NAICS 423510 Quarterly Industry Report
Metal Service Centers and Other Metal Merchant Wholesalers
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 423510Sector: Wholesale Trade (42)Updated: Q1 2026
About This Report
This Fair Market Value industry report for NAICS 423510 integrates data from the U.S. Census Bureau[5] economic surveys, Bureau of Labor Statistics[6] employment data, and SBA size standard publications[7]. Our research team tracks metal commodity pricing, service center shipment volumes, and manufacturing activity indicators to provide valuation context for metal wholesale and service center operations. Updated quarterly, each data point is traced to its originating government or institutional source.
Industry Snapshot
Key metrics for the metal service centers and other metal merchant wholesalers industry.
Industry Definition & Overview
Metal Service Centers and Other Metal Merchant Wholesalers (NAICS 423510) encompasses establishments primarily engaged in the merchant wholesale distribution of products of the primary metals industries, including steel, aluminum, copper, brass, and other metals in various forms such as sheets, plates, bars, tubing, pipes, and structural shapes. Service centers maintain inventory and perform value-added processing services like sawing, shearing, bending, leveling, cleaning, and edging as part of sales transactions.
The metal service center model differs from traditional wholesale distribution because of its heavy emphasis on first-stage metal processing. Manufacturers and fabricators purchase metals in specific sizes, gauges, and quantities that service centers cut and prepare from mill-direct inventory. According to the U.S. Census Bureau[5], this industry includes both broad-line service centers carrying multiple metal types and specialty distributors focused on specific metals like stainless steel, aluminum, or copper alloys.
Metal pricing volatility creates significant inventory risk management challenges. Service centers must balance the need to maintain ready-to-ship inventory against the risk of price declines that erode margins on existing stock. Many operations hedge commodity exposure through forward contracts and just-in-time ordering arrangements with mills. Geographic proximity to customer fabrication shops matters because metal is heavy and costly to transport, creating regional market dynamics that favor local service centers over distant competitors.
What's Included in This Industry
- Steel sheet and plate wholesale distribution
- Aluminum bar, sheet, and extrusion wholesale operations
- Copper and brass wholesale distribution
- Stainless steel wholesale operations
- Structural steel shape wholesale distribution
- Metal tubing and pipe wholesale operations
- Metal flat-rolling and coil distribution
- Custom metal cutting and processing services
- Specialty alloy wholesale distribution
- Metal wire and wire products wholesale operations
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Sector | Wholesale Trade | 42 |
| Subsector | Merchant Wholesalers, Durable Goods | 423 |
| Industry Group | Metal and Mineral (except Petroleum) Merchant Wholesalers | 4235 |
| NAICS Industry | Metal Service Centers and Other Metal Merchant Wholesalers | 42351 |
| National Industry | Metal Service Centers and Other Metal Merchant Wholesalers | 423510 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 423520 | Coal and Other Mineral and Ore Merchant Wholesalers | Coal and other mineral and ore merchant wholesalers distribute raw mineral commodities rather than the processed metal products and shapes covered here |
| 331110 | Iron and Steel Mills and Ferroalloy Manufacturing | Iron and steel mills and ferroalloy manufacturing produces the primary steel products that flow through service center distribution to fabricators and manufacturers |
| 331313 | Alumina Refining and Primary Aluminum Production | Alumina refining and primary aluminum production supplies the raw aluminum that service centers process and distribute to manufacturing customers |
| 331420 | Copper Rolling, Drawing, Extruding, and Alloying | Copper rolling, drawing, extruding, and alloying produces copper and brass mill products distributed through metal service center channels |
| 331491 | Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding | Nonferrous metal rolling, drawing, and extruding produces specialty metal shapes and forms distributed through service center wholesale networks |
| 332322 | Sheet Metal Work Manufacturing | Sheet metal work manufacturing is a primary customer segment that purchases metal sheets, plates, and coils from service centers for fabrication projects |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | Texas | 12.5% | 1,078 |
| 2 | California | 11.6% | 1,003 |
| 3 | Illinois | 5.7% | 495 |
| 4 | Florida | 5.6% | 481 |
| 5 | Ohio | 5.4% | 465 |
| 6 | New York | 4.9% | 419 |
| 7 | Pennsylvania | 4.2% | 362 |
| 8 | Michigan | 3.4% | 292 |
| 9 | Georgia | 3.0% | 256 |
| 10 | North Carolina | 2.9% | 252 |
% Of Establishments
0%
12%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
280
Total SBA Loans
$210.2M
Total Loan Volume
$751K
Average Loan Size
12 yrs
Average Loan Term
10.14%
Average Interest Rate
2,160
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: The SBA[7] classifies Metal Service Centers and Other Metal Merchant Wholesalers under NAICS 423510 with a size standard of 100 employees. Many regional and local service centers operate with focused processing and delivery teams below this ceiling. Qualifying firms can access SBA lending programs[8] for processing equipment acquisition, warehouse expansion, inventory financing, and working capital to manage the cash flow demands created by volatile metal commodity pricing. Eligible businesses can access SBA 7(a) loans[9] for working capital, equipment, and acquisition financing, while 504 loans[10] support major fixed-asset purchases including real estate and heavy machinery.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | Wells Fargo Bank National Association | 16 | $46.4M | $2.9M |
| 2 | Century Bank | 8 | $29.3M | $3.7M |
| 3 | b1BANK | 8 | $24.0M | $3.0M |
| 4 | Open Bank | 8 | $18.0M | $2.3M |
| 5 | United Midwest Savings Bank National Association | 16 | $13.4M | $836K |
Frequently Asked Questions
Common questions about this industry.
What types of businesses are classified under NAICS 423510?
NAICS 423510 covers metal service centers and merchant wholesalers distributing steel, aluminum, copper, brass, stainless steel, and other metals in sheets, plates, bars, tubes, pipes, and structural shapes. Many also provide processing services like cutting, shearing, and bending. Per the U.S. Census Bureau[5], service centers maintain inventory and perform custom processing as part of sales transactions.
How is NAICS 423510 structured within the classification system?
This code belongs to Industry Group 4235 (Metal and Mineral (except Petroleum) Merchant Wholesalers), Subsector 423 (Merchant Wholesalers, Durable Goods), and Sector 42 (Wholesale Trade). It shares Industry Group 4235 with 423520 (Coal and Other Mineral and Ore Merchant Wholesalers).
What is the SBA size standard for NAICS 423510?
The SBA[7] sets the size standard at 100 employees for Metal Service Centers and Other Metal Merchant Wholesalers. Businesses below this threshold qualify as small businesses for federal contracting and SBA loan programs.
Which NAICS codes are most closely related to 423510?
Coal and mineral wholesalers (423520) distribute raw commodities in the same industry group. Steel mills (331110) and aluminum producers (331313) supply primary metals. Sheet metal fabricators (332322) are major customers. Per Census Bureau NAICS references[11], the value-added processing services distinguish service centers from simple commodity wholesaling.
What industries interact most with metal service centers?
Structural metal fabricators (332312) purchase steel shapes and plates. Sheet metal shops (332322) buy flat-rolled products. Metal stamping operations (332119) source coil and sheet stock. Per Bureau of Labor Statistics[6] data, manufacturing employment levels and industrial production indices strongly correlate with metal service center shipment volumes.
What specific activities are included in NAICS 423510?
Activities include distributing steel, aluminum, copper, and specialty metals in various forms, plus performing custom sawing, shearing, bending, slitting, leveling, cleaning, and edge conditioning. Many service centers also provide plasma cutting, waterjet cutting, and heat treating services. Per Census Bureau definitions[5], these processing activities are performed as part of wholesale sales transactions.
Can metal service centers access SBA loans?
Yes. Service centers with fewer than 100 employees qualify for SBA loan programs[8] including 7(a) loans for inventory financing and working capital, 504 loans for processing equipment and warehouse facilities, and microloans for smaller capital investments. Commodity price volatility makes working capital financing especially important for managing inventory carrying costs.
Where are metal service centers concentrated in the United States?
Service centers cluster near manufacturing hubs and primary metals production facilities. The Midwest industrial belt from Ohio through Illinois and Michigan supports the highest concentration of steel service centers. Texas, California, and the Southeast host significant operations serving regional manufacturing demand. Proximity to customer fabrication shops is critical, as heavy metal shipments benefit from short delivery distances.
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 bls.gov
- [7]SBA size standard publications sba.gov
- [8]SBA lending programs sba.gov
- [9]SBA 7(a) loans sba.gov
- [10]504 loans sba.gov
- [11]Census Bureau NAICS references census.gov
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