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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /33661

    NAICS Demand Lane

    Ship and Boat Building, Contract Opportunities

    11,684 total opportunities (11,684 active) tied to NAICS 33661 across federal, state, local, and forecast sources.
    NAICS 33661Federal + SLED11.7K total
    View NAICS definition →
    Total Opportunities
    11.7K
    Across all indexed sources
    Active Estimate
    11.7K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 33661.

    DEPARTMENT OF HOMELAND SECURITY

    52000QR260028665- CGC VINCENT DANZ DIVE SERVICES

    Active

    AI Summary

    The US Coast Guard is seeking quotations for dive services to support technical repairs on the CGC Vincent Danz. This opportunity is a total small business set-aside and will be awarded using simplified acquisition procedures. Interested vendors must submit their quotes by 18 September 2026, including a detailed cost b…

    VA

    Posted Sep 17, 2026Due Sep 18, 2026Combined Synopsis/SolicitationNAICS 336611Total Small Business Set-Aside (FAR 19.5)Sol: 52000QR260028665
    View details→

    DEPT OF DEFENSE

    212 RQS RHIB

    Active

    AI Summary

    The Department of Defense is seeking proposals for a brand name requirement related to military vessels under NAICS code 336612. This opportunity is a combined synopsis/solicitation and is not set aside for simplified acquisition procedures. Interested bidders should refer to the attached documents for further details.

    AK

    Posted Sep 16, 2026Due Sep 23, 2026Combined Synopsis/SolicitationNAICS 336612Total Small Business Set-Aside (FAR 19.5)Sol: W50S6L26Q0010
    View details→

    DEPT OF DEFENSE

    63--TRANSMITTER,RUDDER ANG

    Active

    AI Summary

    The Department of Defense is seeking quotes for 2 units of the rudder angle transmitter (NSN 6320002389973). This opportunity is a combined synopsis/solicitation under RFQ, and all responsible sources may submit a quote electronically. Specifications and hard copies are not available.

    VA

    Posted Sep 16, 2026Due Sep 24, 2026Combined Synopsis/SolicitationNAICS 336611Sol: SPE4A626T30WD
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    DRYDOCKS (DD) – USCG WMSL-418 (NSC) FY28-33 PACIFIC AREA

    Active

    AI Summary

    The U.S. Coast Guard is seeking market research for the drydocking of six Maritime Security Cutters from FY 2028 to 2033. The contract will cover six planned drydocks and one emergent drydock, with services required at homeports in Alameda, CA, and Honolulu, HI.

    CA

    Posted Sep 16, 2026Due Oct 8, 2026Sources SoughtNAICS 336611Sol: 70Z08526SSN_USCG_DD_FY28_FY33
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    USCG - RESPONSE BOAT, SMALL THIRD GENERATION (RB-S III)

    Archived

    AI Summary

    The U.S. Coast Guard seeks contractors to design, build, and deliver the Response Boat, Small Third Generation (RB-S III). This presolicitation notice outlines the requirement for up to 400 boats and logistics support, with a ten-year IDIQ contract structure. Interested parties should monitor SAM.gov for updates and th…

    DC

    Posted Sep 16, 2026PresolicitationNAICS 336612Total Small Business Set-Aside (FAR 19.5)Sol: USCG-RB-S-III-2026
    View details→

    DEPT OF DEFENSE

    COMPOSITE MARINE CAMEL CLEANING AND STRUCTURAL INSPECTION SERVICES

    Active

    AI Summary

    The Department of Defense is seeking quotations for composite marine camel cleaning and structural inspection services. This opportunity is set aside for small businesses and is issued as a request for quotation (RFQ). Interested parties should refer to the attached solicitation for complete details.

    GA

    Posted Sep 16, 2026Due Sep 25, 2026Combined Synopsis/SolicitationNAICS 336611Total Small Business Set-Aside (FAR 19.5)Sol: N6470926Q0047
    View details→

    DEPT OF DEFENSE

    BIG BLUE 3 MAC (N6449821D0013 - N6449821D0023)DDG BACKFIT MODERNIZATION TECH REFRESH INSTALLATION

    Active

    AI Summary

    The U.S. Navy is seeking contractors for the DDG Back Fit Modernization Program, which involves alterations on several destroyers including USS MILIUS and USS GONZALES. This solicitation is classified under NAICS code 336611 and is not set aside for small businesses.

    PA

    Posted Sep 16, 2026Due Oct 13, 2026SolicitationNAICS 336611Sol: N6449826Q5233
    View details→

    DEPARTMENT OF THE INTERIOR

    19--SHALLOW WATER BOAT, MOTOR, & TRAILER

    Active

    AI Summary

    The U.S. Geological Survey requires a shallow-water boat, motor, and trailer to be delivered to Baton Rouge, LA by November 30, 2026. This is a Total Small Business Set-aside opportunity, with competitive quotes due by September 18, 2026. Interested vendors must be registered at SAM.gov to be eligible for award.

    VA

    Posted Sep 16, 2026Due Sep 18, 2026SolicitationNAICS 336612Total Small Business Set-Aside (FAR 19.5)Sol: 140G0126Q0278
    View details→

    DEPT OF DEFENSE

    USNS GRASP FY27 REGULAR OVERHAUL AND DRYDOCKING

    Active

    AI Summary

    The opportunity involves the regular overhaul and drydocking of the USNS GRASP for FY27, as solicited by the Department of Defense, specifically the Navy. Bidders should refer to the attached documents for detailed requirements and note the corrected response time for final proposal revisions.

    VA

    Posted Sep 16, 2026Due Sep 17, 2026SolicitationNAICS 336611Total Small Business Set-Aside (FAR 19.5)Sol: N3220526R6039
    View details→

    DEPT OF DEFENSE

    CLEANING OF SANITATION TANKS

    Active

    AI Summary

    The Norfolk Naval Shipyard is soliciting proposals for the cleaning of three sanitation tanks. The updated solicitation will be posted by September 22, 2026, with responses due by September 28, 2026. This opportunity is part of the Navy's logistics support and maintenance operations.

    VA

    Posted Sep 16, 2026Due Sep 28, 2026SolicitationNAICS 336611Total Small Business Set-Aside (FAR 19.5)Sol: N4215826Q0035
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    10,887
    sled
    439
    forecast
    358

    Related NAICS Codes

    • 331, Primary Metal Manufacturing→
    • 3311, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 33111, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 331110, Iron and Steel Mills and Ferroalloy Manufacturing →
    • 3312, Steel Product Manufacturing from Purchased Steel→
    • 33121, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 331210, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 33122, Rolling and Drawing of Purchased Steel→
    • 331221, Rolled Steel Shape Manufacturing →
    • 331222, Steel Wire Drawing →

    Explore

    • 33661 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    About NAICS 33661

    This industry comprises establishments primarily engaged in building ships, boats, and other floating vessels. Activities include constructing new vessels and major alterations or conversions of existing vessels.

    Read the full NAICS definition →