331529 - Other Nonferrous Metal Foundries (except Die-Casting)

If you’re involved in the manufacturing of nonferrous metal castings — excluding die-casting — the NAICS code 331529 is essential for classifying your business in government contracting, compliance, and market analysis. This specific NAICS code pinpoints the unique industry of producing castings from metals such as aluminum, copper, and other nonferrous alloys for diverse industrial applications.

---

What is NAICS Code 331529?

NAICS Code 331529 stands for Other Nonferrous Metal Foundries (except Die-Casting). This classification covers establishments primarily engaged in manufacturing nonferrous metal castings through various methods other than die-casting. Key metals involved include aluminum, copper, brass, bronze, magnesium, nickel, titanium, and more. These foundries supply essential cast parts for industries ranging from automotive to aerospace and heavy machinery.

---

Sector & Typical Business Activities

• Sector: Manufacturing
• Primary Activities:
  • Producing nonferrous metal castings (excluding die-casting)
  • Manufacturing castings from copper alloys, aluminum, brass, bronze, and other nonferrous metals
  • Investment casting, sand casting, permanent mold casting, and other casting techniques
  • Fabricating unfinished metal castings for industrial and commercial use

Typical Business Types Under NAICS 331529

• Aluminum foundries creating custom cast parts for machinery
• Copper alloy casting manufacturers supplying industrial components
• Specialized nonferrous metal casting shops serving aerospace and automotive clients

---

Size Standards for NAICS 331529

To qualify under this NAICS code for government contracting size standards, a business must have a maximum of 500 employees. This size standard is crucial for small business certifications and eligibility for federal set-aside contracts.

---

Detailed Code Description Table

Code Detail Description	Included in NAICS 331529
Beryllium castings (except die-castings), unfinished manufacturing	Yes
Brass foundries (except die-casting)	Yes
Bronze foundries (except die-casting)	Yes
Castings (except die-castings), nonferrous metals (except aluminum), unfinished	Yes
Copper alloy castings (except die-castings), unfinished	Yes
Copper foundries (except die-casting)	Yes
Foundries (except die-casting), nonferrous metals (except aluminum)	Yes
Investment castings, nonferrous metal (except aluminum), unfinished	Yes
Lead castings (except die-castings), unfinished manufacturing	Yes
Magnesium castings (except die-castings), unfinished manufacturing	Yes
Nickel castings (except die-castings), unfinished manufacturing	Yes
Nonferrous metals (except aluminum) foundries (except die-casting)	Yes
Nonferrous metals (except aluminum) unfinished castings (except die-castings)	Yes
Permanent mold castings, nonferrous metal (except aluminum), unfinished	Yes
Sand castings, nonferrous metals (except aluminum), unfinished	Yes
Ship and boat propellers, cast brass, bronze and copper (except die-casting), unfinished	Yes
Titanium castings (except die-castings), unfinished manufacturing	Yes
White metal castings (except die-castings), unfinished manufacturing	Yes
Zinc castings (except die-castings), unfinished manufacturing	Yes

---

Why is NAICS Code 331529 Important?

Using the correct NAICS code helps businesses:

• Communicate their industry focus accurately within government databases
• Access targeted federal contracting opportunities
• Maintain compliance with industry regulations and standards
• Benchmark and analyze market data relative to nonferrous metal foundries

---

Frequently Asked Questions (FAQ)

1. What metals are used in NAICS 331529 foundries?

Primarily metals such as aluminum, copper, brass, bronze, magnesium, nickel, titanium, zinc, and other nonferrous alloys (excluding die-casting methods).

2. Does this code include die-casting foundries?

No. NAICS 331529 specifically excludes die-casting foundries, which fall under a different NAICS code.

3. What is the employee size standard for NAICS 331529?

The size standard is 500 employees or fewer, defining eligibility as a small business in government contracting.

4. Can my custom metal casting shop be classified under NAICS 331529?

If you primarily produce nonferrous metal castings (except die-casting), your shop would typically fall under this NAICS code.

5. Where can I use this NAICS code?

You’ll use NAICS 331529 for government contract applications, industry reports, regulatory filings, and supplier registrations.

---

Conclusion

NAICS Code 331529 - Other Nonferrous Metal Foundries (except Die-Casting) is a vital classification for manufacturers specializing in nonferrous metal casting processes excluding die-casting. From aluminum and copper to titanium and zinc castings, these foundries serve a wide range of industrial sectors with critical components. Understanding this code, its sector, and size standards helps businesses strategically position themselves in the competitive manufacturing market and federal contracting arena.

If your business produces these types of metal castings, properly classifying under NAICS 331529 can open doors to government contracts and strategic growth opportunities.

---

Keywords: NAICS 331529, nonferrous metal foundries, metal casting industry, manufacturing NAICS codes, aluminum foundries, copper alloy castings, nonferrous metal casting shops, government contracting NAICS, size standards manufacturing