NAICS 33651 - Railroad Rolling Stock Manufacturing
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Related NAICS Codes for NAICS 33651
Click on any NAICS code to explore that specific industry within NAICS 33651
| NAICS Code | Industry Title |
|---|---|
| 336510 | Railroad Rolling Stock Manufacturing |
What is NAICS 33651
NAICS code 33651 covers the manufacturing of railroad rolling stock, which includes the production of freight cars, passenger railcars, and other rail vehicles. Businesses operating in this sector design, engineer, and assemble railcars that are critical for freight and passenger transportation. The industry plays a pivotal role in supporting rail infrastructure and transportation logistics by delivering durable and technologically advanced rolling stock solutions. Government agencies contract for these services to maintain, expand, and modernize rail networks that support national transportation systems, defense logistics, and public transit initiatives. Additionally, contracts in this sector often involve compliance with stringent safety and environmental standards, reflecting the importance of reliable and secure rail equipment for public and commercial use.
Breakdown for NAICS 33651
- Manufacture of freight and passenger railcars and other railroad rolling stock.
- Includes engineering, design, and assembly of rail vehicles.
- Supports freight transportation, public transit, and defense logistics.
- Subject to federal safety and environmental regulations.
- Typical size standards vary by employee count and revenue thresholds.
- Often involves long-term contracts with government agencies.
Included Activities for NAICS 33651
- Design and engineering of railroad freight and passenger cars.
- Manufacture and assembly of railcar components and complete units.
- Testing and certification to meet safety and operational standards.
- Refurbishment and modernization of existing railcar fleets.
- Supply chain management for specialized railcar materials.
- Collaboration with government and transit agencies on specifications.
- Maintenance support and warranty services for rolling stock.
- Implementation of energy-efficient and environmentally compliant technologies.
Business Types for NAICS 33651
- Railcar manufacturers specializing in freight or passenger cars.
- Engineering firms focused on rail vehicle design.
- Maintenance and refurbishment service providers.
- Defense contractors supplying specialized military railcars.
- Transit equipment suppliers supporting public transportation agencies.
Government Buyers for NAICS 33651
Federal and state transportation departments, the Department of Defense, Amtrak, and transit authorities are primary government buyers in the railroad rolling stock manufacturing sector. These agencies require rolling stock to support national freight movement, passenger transit services, and military logistics. Investments in rail infrastructure modernization, expansion projects, and fleet upgrades drive demand for new railcars. The Department of Defense, for example, contracts for specialized military railcars to transport equipment and supplies. State and local transit agencies purchase passenger railcars for commuter and urban rail systems to improve public transportation capacity and efficiency.
Contract Types & Procurement for NAICS 33651
Contracts under NAICS 33651 typically include firm-fixed-price, cost-reimbursement, and indefinite-delivery/indefinite-quantity (IDIQ) contracts. Procurement methods often involve competitive bidding, requests for proposals (RFPs), and negotiated contracts to meet specific technical and operational requirements. Contract values can range from several hundred thousand dollars for prototype or small orders to multimillion-dollar agreements for large fleet production and modernization efforts. Long-term contracts with option periods are common to support ongoing maintenance, refurbishment, and incremental fleet expansion projects. Compliance with federal acquisition regulations and quality assurance standards is essential throughout the contracting process.
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