NAICS 332812 Quarterly Industry Report
Metal Coating, Engraving (except Jewelry and Silverware), and Allied S
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 332812Sector: 33Updated: Q1 2026
About This Report
This report details NAICS 332812 compiled by Fair Market Value using data from the U.S. Census Bureau[8], Census economic data[5], and Bureau of Labor Statistics[6] occupational employment statistics. Industry association data from the National Association for Surface Finishing[7] supplements government sources. Additional data is drawn from SBA[9].. This report is updated quarterly as new statistical releases become available.
Industry Snapshot
Key metrics for the metal coating, engraving (except jewelry and silverware), and allied s industry.
Industry Definition & Overview
Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers (NAICS 332812) encompasses establishments primarily engaged in enameling, lacquering, varnishing, hot dip galvanizing, engraving, chasing, etching, powder coating, and other metal surfacing services for manufacturers. These service providers perform surface finishing processes on metals and metal products, including applications to non-metal materials such as plastics.
Per Census Bureau data[5], the industry comprises approximately 3,470 active companies employing 52,340 workers. A typical metal coating and engraving service provider operates from a single location, employs roughly 27 workers, and generates annual revenue between 6 and 7 million dollars. Companies specializing in metal coating and engraving represent half of firms and 57 percent of industry revenue.
Metal finishing services remain essential to manufacturing supply chains. Average hourly wages in this industry reach $29.61 as of 2023 Bureau of Labor Statistics data[6]. Environmental compliance, particularly wastewater treatment and chemical handling, represents a significant operating cost and regulatory consideration for establishments in this sector. The National Association for Surface Finishing (NASF)[7] represents industry interests and provides technical education on coating processes and safety standards. Coating operations require careful management of volatile organic compound (VOC) emissions and hazardous waste disposal under federal and state environmental permits. Small shops often struggle with the cost burden of compliance, making environmental permitting a factor in industry consolidation.
What's Included in This Industry
- Enameling and lacquering of metals and metal products
- Hot dip galvanizing services for corrosion protection
- Engraving, chasing, and etching of metals and metal products
- Powder coating and industrial coating applications
- Painting and spray coating of manufactured metal components
- Buffing, polishing, cleaning, and sandblasting of metals
- Metal surfacing services on non-metal substrates such as plastics
- Varnishing and protective coating application
- Industrial marking and identification engraving
- Allied metal finishing and surface treatment services
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Subsector | Fabricated Metal Product Manufacturing | 332 |
| Industry Group | Coating, Engraving, Heat Treating, and Allied Activities | 3328 |
| NAICS Industry | Coating, Engraving, Heat Treating, and Allied Activities | 33281 |
| National Industry | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers | 332812 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 332811 | Metal Heat Treating | Metal Heat Treating covers thermal processing services including annealing, tempering, and brazing that alter metallurgical properties, while NAICS 332812 focuses on surface coating and finishing services that protect or decorate metal surfaces. |
| 332813 | Electroplating, Plating, Polishing, Anodizing, and Coloring | Electroplating, Plating, Polishing, Anodizing, and Coloring emphasizes electrochemical plating processes, while NAICS 332812 covers mechanical and chemical coating methods such as galvanizing, powder coating, and painting. |
| 332710 | Machine Shops | Machine Shops perform custom machining and fabrication work that often requires coating, plating, and surface finishing from NAICS 332812 establishments as a subsequent production step. |
| 332322 | Sheet Metal Work Manufacturing | Sheet Metal Work Manufacturing produces fabricated sheet metal components that frequently require protective coating, painting, and surface finishing services before delivery to end customers. |
| 332119 | Metal Crown, Closure, and Other Metal Stamping (except Automotive) | Metal Crown, Closure, and Other Metal Stamping produces stamped metal products that often require coating and finishing services for corrosion prevention and aesthetic requirements. |
| 336110 | Automobile and Light Duty Motor Vehicle Manufacturing | Automobile and Light Duty Motor Vehicle Manufacturing relies on metal coating services for corrosion protection, aesthetic finishing, and functional coating of automotive components throughout the supply chain. |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | California | 13.2% | 354 |
| 2 | Texas | 8.0% | 213 |
| 3 | Michigan | 6.1% | 162 |
| 4 | Ohio | 5.9% | 159 |
| 5 | Indiana | 4.9% | 130 |
| 6 | Pennsylvania | 4.8% | 129 |
| 7 | Illinois | 4.3% | 116 |
| 8 | Wisconsin | 3.8% | 102 |
| 9 | Florida | 3.8% | 101 |
| 10 | New York | 3.7% | 100 |
% Of Establishments
0%
13%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
232
Total SBA Loans
$120.9M
Total Loan Volume
$521K
Average Loan Size
12 yrs
Average Loan Term
10.03%
Average Interest Rate
1,352
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: NAICS 332812 establishments are classified with an SBA size standard of 500 employees[10]. Metal coating and engraving businesses meeting this threshold qualify for SBA 7(a) loan programs[11] and 504 loans for equipment and facility financing. These businesses may also access the MARC Loan program[12] designed specifically for manufacturers in NAICS sectors 31-33. Environmental compliance costs for coating operations make SBA financing particularly relevant for equipment upgrades.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | U.S. Bank, National Association | 16 | $39.1M | $2.4M |
| 2 | Newtek Bank, National Association | 48 | $33.2M | $692K |
| 3 | Wells Fargo Bank National Association | 16 | $13.8M | $863K |
| 4 | SouthState Bank, National Association | 8 | $10.3M | $1.3M |
| 5 | MidFirst Bank | 8 | $8.0M | $1.0M |
Frequently Asked Questions
Common questions about this industry.
What types of businesses are classified under NAICS 332812?
NAICS 332812 includes metal finishing service providers that perform enameling, lacquering, hot dip galvanizing, engraving, powder coating, painting, and other surface treatment services on contract for manufacturers. These establishments serve industrial clients across automotive, aerospace, machinery, and consumer goods sectors. Business sizes range from small specialty shops to large multi-line finishing operations.
How is NAICS 332812 structured within the manufacturing sector?
NAICS 332812 is part of Industry Group 3328 (Coating, Engraving, Heat Treating, and Allied Activities), within Subsector 332 (Fabricated Metal Product Manufacturing). Per the Census Bureau[8], this classification covers surface coating and engraving services, distinguished from heat treating (332811) and electroplating (332813) which apply different processing methods.
What is the SBA size standard for NAICS 332812?
The SBA size standard for NAICS 332812 is 500 employees[10]. Businesses with 500 or fewer employees qualify as small businesses for federal contracting and SBA loan program eligibility.
How does NAICS 332812 differ from NAICS 332811 and 332813?
NAICS 332812 focuses on surface coating and engraving services (painting, galvanizing, powder coating, etching). NAICS 332811 (Metal Heat Treating) covers thermal processes that alter internal metallurgical properties. Larger 332813 (Electroplating, Plating, Polishing, Anodizing) emphasizes electrochemical surface treatments. All three provide contract finishing services but apply fundamentally different physical and chemical processes.
What related industries send work to metal coating service providers?
Major customer industries include automotive parts manufacturing, construction equipment production, prefabricated metal building manufacturing (332311), agricultural equipment manufacturing, and consumer goods producers. Per Census Bureau data[5], metal coating companies serve broad manufacturing customer bases requiring corrosion protection, aesthetic finishing, and functional surface treatments.
What activities are included in NAICS 332812?
Included activities are enameling, lacquering, varnishing, hot dip galvanizing, engraving, chasing, etching, powder coating, industrial painting, buffing, polishing, cleaning, sandblasting, and other metal surfacing services. These processes apply to metals and may extend to non-metal substrates such as plastics. Per naicslist.com[13], these services are provided on contract to manufacturers rather than on proprietary products.
Are NAICS 332812 businesses eligible for SBA loans?
Yes, metal coating businesses meeting the 500-employee threshold qualify for SBA 7(a) loans[11] and 504 loans. The MARC Loan program[12] provides additional financing options specifically for manufacturers. Environmental compliance equipment upgrades are common uses of SBA-backed financing in this sector.
Where are metal coating and engraving establishments concentrated geographically?
Metal coating establishments cluster in regions with strong manufacturing bases. Per BLS regional manufacturing data[14], the Midwest maintains the highest concentration of production occupations, with significant clusters in Michigan, Ohio, Indiana, and Illinois. Southeastern states with growing automotive assembly operations also support metal finishing service providers.
Sources & References
Government datasets and editorial sources used in this report.
- [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
- [2]U.S. Census Bureau, Economic Census census.gov
- [3]U.S. Census Bureau, County Business Patterns census.gov
- [4]U.S. Small Business Administration, SBA 7(a) Loan Program Data data.sba.gov
- [5]Census Bureau data data.census.gov
- [6]Bureau of Labor Statistics data bls.gov
- [7]National Association for Surface Finishing (NASF) nasf.org
- [8]U.S. Census Bureau census.gov
- [9]SBA sba.gov
- [10]SBA size standard of 500 employees sba.gov
- [11]SBA 7(a) loan programs sba.gov
- [12]MARC Loan program sba.gov
- [13]naicslist.com naicslist.com
- [14]BLS regional manufacturing data bls.gov
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