NAICS Code 238120 — Structural Steel and Precast Concrete Contractors
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 23812 (Structural Steel and Precast Concrete Contractors).
| Code | 238120 |
|---|---|
| Title | Structural Steel and Precast Concrete Contractors |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | $19 million in average annual receipts |
Official definition (2022 NAICS)
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
Is a business under 238120 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 238120 qualifies as a small business if it does not exceed $19 million in average annual receipts. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — receipts are averaged over the latest 5 fiscal years.
Where 238120 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 23 | Construction |
| Subsector | 238 | Specialty Trade Contractors |
| Industry Group | 2381 | Foundation, Structure, and Building Exterior Contractors |
| NAICS Industry | 23812 | Structural Steel and Precast Concrete Contractors |
| National Industry | 238120 | Structural Steel and Precast Concrete Contractors |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
1791 | Structural Steel Erection |
Not sure this is the right code?
Describe your business in plain English with the free NAICS code lookup, convert legacy codes with the SIC to NAICS crosswalk, or classify in bulk via the API (25 free calls/month).
Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.