332812 — Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
Description
This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) enameling, lacquering, and varnishing metals and metal products; (2) hot dip galvanizing metals and metal products; (3) engraving, chasing, or etching metals and metal products (except jewelry; personal goods carried on or about the person, such as compacts and cigarette cases; precious metal products (except precious plated flatware and other plated ware); and printing plates); (4) powder coating metals and metal products; and (5) providing other metal surfacing services for the trade. Included in this industry are establishments that perform these processes on other materials, such as plastics, in addition to metals (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3479 - Coating, Engraving, and Allied Services, NEC (via SIC1987:3479→NAICS1997:332812→2002:332812→2007:332812→2012:332812→2017:332812→2022:332812)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 3426 — Metal Finishing Equipment
- PSC L034 — Technical Representation Services: Metalworking Machinery
- PSC R499 — Other Professional Services
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 332812 valid in 2022? ▾
Yes, 332812 is a valid 6-digit 2022 NAICS national industry code representing 'Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 332812? ▾
The Small Business Administration (SBA) has established a small business size standard of 600 employees for NAICS code 332812 (Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers), calculated based on employees.
What is the legacy SIC equivalent for NAICS 332812? ▾
According to official Census Bureau concordance tables, NAICS code 332812 (Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3479 - Coating, Engraving, and Allied Services, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 332812:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 332812 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.