NAICS 331524 - Aluminum Foundries (except Die-Casting)
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Related NAICS Codes
Key Terms
aluminum castings
molten aluminum
aluminum foundry
precision casting
government contracting
defense manufacturing
aerospace components
infrastructure materials
fixed-price contracts
IDIQ contracts
military specifications
ISO certification
supply chain resilience
manufacturing procurement
small business subcontracting
What is NAICS 331524
NAICS code 331524 covers establishments primarily engaged in aluminum foundry operations excluding die-casting. These businesses specialize in pouring molten aluminum into molds to create aluminum castings used across various industrial applications. This sector includes companies that manufacture aluminum components for automotive, aerospace, construction, and machinery industries, among others. The aluminum castings produced are essential for fabricating durable, lightweight parts that meet strict performance specifications. Government agencies contract these services to ensure access to high-quality, customized aluminum components necessary for defense equipment, infrastructure projects, and specialized machinery. These foundries typically source raw aluminum from other producers and focus on precision molding and casting processes to meet rigorous government standards.
Industry Classification for NAICS 331524
This U.S. industry comprises establishments primarily engaged in pouring molten aluminum into molds to manufacture aluminum castings (except nonferrous die-castings). Establishments in this industry purchase aluminum made in other establishments.
Breakdown for NAICS 331524
- Includes establishments pouring molten aluminum into molds to produce castings, excluding die-casting.
- Focuses on manufacturing aluminum components for automotive, aerospace, defense, and construction industries.
- Typical business size ranges from small foundries to large manufacturers meeting government standards.
- Contracts often involve production of custom and standardized aluminum parts for government use.
- Requires compliance with strict quality and technical specifications for government procurement.
- Supports domestic manufacturing and supply chain resilience initiatives.
Included Activities for NAICS 331524
- Pouring molten aluminum into sand or metal molds to create castings.
- Finishing and machining aluminum castings to precise specifications.
- Testing and quality assurance of aluminum components to meet government standards.
- Sourcing raw aluminum from external suppliers for casting processes.
- Producing aluminum parts for defense, aerospace, automotive, and infrastructure applications.
- Collaborating with government agencies on design and specification requirements.
- Maintaining certifications such as ISO and compliance with military specifications.
- Providing prototype casting services for new government equipment development.
Business Types for NAICS 331524
- Aluminum casting foundries specializing in sand casting and investment casting.
- Manufacturers of aerospace and defense aluminum components.
- Small and medium-sized enterprises focusing on custom aluminum parts production.
- Industrial suppliers serving automotive and construction sectors with aluminum castings.
- Subcontractors supporting larger prime government contractors in manufacturing.
- Specialized machining and finishing shops integrated with aluminum foundry operations.
Subcategories for NAICS 331524
- Aluminum castings (except die-castings), unfinished, manufacturing
- Aluminum foundries (except die-casting)
- Castings (except die-castings), unfinished, aluminum, manufacturing
- Foundries, aluminum (except die-casting)
- Investment castings, aluminum, unfinished, manufacturing
- Permanent mold castings, aluminum, unfinished, manufacturing
- Sand castings, aluminum, unfinished, manufacturing
Government Buyers for NAICS 331524
Federal agencies such as the Department of Defense (DoD), Department of Transportation (DOT), and NASA frequently procure aluminum castings for use in military vehicles, aircraft, space exploration equipment, and critical infrastructure projects. State and local governments also purchase aluminum castings for public works, transportation systems, and public safety equipment. These agencies require reliable, high-strength aluminum castings that comply with detailed technical and quality requirements to ensure operational safety and performance in demanding environments. The specialized nature of aluminum casting necessitates contracts with experienced foundries capable of meeting government specifications and delivery timelines.
Contract Types & Procurement for NAICS 331524
Contracts under NAICS 331524 typically include fixed-price, indefinite delivery/indefinite quantity (IDIQ), and firm-fixed-price agreements. Procurement methods involve competitive bidding, requests for proposals (RFPs), and simplified acquisitions depending on contract size and complexity. Contract values can range from small orders for prototype components to multimillion-dollar contracts for large-scale production runs supporting defense or infrastructure programs. Government contracts often require compliance with quality assurance standards such as ISO certifications and adherence to military or aerospace specifications. Subcontracting opportunities are common within larger prime contracts, enabling small and medium-sized aluminum foundries to participate.
Details for NAICS 331524
Explore the hierarchy and related codes for this industry
| NAICS Code | Industry Title |
|---|---|
| 33152 | Nonferrous Metal Foundries |
| 3315 | Foundries |
| 331 | Primary Metal Manufacturing |
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