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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /23812

    NAICS Demand Lane

    Structural Steel and Precast Concrete Contractors, Contract Opportunities

    207 total opportunities (207 active) tied to NAICS 23812 across federal, state, local, and forecast sources.
    NAICS 23812Federal + SLED207 total
    View NAICS definition →
    Total Opportunities
    207
    Across all indexed sources
    Active Estimate
    207
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 23812.

    DEPARTMENT OF AGRICULTURE

    GAOA TREASURE LAKE VAULT TOILET

    Active

    AI Summary

    The Department of Agriculture, Forest Service is soliciting quotations for the GAOA Treasure Lake Vault Toilet under solicitation number 127EAX26Q0085. This opportunity is set-aside for small businesses and follows the RFQ format. Interested vendors should submit their quotations by the specified deadline.

    ID

    Posted Sep 14, 2026Due Oct 2, 2026Combined Synopsis/SolicitationNAICS 238120Total Small Business Set-Aside (FAR 19.5)Sol: 127EAX26Q0085
    View details→

    DEPT OF DEFENSE

    METAL STAIRS FABRICATION AND INSTALLATION

    Active

    AI Summary

    The Department of Defense is seeking quotes for the fabrication and installation of interior metal stairs at the US Naval Research Laboratory. A mandatory site visit is scheduled for September 3, and proposals must be submitted by September 15. Interested bidders should review the RFQ N0017326Q1903 for full details and…

    DC

    Posted Sep 10, 2026Due Sep 15, 2026Combined Synopsis/SolicitationNAICS 238120Total Small Business Set-Aside (FAR 19.5)Sol: N0017326Q1903
    View details→

    DEPARTMENT OF AGRICULTURE

    REMOVE AND REPLACE CONCRETE DRAINAGE PAD FOR BUILDING #11 WITH OPTOINS

    Active

    AI Summary

    The Department of Agriculture requires a contractor to remove and replace concrete drainage pads for multiple buildings. The project includes providing quotes and technical proposals, skilled labor, materials, and site preparation. Options for additional work on other buildings are included. Bidders must ensure complia…

    UT

    Posted Sep 9, 2026Due Sep 23, 2026Combined Synopsis/SolicitationNAICS 238120Total Small Business Set-Aside (FAR 19.5)Sol: 1240LT26Q0182
    View details→

    DEPARTMENT OF THE INTERIOR

    54--ASSATEAGE ISLAND - INSTALL COMFORT STATIONS

    Archived

    AI Summary

    The National Park Service is seeking proposals for the installation of comfort stations at Assateague Island National Seashore. This RFP requires contractors to provide all necessary labor, materials, and equipment. A site visit is scheduled for September 2, 2026, at 10:00 am EDT. Interested bidders should review the S…

    MA

    Posted Sep 9, 2026Due Sep 11, 2026SolicitationNAICS 238120Total Small Business Set-Aside (FAR 19.5)Sol: 140P4326R0038
    View details→

    DEPT OF DEFENSE

    BLACKHAWK PARK PRE-FABRICATED COMFORT STATION

    Active

    AI Summary

    The Department of Defense is soliciting bids for a construction project to supply all equipment, labor, permits, and materials for a new prefabricated restroom and shower building at Blackhawk Park, Wisconsin. This project includes a septic holding tank and is estimated under $350,000, resulting in a firm fixed-price c…

    MN

    Posted Sep 8, 2026Due Sep 22, 2026SolicitationNAICS 238120Sol: W912ES26QA111
    View details→

    DEPT OF DEFENSE

    GAVINS POINT CRANE RAIL REPLACEMENT

    Active

    AI Summary

    The U.S. Army Corps of Engineers is soliciting bids for the Gavins Point Intake Crane Rail Replacement project, which involves the removal and replacement of crane runway rails. The project is estimated between $1,000,000 and $5,000,000 and requires completion within 365 days post-award. A site visit is scheduled for S…

    NE

    Posted Sep 2, 2026Due Oct 2, 2026SolicitationNAICS 238120Sol: W9128F26RA023
    View details→

    DEPT OF DEFENSE

    CONCRETE JERSEY PASSIVE BARRIERS

    Archived

    AI Summary

    The Department of Defense is soliciting offers for Concrete Jersey Passive Barriers under Solicitation FA481926Q0103. The amendment updates the NAICS code to 238120 and specifies that funds are not currently available. Bidders must submit quotes and supporting documents by September 8, 2026.

    FL

    Posted Aug 31, 2026Due Sep 8, 2026SolicitationNAICS 238120Total Small Business Set-Aside (FAR 19.5)Sol: FA481926Q0103
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    REPAIR EXTERIOR STAIRS FOR BUILDING 3 ON COAST GUARD ISLAND

    Archived

    AI Summary

    The Department of Homeland Security is soliciting proposals for the repair of exterior stairs for Building 3 on Coast Guard Island. This opportunity is set aside for small businesses, and a site visit is required. Offers are due via email by the specified date, and questions must be submitted by September 7, 2026.

    CA

    Posted Aug 26, 2026Due Sep 11, 2026SolicitationNAICS 238120Total Small Business Set-Aside (FAR 19.5)Sol: 31090PR260000363
    View details→

    DEPT OF DEFENSE

    CONSTRUCTION AIRFIELD BLAST SHIELD

    Archived

    AI Summary

    The Department of Defense is seeking contractors for the construction of a blast deflector fence at Dyess AFB, Texas. This presolicitation notice indicates a forthcoming RFP, with a firm-fixed price contract expected. The project requires compliance with various building codes and standards, and is set aside for small …

    TX

    Posted Aug 18, 2026Due Sep 2, 2026PresolicitationNAICS 238120Total Small Business Set-Aside (FAR 19.5)Sol: FA466126R0008
    View details→

    DEPT OF DEFENSE

    BLACKHAWK PARK COMFORT STATION

    Archived

    AI Summary

    The Department of Defense is soliciting bids for the installation of a prefabricated, ADA accessible restroom and shower building at Blackhawk Park. The project includes supplying all necessary equipment, labor, and materials, as well as connecting to utilities and constructing an accessible sidewalk. A site visit is s…

    MN

    Posted Aug 11, 2026Due Aug 24, 2026SolicitationNAICS 238120Total Small Business Set-Aside (FAR 19.5)Sol: W912ES26QA081
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    173
    sled
    30
    forecast
    4

    Related NAICS Codes

    • 23, Construction→
    • 236, Construction of Buildings→
    • 2361, Residential Building Construction→
    • 23611, Residential Building Construction→
    • 236115, New Single-Family Housing Construction (except For-Sale Builders) →
    • 236116, New Multifamily Housing Construction (except For-Sale Builders) →
    • 236117, New Housing For-Sale Builders →
    • 236118, Residential Remodelers →
    • 2362, Nonresidential Building Construction→
    • 23621, Industrial Building Construction→

    Explore

    • 23812 Definition→
    • Browse NAICS Codes→
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    About NAICS 23812

    This industry comprises establishments primarily engaged in the fabrication, erection, and installation of structural steel and precast concrete components for buildings and other structures. These contractors work on projects such as bridges, commercial buildings, and industrial facilities.

    Read the full NAICS definition →