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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /4883

    NAICS Demand Lane

    Support Activities for Water Transportation, Contract Opportunities

    1,039 total opportunities (1,039 active) tied to NAICS 4883 across federal, state, local, and forecast sources.
    NAICS 4883Federal + SLED1K total
    View NAICS definition →
    Total Opportunities
    1K
    Across all indexed sources
    Active Estimate
    1K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 4883.

    DEPARTMENT OF AGRICULTURE

    SRD BUOY INSPECTION AND MAINTENANCE

    Active

    AI Summary

    The opportunity involves commercial buoy inspection and maintenance services for the Stika Ranger District in the Tongass National Forest, Southeast Alaska. The solicitation includes an amendment that extends the offer due date and provides responses to industry questions along with additional attachments. Interested b…

    OR

    Posted Oct 5, 2026Due Oct 9, 2026Combined Synopsis/SolicitationNAICS 488330Total Small Business Set-Aside (FAR 19.5)Sol: 1240BF26Q0003
    View details→

    DEPT OF DEFENSE

    NOTICE OF INTENT- MARINE TRAFFIC CONTROLLER 2026/2027

    Active

    AI Summary

    The U.S. Army Corps of Engineers intends to award a sole source purchase order for marine traffic controller services aboard the Mat Sinking Unit. The controller must have extensive river knowledge and familiarity with Coast Guard regulations. Interested firms may submit capabilities statements by 12:00 PM CST on Octob…

    MS

    Posted Oct 5, 2026Due Oct 13, 2026Special NoticeNAICS 488330Sol: W912EE27QA001
    View details→

    DEPT OF DEFENSE

    UWILD HULL INSPECTION

    Archived

    AI Summary

    The Department of Defense is seeking quotes for underwater hull inspection services for the USNS Amelia Earhart. The solicitation number is N3220526Q7258, and the due date for quotes is extended to October 5, 2026. The work will take place in Guam from October 18 to October 23, 2026, under a Firm-Fixed-Price arrangemen…

    VA

    Posted Sep 29, 2026Due Oct 5, 2026Combined Synopsis/SolicitationNAICS 488390Sol: N3220526Q7258
    View details→

    NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

    TUGBOAT SERVICES AND SUPPORT, VESSEL TECHNICAL ASSESSMENT, AND SHIPYARD MAINTENANCE, OPERATIONS, AND SUPPORT

    Active

    AI Summary

    NASA is seeking information on tugboat services, vessel technical assessment, and shipyard maintenance for the NASA Barge Pegasus. This Request for Information (RFI) aims to identify commercial solutions and capabilities from interested parties. Respondents may provide information on any or all parts of the requirement…

    AL

    Posted Sep 29, 2026Due Oct 30, 2026Sources SoughtNAICS 488330Sol: 80MSFC-Pegasus-2026
    View details→

    DEPT OF DEFENSE

    KINGDOM OF BAHRAIN S&RTS

    Active

    AI Summary

    The U.S. Transportation Command requires S&RTS services for managing U.S. Government cargo in Bahrain, including stevedoring and long-shoring tasks at various military locations. The contract covers a range of cargo types, including vehicles and hazardous materials, with transportation facilitated by vessels and milita…

    IL

    Posted Sep 29, 2026Due Oct 29, 2026Combined Synopsis/SolicitationNAICS 488320Sol: HTC71126QE170
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    USCGC_STORIS_SUSTAIN MENT_SUPPORT_SOURCES_SOUGHT

    Archived

    AI Summary

    The US Coast Guard intends to procure services to support the operations and maintenance of USCGC STORIS. The contractor's services will complement and supplement organic Coast Guard personnel onboard the cutter and at shore locations in Seattle, WA; Alameda, CA; and Baltimore, MD.

    CA

    Posted Sep 25, 2026Due Oct 5, 2026Sources SoughtNAICS 488330Sol: USCGC_STORIS_SUSTAINMENT_SUPPORT_SOURCES_SOUGHT_3
    View details→

    DEPT OF DEFENSE

    OMAN STEVEDORING AND RELATED TERMINAL SERVICES

    Active

    AI Summary

    The Department of Defense is seeking sources for stevedoring and related terminal services in Oman, covering multiple seaports and airbases. The contractor will handle cargo import/export, provide facility support, ensure cargo security, and manage customs clearance. All tasks must be completed as per the Performance W…

    IL

    Posted Sep 24, 2026Due Oct 8, 2026Sources SoughtNAICS 488320Sol: TRANSCOM26R017
    View details→

    DEPT OF DEFENSE

    FLOATING DOCK MAINTENANCE

    Archived

    AI Summary

    The Department of Defense is seeking maintenance support for floating boat docks at CENSECFOR Learning Site Little Creek. This includes annual inspections and an extended warranty agreement for the modular floating boat dock system, which supports security boat training for NSF personnel.

    Posted Sep 24, 2026Due Oct 1, 2026Special NoticeNAICS 488390Sol: 017
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    37250PR260000124 - TOW, REMOVAL, AND DESTRUCTION OF DERELICT SAILBOAT FROM USCG STATION SAN DIEGO

    Archived

    AI Summary

    This opportunity involves a service contract for the towing, removal, and demolition of a derelict sailboat from USCG Station San Diego. It is a Lowest Price Technically Acceptable (LPTA) solicitation, and interested bidders should refer to the updated scope of work for details.

    CA

    Posted Sep 21, 2026Due Sep 24, 2026Combined Synopsis/SolicitationNAICS 488330Sol: 37250PR260000124
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    USCGC HEALY CO2 PULL SYSTEM UPGRADE

    Archived

    AI Summary

    The US Coast Guard is seeking contractors for the CO2 pull system upgrade on the USCGC HEALY. The project involves vessel repairs, including fire pull replacements and compliance with specific welding and fire prevention standards. The work is scheduled from October 1 to October 31, 2026, at Coast Guard Base Seattle. I…

    CA

    Posted Sep 21, 2026Due Sep 25, 2026Combined Synopsis/SolicitationNAICS 488390Total Small Business Set-Aside (FAR 19.5)Sol: 70Z08526Q0028325
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    859
    sled
    166
    forecast
    14

    Related NAICS Codes

    • 48-49, Transportation and Warehousing→
    • 481, Air Transportation→
    • 4811, Scheduled Air Transportation→
    • 48111, Scheduled Air Transportation→
    • 481111, Scheduled Passenger Air Transportation →
    • 481112, Scheduled Freight Air Transportation →
    • 4812, Nonscheduled Air Transportation→
    • 48121, Nonscheduled Air Transportation→
    • 481211, Nonscheduled Chartered Passenger Air Transportation →
    • 481212, Nonscheduled Chartered Freight Air Transportation →

    Explore

    • 4883 Definition→
    • Browse NAICS Codes→
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    About NAICS 4883

    This industry comprises establishments primarily engaged in providing support services for water transportation, such as port and harbor operations, marine cargo handling, and pilotage services. These activities facilitate the movement of goods and passengers by water.

    Read the full NAICS definition →