NAICS 332322 Quarterly Industry Report
Sheet Metal Work Manufacturing
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 332322Sector: 33Updated: Q1 2026
About This Report
This industry report for NAICS 332322 (Sheet Metal Work Manufacturing) provides market analysis based on official government data from the U.S. Census Bureau[5] and Bureau of Labor Statistics[6]. Published by Fair Market Value and updated quarterly, this profile enables accurate identification of market segments and business classification for valuation professionals, lenders, and business owners. Additional data is drawn from SBA[7].. The editorial analysis reflects the independent assessment of FairMarketValue.com's research team, with all quantitative claims sourced to publicly verifiable databases.
Industry Snapshot
Key metrics for the sheet metal work manufacturing industry.
Industry Definition & Overview
Sheet Metal Work Manufacturing (NAICS 332322) encompasses establishments primarily engaged in manufacturing sheet metal products, excluding metal stampings U.S. Census Bureau[5]. This industry comprises businesses that transform thin sheets of steel, aluminum, or other metal alloys into specialized fabricated products for use in construction, HVAC systems, industrial applications, and decorative purposes.
The sheet metal fabrication process involves cutting, bending, forming, and assembling metal sheets through various techniques including welding, crimping, and lock-forming. Common products include heating and air conditioning ducts, rain gutters, metal siding, roofing panels, and custom architectural elements. Establishments employ specialized machinery such as press brakes, shears, roll-forming machines, and welding systems. Sheet metal fabrication is a critical intermediate manufacturing process. Custom work dominates the industry, as most orders require shop drawings and precise measurements before fabrication begins.
Per Bureau of Labor Statistics data[6], the broader fabricated metals sector ranks among the largest U.S. manufacturing industries by employment. Sheet metal work manufacturing serves diverse end-use markets including commercial construction, residential building maintenance, HVAC contractors, industrial equipment manufacturing, and transportation sectors. Most firms operate as regional job shops or specialized contractors. Material costs, particularly aluminum and steel sheet prices, directly affect margins and pricing structures across the industry. Seasonal demand peaks during spring and summer construction months.
What's Included in This Industry
- Manufacturing of sheet metal products (except stampings)
- Heating and air conditioning ductwork fabrication
- Metal roofing and siding production
- Architectural and decorative sheet metal work
- Metal gutters, downspouts, and trim fabrication
- Structural sheet metal components for building systems
- Custom sheet metal fabrication services
- Metal flashing and weatherproofing products
- Industrial sheet metal equipment enclosures
- Specialized metal products produced to customer specifications
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Subsector | Fabricated Metal Product Manufacturing | 332 |
| Industry Group | Architectural and Structural Metals Manufacturing | 3323 |
| NAICS Industry | Ornamental and Architectural Metal Products Manufacturing | 33232 |
| National Industry | Sheet Metal Work Manufacturing | 332322 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 332321 | Metal Window and Door Manufacturing | Metal Window and Door Manufacturing comprises establishments engaged in manufacturing metal-framed windows and doors, representing closely related architectural metal product fabrication that often uses similar equipment and techniques as sheet metal work. |
| 332323 | Ornamental and Architectural Metal Work Manufacturing | Ornamental and Architectural Metal Work Manufacturing includes establishments manufacturing ornamental railings, staircases, and decorative metal components using sheet metal fabrication processes comparable to NAICS 332322. |
| 332312 | Fabricated Structural Metal Manufacturing | Fabricated Structural Metal Manufacturing comprises establishments engaged in manufacturing structural metal products including bar joists and fabricated assemblies that compete for similar construction applications as sheet metal products. |
| 332311 | Prefabricated Metal Building and Component Manufacturing | Prefabricated Metal Building and Component Manufacturing produces complete metal building systems incorporating sheet metal panels, siding, and roofing components as part of integrated building packages. |
| 332613 | Spring Manufacturing | Spring Manufacturing comprises establishments engaged in manufacturing springs from purchased wire and strip, using metal bending and forming processes similar to sheet metal work operations. |
| 332431 | Metal Can Manufacturing | Metal Can Manufacturing uses sheet metal production techniques and equipment similar to those used in sheet metal work manufacturing, though focused on container products rather than construction components. |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | California | 12.5% | 575 |
| 2 | Texas | 8.2% | 378 |
| 3 | Florida | 5.2% | 239 |
| 4 | New York | 5.0% | 229 |
| 5 | Pennsylvania | 4.7% | 216 |
| 6 | Ohio | 4.2% | 192 |
| 7 | Illinois | 3.7% | 170 |
| 8 | Michigan | 3.7% | 169 |
| 9 | Georgia | 3.5% | 161 |
| 10 | North Carolina | 3.0% | 137 |
% Of Establishments
0%
12%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
296
Total SBA Loans
$155.3M
Total Loan Volume
$525K
Average Loan Size
10 yrs
Average Loan Term
10.23%
Average Interest Rate
2,728
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: Sheet Metal Work Manufacturing (NAICS 332322) qualifies for SBA small business programs[8] with a size standard of 500 employees. Eligible small businesses can access SBA 7(a) loans[9] for working capital, equipment, and facility expansion. The SBA 504 loan program[10] provides long-term fixed-rate financing for major fixed assets through Certified Development Companies.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | Newtek Bank, National Association | 104 | $47.0M | $452K |
| 2 | Primary Bank | 16 | $30.2M | $1.9M |
| 3 | FWBank | 16 | $29.4M | $1.8M |
| 4 | The Huntington National Bank | 16 | $14.1M | $882K |
| 5 | Zions Bank, A Division of | 24 | $12.7M | $529K |
Frequently Asked Questions
Common questions about this industry.
What types of businesses are classified under NAICS 332322?
NAICS 332322 includes sheet metal fabrication shops, HVAC ductwork manufacturers, metal siding and roofing producers, and custom metal fabrication contractors Census Bureau NAICS 332322[5]. Businesses must be primarily engaged in manufacturing sheet metal products (excluding metal stampings) to qualify for this classification.
What is the industry structure for Sheet Metal Work Manufacturing?
The sheet metal work manufacturing industry comprises small to mid-sized establishments scattered across the United States, with no single dominant manufacturer. Per Bureau of Labor Statistics[6], fabricated metals ranks among the largest manufacturing sectors by employment. Most firms operate as competitive job shops ranging from HVAC duct fabricators to specialized architectural metalwork producers.
What is the SBA size standard for NAICS 332322?
The SBA size standard for NAICS 332322 is 500 employees[11]. Businesses with 500 or fewer full-time or part-time employees are considered small businesses and qualify for SBA programs and federal small business contracting set-asides.
What NAICS codes are related to Sheet Metal Work Manufacturing?
Related 2022 NAICS codes include 332321 (Metal Window and Door Manufacturing), 332323 (Ornamental and Architectural Metal Work Manufacturing), 332312 (Fabricated Structural Metal Manufacturing), and 332311 (Prefabricated Metal Building Manufacturing). These codes share similar manufacturing processes, equipment, and construction-related applications.
What industries purchase products from Sheet Metal Work Manufacturing?
Primary customer industries include HVAC equipment manufacturers (NAICS 333415), commercial building construction firms (NAICS 236220), residential remodelers (NAICS 236118), and plumbing and heating supply wholesalers (NAICS 423720) Bureau of Labor Statistics[6].
What manufacturing activities are included in NAICS 332322?
Activities include cutting sheet metal using shears and dies, bending and forming using press brakes and roll-forming machines, welding components, creating lock seams and joints in ductwork, fabricating metal roofing and siding systems, and assembling finished products Census Bureau[5]. Products range from HVAC components to decorative architectural metalwork.
Are Sheet Metal Work Manufacturers eligible for SBA loans?
Where is Sheet Metal Work Manufacturing geographically concentrated in the United States?
Sheet metal manufacturing operations are distributed across the United States with concentrations in industrial regions. States with strong manufacturing employment include California, Texas, Indiana, Ohio, Pennsylvania, and Illinois, reflecting proximity to major construction markets Bureau of Labor Statistics[12].
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]U.S. Census Bureau census.gov
- [6]Bureau of Labor Statistics data bls.gov
- [7]SBA sba.gov
- [8]SBA small business programs sba.gov
- [9]SBA 7(a) loans sba.gov
- [10]SBA 504 loan program sba.gov
- [11]SBA size standard for NAICS 332322 is 500 employees sba.gov
- [12]Bureau of Labor Statistics bls.gov
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