3315 - Foundries

If you’re involved in the manufacturing industry, particularly in metal casting, NAICS Code 3315 - Foundries is essential to know. This code classifies businesses that specialize in transforming molten metal into finished or semi-finished products. Foundries play a critical role in various sectors such as automotive, aerospace, construction, and machinery manufacturing by providing essential metal components.

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What is NAICS Code 3315 - Foundries?

NAICS Code 3315 encompasses establishments primarily engaged in casting metal into various shapes and components. These businesses produce metal castings by melting various types of metals and pouring them into molds. The output can either be finished products ready for market or semi-finished castings that require further machining or assembly.

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Sector and Typical Business Activities

• Sector: Manufacturing (NAICS Sector 31-33)
• Primary Activities:
  • Melting metal (ferrous and nonferrous)
  • Pouring molten metal into molds
  • Producing metal castings in various shapes and sizes
  • Manufacturing finished or semi-finished cast metal parts

Typical Business Types within NAICS 3315:

• Iron Foundries
• Steel Foundries
• Nonferrous Foundries (e.g., aluminum, copper, zinc casting)

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Size Standards for NAICS 3315 Eligibility

For government contracting and SBA purposes, size standards help determine whether a business qualifies as a small entity under this NAICS code:

NAICS Code	Industry Title	Size Standard (Standard Industrial Classification based on Employees)
3315	Foundries	1,000 employees or fewer

This standard applies generally for small business procurement eligibility and can influence contract bids and federal assistance.

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Examples of Businesses Covered Under NAICS 3315

• Iron Foundry Businesses: Producing iron castings for engine blocks, pipes, and industrial machinery.
• Steel Foundries: Manufacturing steel castings tailored for automotive components and heavy equipment.
• Nonferrous Foundries: Creating cast products from metals like aluminum, copper, and brass for electrical components and household appliances.

Such companies are critical suppliers in the metalworking supply chain and cater to multiple end-use industries.

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NAICS Code 3315 Details at a Glance

Code	Description	Sector	Size Standard (Employees)	Typical Business Examples
3315	Foundries	Manufacturing	1,000 employees or fewer	Iron Foundries, Steel Foundries, Nonferrous Foundries

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Frequently Asked Questions About NAICS Code 3315

Q1: What metals are commonly used in foundries under NAICS 3315?
A: Common metals include iron, steel, aluminum, copper, brass, and other nonferrous alloys.

Q2: Can foundries under NAICS 3315 be involved in machining or finishing?
A: Yes, many foundries also provide finishing processes like machining or surface treatment on castings.

Q3: How do I know if my metal casting business fits NAICS 3315?
A: If your primary activity involves melting metal and pouring it into molds to produce metal castings, NAICS 3315 is the appropriate code.

Q4: Is NAICS 3315 used for federal contracting purposes?
A: Yes, this NAICS code is widely used by federal agencies to classify and procure services from foundry manufacturers.

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Conclusion

NAICS 3315 - Foundries serves as a vital classification within the manufacturing sector, specifically focusing on metal casting businesses. Understanding this code is crucial for companies seeking government contracts, industry recognition, and classification within the metalworking supply chain. From iron and steel to nonferrous metals, foundries are indispensable to the production of complex metal components that drive numerous industries.

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Optimize your government contracting and business strategies by leveraging NAICS Code 3315 to target the foundry manufacturing sector effectively.