NAICS 33151 - Ferrous Metal Foundries
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Related NAICS Codes for NAICS 33151
Click on any NAICS code to explore that specific industry within NAICS 33151
| NAICS Code | Industry Title |
|---|---|
| 331511 | Iron Foundries |
| 331512 | Steel Investment Foundries |
| 331513 | Steel Foundries (except Investment) |
What is NAICS 33151
NAICS code 33151 covers establishments primarily engaged in the production of ferrous metal castings by pouring molten iron and steel into molds to create desired shapes. These foundries play a critical role in manufacturing components used across a wide spectrum of industries, including automotive, aerospace, defense, infrastructure, and heavy machinery. Businesses operating in this sector typically purchase raw iron and steel from external sources and specialize in shaping these metals into durable castings required for various applications. Government agencies contract with ferrous metal foundries to procure custom and standard metal castings essential for infrastructure projects, military equipment, and industrial maintenance, ensuring durability and performance standards are met for critical operations.
Industry Classification for NAICS 33151
This industry comprises establishments primarily engaged in pouring molten iron and steel into molds of a desired shape to make castings. Establishments in this industry purchase iron and steel made in other establishments.
Breakdown for NAICS 33151
- Includes establishments pouring molten iron and steel into molds to create castings.
- Primarily focused on producing ferrous metal components for industrial and government use.
- Typical business size varies from small specialized foundries to large manufacturing operations.
- Contracts often involve custom and standard castings for defense and infrastructure projects.
- Must comply with stringent quality and material standards required by government agencies.
Included Activities for NAICS 33151
- Melting and pouring molten iron and steel into molds.
- Designing and fabricating molds for casting shapes.
- Performing heat treatment and finishing of metal castings.
- Conducting quality control and metallurgical testing.
- Supplying castings for machinery, vehicle parts, and infrastructure components.
- Collaborating with government engineers on specifications and standards.
- Maintaining compliance with environmental and safety regulations.
Business Types for NAICS 33151
- Ferrous metal foundries
- Custom metal casting manufacturers
- Industrial metal component suppliers
- Defense subcontractors specializing in metal castings
- Infrastructure and construction material suppliers
Government Buyers for NAICS 33151
Federal agencies such as the Department of Defense (DoD), the Department of Transportation (DOT), and the U.S. Army Corps of Engineers frequently purchase ferrous metal castings for use in military vehicles, infrastructure repair, and heavy equipment. These agencies require reliable, high-quality castings to maintain and upgrade their assets, including weaponry, transportation systems, and public works. State and local governments also procure castings for municipal infrastructure projects, public transit, and water management systems. The demand from government entities is driven by the need for durable, custom-engineered metal components that meet strict technical and safety specifications.
Contract Types & Procurement for NAICS 33151
Contracts for ferrous metal foundry services are commonly awarded through competitive bidding, including firm-fixed-price and indefinite delivery/indefinite quantity (IDIQ) contracts. Procurement methods often involve solicitations via government platforms such as SAM.gov, with contract values ranging from small orders for replacement parts to multi-million-dollar agreements for large-scale production runs. Blanket purchase agreements (BPAs) and task orders are frequent, reflecting the ongoing requirements for maintenance and new construction. Government contracting officers emphasize compliance with quality certifications, delivery schedules, and cost-efficiency when awarding contracts in this sector.
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