator sets manufacturing
- Wind turbines (i.e., windmill) manufacturing
- Windmills, electric power, generation-type, manufacturing
Government Buyers for NAICS 333611
Federal government agencies such as the Department of Energy (DOE), Department of Defense (DoD), and the General Services Administration (GSA) are primary buyers of turbine and turbine generator set units. These agencies require turbines for power generation in military bases, national laboratories, and federal energy facilities. Other government purchasers include the U.S. Army Corps of Engineers and the Department of Veterans Affairs, which operate large-scale infrastructure projects needing reliable turbine equipment. These agencies contract for turbines to ensure energy security, support renewable energy initiatives, and maintain critical infrastructure resilience.
Contract Types & Procurement for NAICS 333611
Contracts in this NAICS sector commonly include firm-fixed-price, cost-plus-fixed-fee, and indefinite-delivery/indefinite-quantity (IDIQ) contracts. Procurement methods often involve competitive bidding, requests for proposals (RFPs), and sole-source contracts depending on the specialized nature of the turbine technology. Contract values vary widely, typically ranging from hundreds of thousands to multiple millions of dollars, reflecting the complexity and scale of turbine manufacturing and installation. Long-term maintenance and service contracts are also common, supporting the lifecycle needs of government-owned turbine assets.
Details for NAICS 333611
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