NAICS code 238120: Structural Steel and Precast Concrete Contractors

NAICS 238120 is “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.

Examples from the U.S. Census Bureau: 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; and Structural steel contractors.

Businesses mainly pouring concrete at the construction site for building foundations or structural elements are classified in Industry 238110, Poured Concrete Foundation and Structure Contractors; and masonry work are classified in Industry 238140, Masonry Contractors.

$19 million average annual receipts (average of the last five fiscal years), including affiliates. Source: 13 CFR 121.201, effective March 17, 2023.

SIC 1791 (Structural Steel Erection, part), from the U.S. Census Bureau concordances (1987 SIC → 2002 NAICS, carried to 2022 NAICS).

238120 (Structural steel & precast concrete construction contractors) on Schedule C, line B, from the IRS list of principal business codes.

Federal agencies put a NAICS code on each solicitation in SAM.gov, and some states and cities use NAICS codes too. Add 238120 to your SAM.gov registration and to your bid alerts; PublicBeam emails new bids for the codes you choose every morning.