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NAICS Code· 423510

NAICS 423510: Metal Service Centers and Other Metal Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of products of the primary metals industries. Service centers maintain inventory and may perform functions, such as sawing, shearing, bending, leveling, cleaning, or edging, on a custom basis as part of sales transactions. Illustrative Examples: Cast iron pipe merchant wholesalers Metal rods merchant wholesalers Metal bars (except precious) merchant wholesalers Metal sheets merchant wholesalers Metal spikes merchant wholesalers Metal ingots (except precious) merchant wholesalers Metal pipe merchant wholesalers Nails merchant wholesalers Metal plates merchant wholesalers Noninsulated wire merchant wholesalers Cross-References. Establishments primarily engaged in--Show more

NAICS 423510 – Metal Service Centers and Other Metal Merchant Wholesalers encompasses the distribution and value-added processing of industrial metals, including cutting, slitting, shearing, leveling, and coiling of steel, aluminum, stainless steel, and specialty alloys. These wholesalers serve as critical supply chain intermediaries, providing just-in-time delivery of raw and semi-finished metal products to manufacturers, fabricators, and defense contractors.

76
Active Contracts
$407K
Total Obligations (12mo)
5
Awarded Contracts (12mo)
5
Contractors Awarded (12mo)
2
Median Bidders per Award
-36.4%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 423510.

AI Industry Description

NAICS 423510 – Metal Service Centers and Other Metal Merchant Wholesalers encompasses the distribution and value-added processing of industrial metals, including cutting, slitting, shearing, leveling, and coiling of steel, aluminum, stainless steel, and specialty alloys. These wholesalers serve as c...

NAICS 423510 – Metal Service Centers and Other Metal Merchant Wholesalers encompasses the distribution and value-added processing of industrial metals, including cutting, slitting, shearing, leveling, and coiling of steel, aluminum, stainless steel, and specialty alloys. These wholesalers serve as critical supply chain intermediaries, providing just-in-time delivery of raw and semi-finished metal products to manufacturers, fabricators, and defense contractors. In government contracting, this NAICS supports the procurement of precision-engineered metal components for aerospace, vehicle platforms, naval systems, and infrastructure projects, where material integrity, traceability, and compliance with MIL-SPEC and ASTM standards are essential. The sector bridges raw material suppliers and end-use manufacturers, enabling efficient inventory management and reducing lead times for mission-critical applications. The leading contractor in this space is EVERSTONE INDUSTRIES LLC, a specialized metal service center that delivers certified metal products and value-added processing services to federal agencies. As a small business with deep expertise in alloy selection and material certification, EVERSTONE exemplifies the niche but vital role of specialized distributors in the defense supply chain. The competitive landscape is dominated by mid-sized, vertically integrated wholesalers with strong logistics capabilities and metallurgical certification, rather than large prime contractors. The Department of Defense is the primary federal buyer, sourcing metals for shipbuilding, armored vehicle fabrication, munitions production, and maintenance of military equipment. Demand is driven by modernization initiatives, sustainment programs, and readiness requirements across the Army, Navy, and Air Force. Procurement is often tied to specific technical specifications and material traceability mandates. The market is characterized by high barriers to entry due to certification requirements, inventory capitalization, and logistics complexity, creating concentrated opportunities for qualified distributors with established compliance frameworks. Contractors with expertise in aerospace-grade alloys, heat treatment documentation, and Just-In-Time delivery models are best positioned to compete in this specialized segment.

Small Business Size Standard

The SBA threshold that decides who can bid NAICS 423510 work as a small business.

200 employees
Applies to the whole industry code

The SBA cap for this NAICS (13 CFR 121.201). A business at or under it can self-certify as small for work in this code, which is what makes it eligible for a small-business set-aside. The cap is set per NAICS, so the same company can be small in one code and not in another.

13 CFR 121.201, effective January 1, 2026. The SBA revises the table roughly once a year.

Top Contractors

Companies with the highest total award value under NAICS 423510, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
GNAP, LLC$185K1
GFG SUPPLY INC$175K1
JOSEPH T. RYERSON & SON, INC.$24K1
METAL MARIETTA CORP$17K1
ALBRIGHT STEEL & WIRE CO$7K1

Top Agencies

Federal agencies directing the most contract spending toward NAICS 423510.

Department Of Defense2 awards$209K
Department Of Homeland Security1 award$175K
Department Of Justice2 awards$24K

Competition

How many companies historically bid on federal awards in NAICS 423510, from bidder counts reported on USAspending.

Fewer Bidders

Median under 3 bidders per reported award. · 9,449 reported awards

Median Bidders

2

Per reported award, all-time

Single-Bid Awards

34%

Share of reported awards with one bidder

10+ Bidder Awards

2%

Share of reported awards with 10+ bidders

Reported Awards

9,449

93% of 10,118 total awards

Bidder Count Distribution by Fiscal Year

Share of reported awards in each bidder-count bracket per federal fiscal year.

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
423510This Code
Metal Service Centers and Other Metal Merchant Wholesalers
Fewer Bidders234%
9,44993% of 10,118
42351NAICS Industry
Fewer Bidders234%
9,44993% of 10,118
4235Industry Group
Metal and Mineral (except Petroleum) Merchant Wholesalers
Fewer Bidders234%
10,02493% of 10,729
423Subsector
Fewer Bidders224%
4,646,33738% of 12,317,116
42Sector
Wholesale Trade
Moderate Competition318%
7,852,24141% of 19,092,105

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS Codes

Industries similar to Metal Service Centers and Other Metal Merchant Wholesalers, by shared sector, subsector, and industry group.

Coal and Other Mineral and Ore Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of c...
423520Same Industry GroupHigh Similarity

Automobile and Other Motor Vehicle Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of n...
423110Same SubsectorMedium Similarity

Motor Vehicle Supplies and New Parts Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of m...
423120Same SubsectorMedium Similarity

Tire and Tube Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of n...
423130Same SubsectorMedium Similarity

Motor Vehicle Parts (Used) Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of u...
423140Same SubsectorMedium Similarity

Furniture Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of f...
423210Same SubsectorMedium Similarity

Home Furnishing Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of h...
423220Same SubsectorMedium Similarity

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of l...
423310Same SubsectorMedium Similarity

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NAICS 423510 FAQ

Frequently Asked Questions

NAICS code 423510 covers Metal Service Centers and Other Metal Merchant Wholesalers. This industry comprises establishments primarily engaged in the merchant wholesale distribution of products of the primary metals industries. Service centers maintain inventory and may perform functions, such as sawing, shearing, bending, leveling, cleaning, or edging, on a custom basis as part of sales transactions. Illustrative Examples: Cast iron pipe merchant wholesalers Metal rods merchant wholesalers Metal bars (except precious) merchant wholesalers Metal sheets merchant wholesalers Metal spikes merchant wholesalers Metal ingots (except precious) merchant wholesalers Metal pipe merchant wholesalers Nails merchant wholesalers Metal plates merchant wholesalers Noninsulated wire merchant wholesalers Cross-References. Establishments primarily engaged in--

Recently Posted in Metal Service Centers and Other Metal Merchant Wholesalers

NAICS: 423510
New
SLED
Specialized Material Supply (Steel & Concrete)This subcontract for Specialized Material Supply focuses on providing miscellaneous and reinforcement steel to prime contractors for Georgia Department of Transportation projects. The scope of work includes the delivery of certified materials to project sites, specifically carbon structural steel meeting ASTM A36 standards, zinc-coated steel pipe meeting ASTM A53 standards, and galvanized coatings for castings and forgings meeting ASTM A123 standards. The contract is associated with NAICS code 423510 and is designated for performance in Hart, Georgia. It is managed under the Georgia Department of Transportation and involves the supply of critical steel and concrete materials necessary for infrastructure development.
Georgia Department of Transportation

POSTED

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NAICS: 423510
New
SLED
Aggregate Supply (GABC)This subcontract agreement involves the supply and delivery of Graded Aggregate Base Course (GABC) for prime contractors working on Delaware Department of Transportation streetscape projects. The scope of work focuses on providing GABC materials specifically for base layers and patching operations, with performance centered in New Castle. A critical technical requirement of this contract is the integration of load read-out weighing systems with the DelDOT eTicketing Portal via API. This ensures streamlined material tracking and reporting. The project is categorized under NAICS code 423510 and is managed by the Delaware Department of Transportation.
Delaware Department of Transportation

POSTED

in about 7 hours

DEADLINE

in about 7 hours
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NAICS: 423510
Awarded
DIBBS
SHEET, METAL
Solicitation # SPE8E9-27-T-0104
Solicitation SPE8E9-27-T-0104 is a request for quotations issued by DLA Troop Support for the procurement of 17 sheets of corrosion-resistant steel (NSN 9515002318617). The material must be cold rolled, solution heat treated, and bright overall, with dimensions of 0.025 inches thick, 36 inches wide, and 120 inches long. Compliance with SAE AMS5517N and SAE AMS2807C is required. This is a critical application item, and eligibility for award is restricted to suppliers listed on the Qualified Suppliers List for Distributors (QSLD) for FSGs 95 and 96. The contract mandates strict quality and identification standards, including the provision of a Certificate of Quality Compliance with every shipment. Each unit must feature continuous identification markings, such as the DLA contract delivery order number, NSN, and manufacturer details, using approved stamping or stenciling methods. Packaging must adhere to MIL-STD-2073-1E, ASTM A700, and RP001, with specific requirements for corner and edge protection. Delivery is set for FOB Destination to the DLA Distribution Depot Oklahoma at Tinker AFB, with a need ship date of October 29, 2026, and a required delivery date of January 4, 2027. Inspection and acceptance will occur at the destination.
Defense Logistics Agency

POSTED

4 days ago

DEADLINE

N/A
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NAICS: 423510
Awarded
DIBBS
SHEET, METAL
Solicitation # SPE8E9-27-T-0110
Solicitation SPE8E9-27-T-0110 is a request for quotations issued by DLA Troop Support for the procurement of six titanium metal sheets. The required material specifications are 0.050 inches thick, 36 inches wide, and 96 inches long, with a reference weight of 28 lbs per sheet. The material must comply with SAE AMS4901V Revision V and is designated as a critical application item. Delivery is required by January 26, 2027, with a need ship date of March 28, 2027, to the DLA Distribution Depot Oklahoma at Tinker AFB. Eligibility for award is strictly limited to suppliers listed on the Qualified Suppliers List for Distributors (QSLD). The contract mandates rigorous quality and identification standards, including the provision of a Mill-Material Certification for every shipment. Each unit must feature continuous identification markings, such as the DLA contract delivery order number, NSN, and manufacturer details, using approved stamping or stenciling methods. Packaging must adhere to MIL-STD-2073-1E and ASTM A700, requiring robust four-corner and edge protection. Inspection and acceptance will occur at the destination.
Defense Logistics Agency

POSTED

4 days ago

DEADLINE

N/A
View Details
NAICS: 423510
Awarded
DIBBS
SHEET, METAL
Solicitation # SPE8E9-27-T-0115
Solicitation SPE8E9-27-T-0115 is a request for quotations issued by DLA Troop Support for the procurement of 14 sheets of corrosion-resistant alloy 301 steel. The material must be solution heat treated and descaled, with dimensions of 0.125 inches thick, 36 inches wide, and 72 inches long. This is designated as a critical application item and must be supplied in whole feet lengths only. Eligibility for award is strictly limited to suppliers listed on the Qualified Suppliers List for Distributors (QSLD) for FSGs 95 and 96. The contract mandates rigorous quality and identification standards, including the submission of a Certificate of Quality Compliance with every shipment. Continuous identification markings, such as the DLA contract delivery order number, NSN, and manufacturer details, must be applied via stamping or stenciling; failure to comply with these marking requirements is grounds for rejection. Packaging must adhere to MIL-STD-2073-1E and ASTM A700, featuring robust four-corner and full-coverage edge protection. Delivery is set for FOB Origin with a required delivery date of December 17, 2026, and a need ship date of March 28, 2027, to DLA Distribution Warner Robins. All payment requests and receiving reports must be processed through Wide Area Workflow.
Defense Logistics Agency

POSTED

4 days ago

DEADLINE

N/A
View Details
NAICS: 423510
Awarded
DIBBS
SHEET, METAL
Solicitation # SPE8E4-26-T-2342
Solicitation SPE8E4-26-T-2342 is a request for quotations issued by the Defense Logistics Agency Troop Support for one aluminum alloy metal sheet. The required material is Alloy 5052 Temper H32 with exact dimensions of 0.125 inches thick, 36.00 inches wide, and 96.00 inches long. This is designated as a critical application item, and the government will not accept test coupons or sheets that deviate from the specified dimensions. Delivery is required within five days after order to the Fleet Readiness Center Southeast in Jacksonville, Florida, with inspection and acceptance occurring at the destination. Eligibility for award is strictly limited to suppliers listed on the Qualified Suppliers List for Distributors (QSLD). The contractor must provide a Certificate of Quality Compliance (Mill-Material Certification) and adhere to strict marking requirements using stamping or stenciling, including the contract delivery order number, NSN, and manufacturer details. Packaging and preservation must comply with ASTM B660 and MIL-STD-129. The procurement incorporates various FAR and DFARS clauses, including a price evaluation preference for certified HUBZone small businesses and strict adherence to the Buy American Act and Berry Amendment. All quotes must be submitted via the DIBBS system.
Defense Logistics Agency

POSTED

4 days ago

DEADLINE

N/A
View Details
NAICS: 423510
Awarded
DIBBS
BAR, METAL
Solicitation # SPE8E4-26-T-2057
Solicitation SPE8E4-26-T-2057 is a Request for Quotations issued by DLA Troop Support Construction and Equipment for the procurement of 110 feet of flat metal bar, specifically Steel Comp 1018/1020. The material must be 0.250 inches thick and 4.000 inches wide, with lengths provided in whole feet between 8 and 12 feet. The requirement specifies a reference weight of 3.400 lb/ft and mandates that the product be delivered FOB Origin to DLA Distribution Red River in Texarkana, Texas. Delivery is required within 164 days after order, with an original required delivery date of December 9, 2026, and a need ship date of February 1, 2027. The contract imposes strict quality and eligibility requirements, stating that only suppliers listed on the Qualified Suppliers List for Distributors (QSLD) are eligible for award. Technical compliance is governed by ASTM A108, ASTM A29/A29M-20, and ASTM A700, with mandatory Metal Certification CDRLs and a Certificate of Quality Compliance required for every shipment. Packaging and marking must adhere to MIL-STD-129 and MIL-STD-2073-1E, including specific continuous identification markings such as the contract delivery order number, NSN, and heat/lot numbers. Inspection and acceptance will occur at the destination. The procurement also incorporates the Buy American and Balance of Payments Program and requires the use of Wide Area Workflow (WAWF) for invoicing and payment.
Defense Logistics Agency

POSTED

4 days ago

DEADLINE

N/A
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NAICS: 423510
Awarded
DIBBS
BAR, METAL
Solicitation # SPE8E4-26-T-2219
Solicitation SPE8E4-26-T-2219 is a fixed-price request for quotations issued by DLA Troop Support for the procurement of 832 feet of round, cold-finish aluminum alloy 6061 T-651 metal bars. The specified material must have a 1.000 inch diameter and be supplied in whole-foot lengths between 10 and 12 feet. The procurement is governed by several technical standards, including SAE AMS4117M, ASTM B666/B666M-20, and ASTM B660-23. A critical requirement for this award is that only suppliers listed on the Qualified Suppliers List for Distributors (QSLD) are eligible, though approved QSLD suppliers receive a waiver for source inspection. The contract mandates strict quality and delivery protocols, including the submission of a Mill-Material Certification with every shipment. Packaging and preservation must adhere to ASTM B660, and marking must comply with MIL-STD-129, with specific requirements for legible, waterproof markings and adhesive labels for items under 0.250 inches. Delivery is set for FOB Origin with a need ship date of September 2, 2026, and a final required delivery date of August 21, 2027, to DLA Distribution Warner Robins. Evaluation factors include a price preference for certified HUBZone small businesses, while offers utilizing additive manufacturing are ineligible for award. Compliance with the Buy American Act and the Berry Amendment is required for all quotes above the micro-purchase threshold.
Defense Logistics Agency

POSTED

4 days ago

DEADLINE

N/A
View Details
NAICS: 423510
Awarded
DIBBS
BAR, METAL
Solicitation # SPE8E4-26-T-2302
This solicitation, issued by the Defense Logistics Agency (DLA) Troop Support Construction & Equipment, is a request for quotations for annealed, hot-finish round steel metal bars. The required material must have a 1.000-inch diameter and lengths ranging from 10 to 20 feet, supplied in whole-foot increments only. Technical specifications require a maximum carbon content of 0.35%, a minimum tensile strength of 60,000 PSI, a minimum yield point of 30,000 PSI, and specific elongation and cold bend properties. A Certificate of Quality Compliance (Mill-Material Certification) must accompany every shipment and be forwarded to the DLA Troop Support Contracting Officer. Eligibility for award is strictly limited to suppliers listed on the Qualified Suppliers List for Distributors (QSLD) for Federal Supply Groups 95 and 96. The contract includes rigorous packaging and marking requirements, mandating compliance with MIL-STD-129 and MIL-STD-2073-1E, with continuous identification markings such as the contract number, NSN, and manufacturer details. Packaging must follow DLA requirements and ASTM A700 standards. Evaluation factors include price, with a preference for HUBZone small business concerns, though offers involving additive manufacturing are explicitly prohibited from consideration. The delivery is FOB Origin to Schofield Barracks, HI, with destination inspection and acceptance.
Defense Logistics Agency

POSTED

4 days ago

DEADLINE

N/A
View Details
NAICS: 423510
Awarded
DIBBS
BAR, METAL
Solicitation # SPE8E9-27-T-0117
Solicitation SPE8E9-27-T-0117 is a request for quotations issued by DLA Troop Support for the procurement of 29 feet of aluminum alloy flat metal bar, identified by NSN 9530013553734. The material must be 1.625 inches thick, 6.000 inches wide, and supplied in whole foot lengths between 10 and 12 feet. This is a critical application item requiring compliance with multiple standards, including SAE AMS-QQ-A-200/3A, ASTM B660, and ASTM B666. Only suppliers listed on the Qualified Suppliers List for Distributors (QSLD) for FSGs 95 and 96 are eligible for award. Key requirements include the submission of a Certificate of Quality Compliance with every shipment and strict adherence to marking and packaging standards. Items must be identified with the contract delivery order number, NSN, specification number, grade, alloy, manufacturer name, heat and lot number, and dimensions using waterproof stamping or stenciling. Packaging must follow RP001 and ASTM B660 guidelines. Delivery is required FOB Destination to the DLA Distribution Depot Oklahoma at Tinker AFB, with an original required delivery date of December 23, 2026. Quotes must be submitted via DIBBS by October 16, 2026, and are subject to Buy American Act and HUBZone small business price evaluation preferences.
Defense Logistics Agency

POSTED

4 days ago

DEADLINE

N/A
View Details
NAICS: 423510
Awarded
DIBBS
ANGLE, STRUCTURAL
Solicitation # SPE8E4-26-T-2332
Solicitation SPE8E4-26-T-2332 is a request for quotations issued by the Defense Logistics Agency Troop Support for the procurement of structural angle made from aluminum alloy 2024 with T3511 temper. The material specifications require dimensions of 3.250 inches in height, 3.750 inches in width, and 0.250 inches in thickness, with lengths between 10 and 12 feet and a weight of 1.879 pounds per foot. This is a Foreign Military Sale requirement for the 7th Tactical Fighter Wing of the ROC Air Force in Taitung, Taiwan. The procurement is for one foot of material with a delivery requirement of five days after order, and both inspection and acceptance are designated at the point of origin. The contract mandates strict adherence to several technical and quality standards, including AMS-STD-184 for identification marking and MIL-STD-129 for general marking. Packaging and preservation must comply with MIL-STD-2073-1E and ASTM B660, with palletization following DLA requirement RP001. A critical eligibility requirement is the Qualified Suppliers List for Distributors (QSLD); only approved QSLD suppliers are eligible for award, and those utilizing the QSL program may receive waivers for certain source inspections. Additionally, the contractor must provide metal certification via DD Form 1423 and utilize the Wide Area WorkFlow system for electronic invoicing and payment requests. Compliance with the Buy American Act and the Berry Amendment is required, and a price evaluation preference is available for certified HUBZone small businesses.
Defense Logistics Agency

POSTED

4 days ago

DEADLINE

N/A
View Details
NAICS: 423510
Awarded
DIBBS
BAR, METAL
Solicitation # SPE8E4-26-T-2222
Solicitation SPE8E4-26-T-2222 is a request for quotations from DLA Troop Support Construction and Equipment for the procurement of 242 feet of cold drawn steel composite 1020 metal bar, identified by NSN 9510-00-554-9161. The material must be 0.500 inches across flats, supplied in whole feet lengths between 8 and 12 feet, with a reference weight of 0.850 lb/ft. This is a critical application item requiring compliance with ASTM A108, ASTM A29/A29M-20, and ASTM A700-14. Only suppliers listed on the Qualified Suppliers List for Distributors (QSLD) for FSGs 95 and 96 are eligible for award. The contract requires a Certificate of Quality Compliance (Mill-Material Certification) to be provided with every shipment and forwarded to the DLA Troop Support Contracting Officer. Strict marking and packaging requirements apply per MIL-STD-129 and ASTM A700, including waterproof stenciling and adhesive labels for items under 0.250 inches in nominal OD. Delivery is FOB Origin with inspection and acceptance occurring at the destination, specifically DLA Distribution Red River in Texarkana, Texas. The required delivery date is February 24, 2027, with a need ship date of July 21, 2026, and a delivery window of 66 days after receipt of order. A quantity variance of plus or minus 10 percent is permitted.
Defense Logistics Agency

POSTED

4 days ago

DEADLINE

N/A
View Details

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