332812 - Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
If you’re involved in manufacturing or planning to enter industries related to metal finishing or engraving, understanding NAICS code 332812 is essential. This code covers a specialized segment of the manufacturing sector, focusing on metal coating and engraving services, excluding jewelry and silverware. It plays a crucial role in the supply chain for many industrial and commercial applications. In this post, we'll break down everything you need to know about NAICS 332812 including the services it covers, sector relevance, size standards, and common business examples.
What is NAICS Code 332812?
NAICS Code 332812 is titled "Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers."
This industry classification comprises establishments primarily engaged in:
- Metal coating services (excluding jewelry and silverware)
- Engraving on metals (excluding printing plates)
- Allied surface treatment services to manufacturers
Common processes include metal plating, anodizing, galvanizing, and other advanced surface treatment methods designed to enhance metal durability, appearance, and corrosion resistance.
Sector and Typical Business Activities
NAICS 332812 falls under the broader Manufacturing sector, specifically focusing on secondary metal processing rather than raw metal production. Businesses categorized here provide critical surface treatment and finishing services that prepare metal products for final use in manufacturing or retail.
Typical business types and activities include:
- Metal plating services
- Engraving services for industrial and commercial metal parts
- Anodizing and other metal finishing services
- Powder coating and rustproofing metals
- Galvanizing and hot-dip galvanizing processes
These services help manufacturers extend the life cycle of metal components, improve visual aesthetics, and provide essential surface properties tailored to specific applications.
Size Standards and Eligibility
For government contracting and regulatory purposes, the size standard for NAICS code 332812 is:
- Maximum of 600 employees
Businesses with 600 or fewer employees are generally classified as small under this NAICS code, making them eligible for small business programs and certain contracting opportunities.
Examples of Businesses Under NAICS 332812
- Industrial Metal Plating Shops: Providing plating services such as chrome, nickel, or zinc plating to various manufacturers.
- Engraving Firms: Specializing in detailed engraving for automotive parts, machine tools, or electronic casings.
- Anodizing Companies: Offering anodic oxidation finishing to aluminum parts used in aerospace, automotive, and consumer electronics.
- Powder Coating Providers: Supplying dry powder finishing services for metal furniture and equipment.
- Galvanizing Facilities: Applying protective zinc coatings to steel products for construction or infrastructure.
Detailed NAICS 332812 Code Activities Table
| Activity Description | Details |
|---|---|
| Aluminum coating of metal products for the trade | Surface coating focused on aluminum alloys |
| Bonderizing metal and metal products for the trade | Phosphating treatment to enhance paint adhesion |
| Chasing metals and metal products (except printing plates) | Decorative surface engraving |
| Coating metals and metal products for the trade | Application of various coatings to metals |
| Coating of metal and metal products with plastics for the trade | Plastic layering for protective purposes |
| Enameling metals and metal products for the trade | Fusing powdered glass onto metal surfaces |
| Engraving metals and metal products (except printing plates) | Deep cutting or carving on metal surfaces |
| Etching metals and metal products (except printing plates) | Chemical or electrochemical surface patterning |
| Flocking metals and metal products for the trade | Applying fine fibers for texture or appearance |
| Galvanizing metals and metal products for the trade | Zinc coating to prevent rust and corrosion |
| Glazing metals and metal products for the trade | Applying transparent coatings or finishes |
| Hot dip galvanizing metals and metal products for the trade | Immersing metals in molten zinc |
| Japanning metals and metal products for the trade | Lacquer-based finishing |
| Lacquering metals and metal products for the trade | Application of protective clear coats |
| Painting metals and metal products for the trade | Use of paint coatings for protection or appearance |
| Parkerizing metals and metal products for the trade | Phosphate coating for corrosion resistance |
| Powder coating metals and metal products for the trade | Electrostatic application of dry powder |
| Rustproofing metals and metal products for the trade | Treatments to resist oxidation and corrosion |
| Sherardizing metals and metal products for the trade | Diffusion zinc coating process |
| Varnishing metals and metal products for the trade | Protective transparent coatings applied |
Frequently Asked Questions (FAQ)
What industries typically use services from NAICS 332812 businesses?
Automotive, aerospace, electronics, construction, and heavy machinery manufacturers often rely on these metal coating and engraving services to enhance product durability and aesthetics.
Is jewelry included in NAICS 332812?
No. This industry explicitly excludes services related to jewelry and silverware. Those fall under different NAICS codes.
Can businesses with over 600 employees be classified under NAICS 332812?
Yes, businesses with over 600 employees can exist under this code but are not considered small businesses for SBA and government contracting purposes.
What are some examples of metal coating processes covered under this code?
Processes include anodizing, powder coating, galvanizing, parkerizing, sherardizing, enameling, and others listed in the code details table.
Conclusion
NAICS code 332812 plays a vital role in the manufacturing ecosystem by providing specialized metal coating, engraving, and allied services that ensure metal parts meet industry standards for quality, durability, and appearance. Whether you are a small business owner aiming to enter this niche or a contractor looking for qualified subcontractors, understanding this NAICS classification helps in identifying market opportunities and compliance requirements.
Stay informed, and leverage NAICS 332812 to strengthen your position in the competitive manufacturing services landscape.
