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NAICS Code· 238120

NAICS 238120: Structural Steel and Precast Concrete Contractors

This industry comprises establishments primarily engaged in (1) erecting and assembling structural parts made from steel or precast concrete (e.g., steel beams, structural steel components, and similar products of precast concrete) and/or (2) assembling and installing other steel construction products (e.g., steel rods, bars, rebar, mesh, and cages) to reinforce poured-in-place concrete. The work performed may include new work, additions, alterations, maintenance, and repairs. Illustrative Examples: Concrete product (e.g., structural precast, structural prestressed) installation Rebar contractors Erecting structural steel Reinforcing steel contractors Placing and tying reinforcing rod at a construction site Structural steel contractors Precast concrete panel, slab, or form installation Cross-References. Establishments primarily engaged in--Show more

NAICS 238120 – Structural Steel and Precast Concrete Contractors encompasses specialized construction services involving the fabrication, installation, and erection of structural steel frameworks and precast concrete components for federal facilities. This includes load-bearing beams, columns, trusses, bridge elements, and factory-molded concrete panels used in barracks, medical centers, logistics hubs, and infrastructure projects.

413
Active Contracts
$13.4M
Total Obligations (12mo)
45
Awarded Contracts (12mo)
24
Contractors Awarded (12mo)
2
Median Bidders per Award
-40.4%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 238120.

AI Industry Description

NAICS 238120 – Structural Steel and Precast Concrete Contractors encompasses specialized construction services involving the fabrication, installation, and erection of structural steel frameworks and precast concrete components for federal facilities. This includes load-bearing beams, columns, truss...

NAICS 238120 – Structural Steel and Precast Concrete Contractors encompasses specialized construction services involving the fabrication, installation, and erection of structural steel frameworks and precast concrete components for federal facilities. This includes load-bearing beams, columns, trusses, bridge elements, and factory-molded concrete panels used in barracks, medical centers, logistics hubs, and infrastructure projects. Contractors in this sector must comply with stringent engineering specifications, ASTM and AISC standards, and rigorous quality control protocols for seismic resilience and long-term durability. As a critical enabler of mission-critical construction, this NAICS supports the foundational phases of federal building programs, often integrated into larger design-build or construction-manager-at-risk contracts. Top contractors in this space include ASPEN CONSTRUCTION COMPANY and AAECON GENERAL CONTRACTING LLC, both of which operate as mid-to-large primes with in-house fabrication capabilities and field erection teams experienced in high-security and remote-site deployments. These firms typically hold specialized certifications for structural welding, crane operations, and OSHA-compliant rigging, and often partner with subcontractors for specialized concrete pouring or corrosion protection services. The Department of Defense and the Department of Veterans Affairs are the primary federal buyers, driving demand through military base modernization, VA hospital expansions, and veteran housing initiatives. These agencies prioritize rapid construction timelines and modular design solutions, making precast concrete and standardized steel systems essential to meeting mission deadlines while maintaining structural integrity under harsh environmental conditions. The competitive landscape is concentrated among firms with proven experience in federal construction compliance, including FAR and DFARS adherence, security clearance readiness, and ability to navigate complex logistics for oversized component delivery. Opportunities remain strong for contractors with expertise in sustainable precast systems, bolted steel connections, and rapid-deployment structural solutions aligned with DoD’s resilience and sustainability mandates.

Top Contractors

Companies with the highest total award value under NAICS 238120, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
CDM CONSTRUCTORS INC.$7.0M2
AHTNA BUILDERS, LLC$2.4M1
AREAKA TRADING & LOGISTICS COMPANY$1.1M19
SINGHATHAI SUPPLY COMPANY LIMITED$492K1
CONSTRUCTION SOLUTIONS GROUP, LLC$481K1
GALE CONSTRUCTION COMPANY OF ILLINOIS$381K1
PRIME VERITAS GENERAL TRADING & CONTRACTING$298K1
PREMIER GLOBAL PRODUCTION COMPANY INC$269K1
SYCAMORE CONSTRUCTION CONSULTANTS LLC$229K1
JUNGERS RESOURCES LLC$183K1

Top Agencies

Federal agencies directing the most contract spending toward NAICS 238120.

Department Of Defense31 awards$9.1M
Department Of Transportation2 awards$2.5M
W07V Endist St Paul1 award$481K
Department Of Agriculture1 award$381K
Department Of The Interior4 awards$337K
General Services Administration1 award$269K
Lewis & Clark National Forest1 award$183K
Department Of Homeland Security2 awards$67K
Department Of State2 awards$55K

Competition

How many companies historically bid on federal awards in NAICS 238120, from bidder counts reported on USAspending.

Fewer Bidders

Median under 3 bidders per reported award. · 2,824 reported awards

Median Bidders

2

Per reported award, all-time

Single-Bid Awards

39%

Share of reported awards with one bidder

10+ Bidder Awards

5%

Share of reported awards with 10+ bidders

Reported Awards

0

94% of 2,995 total awards

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
238120This Code
Structural Steel and Precast Concrete Contractors
Fewer Bidders239%
2,82494% of 2,995
23812NAICS Industry
Fewer Bidders239%
2,82494% of 2,995
2381Industry Group
Foundation, Structure, and Building Exterior Contractors
Moderate Competition336%
63,66991% of 69,734
238Subsector
Fewer Bidders245%
452,41090% of 504,911
23Sector
Construction
Fewer Bidders240%
1,131,28289% of 1,273,592

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 Structural Steel and Precast Concrete Contractors, by shared sector, subsector, and industry group.

Poured Concrete Foundation and Structure Contractors

This industry comprises establishments primarily engaged in pouring and finishing concrete foundatio...
238110Same Industry GroupHigh Similarity

Framing Contractors

This industry comprises establishments primarily engaged in structural framing and sheathing using m...
238130Same Industry GroupHigh Similarity

Masonry Contractors

This industry comprises establishments primarily engaged in masonry work, stone setting, bricklaying...
238140Same Industry GroupHigh Similarity

Glass and Glazing Contractors

This industry comprises establishments primarily engaged in installing glass panes in prepared openi...
238150Same Industry GroupHigh Similarity

Roofing Contractors

This industry comprises establishments primarily engaged in roofing. This industry also includes es...
238160Same Industry GroupHigh Similarity

Siding Contractors

This industry comprises establishments primarily engaged in installing siding of wood, aluminum, vin...
238170Same Industry GroupHigh Similarity

Other Foundation, Structure, and Building Exterior Contractors

This industry comprises establishments primarily engaged in building foundation and structure trades...
238190Same Industry GroupHigh Similarity

Electrical Contractors and Other Wiring Installation Contractors

This industry comprises establishments primarily engaged in installing and servicing electrical wiri...
238210Same SubsectorMedium Similarity

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NAICS 238120 FAQ

Frequently Asked Questions

NAICS code 238120 covers Structural Steel and Precast Concrete Contractors. This industry comprises establishments primarily engaged in (1) erecting and assembling structural parts made from steel or precast concrete (e.g., steel beams, structural steel components, and similar products of precast concrete) and/or (2) assembling and installing other steel construction products (e.g., steel rods, bars, rebar, mesh, and cages) to reinforce poured-in-place concrete. The work performed may include new work, additions, alterations, maintenance, and repairs. Illustrative Examples: Concrete product (e.g., structural precast, structural prestressed) installation Rebar contractors Erecting structural steel Reinforcing steel contractors Placing and tying reinforcing rod at a construction site Structural steel contractors Precast concrete panel, slab, or form installation Cross-References. Establishments primarily engaged in--

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NAICS: 238120
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Asphalt Paving – Base and Wearing CoursesThis contract entails the supply and placement of asphalt base and wearing courses for a paving project in Clay, West Virginia, encompassing full scope services from mix design to final joint finishing, including laydown and compaction. All work must comply with technical specifications for material quality, application methods, and surface performance, ensuring durability and adherence to state transportation standards. The scope requires precise execution of both the foundational base layer and the top wearing surface to meet intended traffic load and environmental conditions. The contract is classified as a subcontract under NAICS code 238120 and is issued by the West Virginia Department of Transportation through its West Virginia office. The solicitation was posted on September 15, 2026, with a response deadline also set for the same date, indicating a simultaneous posting and closing process, possibly for an emergency or immediate need. Proposals must be submitted via the provided UI link, and performance is limited to the designated location in Clay, with no additional geographic flexibility. No set-aside provisions or organizational type requirements are specified, leaving the bidding open to qualified subcontractors meeting the technical and logistical demands of the project.
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NAICS: 238120
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Paving and Asphalt InstallationThe contract involves the placement of hot mix asphalt layers for roadway construction, encompassing both base and surface courses, to be performed in Lincoln, West Virginia. It is structured as a subcontract under the NAICS code 238120, which corresponds to paving and asphalt work, and is issued by the West Virginia Department of Transportation. The solicitation was posted and has the same deadline of September 15, 2026, indicating a closed or non-competitive process, possibly due to prior arrangement or emergency procurement. The place of performance is specifically limited to the city of Lincoln, with no additional details provided on the exact roadway segments or project scope beyond the asphalt application. The contract lacks information on the awarding office address or point of contact, and no set-aside provisions or organization type are specified, suggesting it may be open to qualified subcontractors without preferential treatment. The official interface link provided allows access to proposal details through the West Virginia DOT’s bidding portal.
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