NAICS Code 238120: Structural Steel and Precast Concrete Contractors
National industry
SBA small business size standard: $19 million in average annual receipts
Definition
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.
Code facts
- Part of
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23
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238
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2381
- 23812
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2381
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238
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23
- Contract awards
- 45 In the last 12 months
- Contract obligations
- $22,134,401 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 238120
- Balcony, precast concrete, installation
- Concrete product (e.g., structural precast, structural prestressed) installation
- Concrete reinforcement placement
- Curtain wall, precast concrete, installation
- Erecting structural steel
- Iron work, structural, contractors
- Placing and tying reinforcing rod at a construction site
- Precast concrete panel, slab, or form installation
- Prestressed concrete beam, slab or other component installation
- Rebar contractors
- Reinforcing rod, bar, mesh and cage installation
- Reinforcing steel contractors
- Stairway, precast concrete, installation
- Steel reinforcing contractors
- Structural steel erecting or iron work contractors
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $9,235,800 |
| FY2025 | $22,134,401 |
| FY2024 | $10,597,426 |
| FY2023 | $36,115,601 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Southeastern Industrial Construction, LLC | $3,340,504 | |
| 2 | Ahtna Builders, LLC | $2,387,416 | |
| 3 | Rockville Fuel & Feed Company, Incorporated | $1,856,075 | |
| 4 | Cavu Consulting LLC | $1,220,206 | |
| 5 | Areaka Trading & Logistics Company | $1,048,444 | |
| 6 | Singhathai Supply Company LIMITED | $491,519 | |
| 7 | Construction Solutions Group, LLC | $480,500 | |
| 8 | Scrimgeours Farm All, LLC | $342,521 | |
| 9 | Prime Veritas General Trading & Contracting | $298,000 | |
| 10 | Premier Global Production Company Inc. | $269,225 |
See the full FY2025 ranking of NAICS 238120 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $3,456,812 | |
| 2 | Department of the Army | $3,139,633 | |
| 3 | Department of Transportation | $2,492,016 | |
| 4 | Air Force | $1,357,944 | |
| 5 | Department of Veterans Affairs | $1,220,206 | |
| 6 | Department of the Interior | $814,830 | |
| 7 | General Services Administration | $269,225 | |
| 8 | Department of Agriculture | $263,729 | |
| 9 | Department of Homeland Security | $147,620 | |
| 10 | Department of State | $15,120 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Y1BZ Construction of Other Airfield Structures | $2,387,416 | |
| 2 | N093 Installation of Equipment: Nonmetallic Fabricated Materials | $1,856,075 | |
| 3 | 5680 Miscellaneous Construction Materials | $1,554,945 | |
| 4 | Z1DA Maintenance of Hospitals and Infirmaries | $1,220,206 | |
| 5 | Y1JZ Construction of Miscellaneous Buildings | $1,063,021 | |
| 6 | 5610 Mineral Construction Materials, Bulk | $655,279 | |
| 7 | Z1AZ Maintenance of Other Administrative Facilities and Service Buildings | $306,445 | |
| 8 | Y1PA Construction of Recreation Facilities (Non-Building) | $228,796 | |
| 9 | Z2JZ Repair or Alteration of Miscellaneous Buildings | $156,168 | |
| 10 | Z2AZ Repair or Alteration of Other Administrative Facilities and Service Buildings | $116,308 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Georgia | $3,340,504 | |
| 2 | Illinois | $2,387,416 | |
| 3 | Virginia | $1,918,925 | |
| 4 | Michigan | $1,220,206 | |
| 5 | Minnesota | $480,500 | |
| 6 | Maryland | $342,521 | |
| 7 | Oregon | $286,979 | |
| 8 | Wyoming | $228,796 | |
| 9 | Montana | $183,000 | |
| 10 | West Virginia | $116,308 | |
| 11 | Maine | $104,600 | |
| 12 | Alaska | $97,368 | |
| 13 | Utah | $60,723 | |
| 14 | South Carolina | $58,800 | |
| 15 | North Dakota | $57,000 | |
| 16 | California | $37,220 | |
| 17 | Texas | $36,020 | |
| 18 | Arizona | $27,925 | |
| 19 | New Hampshire | $11,500 | |
| 20 | District of Columbia | $10,228 | |
| 21 | Iowa | $5,975 |
Show all 21
Shares are of everything obligated under NAICS 238120 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 857 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
Proposed size standard changes
| Proposed rule | Published | Comments |
|---|---|---|
| Small Business Size Standards: Monetary-Based Industry Size Standards | Closed Oct 21, 2025No final rule found |
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 238120?
NAICS 238120 is Structural Steel and Precast Concrete Contractors, a national industry in NAICS 23, Construction.
What is the NAICS code for rebar contractors?
The NAICS code for rebar contractors is 238120, Structural Steel and Precast Concrete Contractors.
What is the NAICS code for erecting structural steel?
The NAICS code for erecting structural steel is 238120, Structural Steel and Precast Concrete Contractors.
What is the NAICS code for reinforcing steel contractors?
The NAICS code for reinforcing steel contractors is 238120, Structural Steel and Precast Concrete Contractors.
When did the size standard for NAICS 238120 last change?
The most recent Federal Register rule on record that names NAICS 238120 in the SBA's size standards is "Small Business Size Standards: Adjustment of Monetary-Based Size Standards, Disadvantage Thresholds, and 8(a) Eligibility Thresholds for Inflation" (87 FR 69118), published Nov 17, 2022 and effective Dec 19, 2022.
How much do federal agencies spend under NAICS 238120?
Federal contracts under NAICS 238120 obligated $22,134,401 in fiscal year 2025 and $78,083,227 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 238120?
The contractors with the most obligated under NAICS 238120 in fiscal years 2026 and 2027 are Southeastern Industrial Construction, LLC ($3,340,504); Ahtna Builders, LLC ($2,387,416); and Rockville Fuel & Feed Company, Incorporated ($1,856,075).
Which agencies buy the most under NAICS 238120?
The agencies that obligated the most under NAICS 238120 in fiscal years 2026 and 2027 are Department of the Navy ($3,456,812), Department of the Army ($3,139,633) and Department of Transportation ($2,492,016).
Which PSC codes are used with NAICS 238120?
The PSC codes with the most obligated under NAICS 238120 in fiscal years 2026 and 2027 are Y1BZ Construction of Other Airfield Structures, N093 Installation of Equipment: Nonmetallic Fabricated Materials and 5680 Miscellaneous Construction Materials.
Where is the work under NAICS 238120 performed?
By place of performance, the states with the most contract obligations under NAICS 238120 over the last 12 months are Georgia ($3,340,504), Illinois ($2,387,416) and Virginia ($1,918,925).
What is the latest contract opportunity under NAICS 238120?
The latest contract opportunity under NAICS 238120 is Blackhawk Park Pre-Fabricated Comfort Station, award notice from ENDIST St Paul (USACE), posted October 30, 2026.
On GovTribe
See everything under NAICS 238120
- Federal contract opportunities, awards and IDVs under this code
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