NAICS 488390 - Other Support Activities for Water Transportation RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

Browse open Other Support Activities for Water Transportation (NAICS 488390) RFPs, RFIs, RFQs, and Sources Sought on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

About Other Support Activities for Water Transportation (NAICS 488390)

This industry comprises establishments primarily engaged in providing services to water transportation (except port and harbor operations; marine cargo handling services; and navigational services to shipping).

StatusTitleBuyerDue Date
OpenPacific Area Maritime Security Cutter Drydocking and Repair

The U.S. Coast Guard is conducting market research for six planned and one emergent drydock of six Pacific Area Maritime Security Cutters, Large, including extensive ship repair and maintenance work from March 2028 through September 2033.

United StatesSources Sought
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 2(00085)9/24/2026
OpenAmherst Islander 2 Drydocking and Recertification

Ontario's Ministry of Transportation is seeking competitive bids for the mandatory five-year drydocking and recertification of the Amherst Islander 2 marine vessel.

CanadaRequest for Quote/Qualifications (RFQ)
Ontario > Ministry of Transportation9/18/2026
OpenSurry Ferry Shipyard and Dry-Dock Services

The Virginia Department of Transportation is seeking a shipyard with dry-dock capabilities to haul out and perform inspection, preservation, repair, painting, and related services on the Jamestown-Scotland Ferry vessel Surry.

Surry, VA, USAInvitation for/to Bid (IFB/ITB)
Virginia > Virginia Department of Transportation9/21/2026
OpenDrydocking and Refit Services for M.V. Highlanders

Marine Atlantic Inc. is seeking a supplier for drydocking and refit services for the M.V. Highlanders, including inspections, maintenance, repairs, and preservation, with the vessel out of service from April 7 to May 31, 2027.

Hamilton Shipyard, Hamilton, ON, CanadaRequest for Proposal (RFP)
Marine Atlantic Inc.10/5/2026
OpenUSCGC SPAR Unplanned Drydock Repairs

The U.S. Coast Guard is seeking a contractor to perform unplanned drydock repairs on the USCGC SPAR, including propulsion and controllable-pitch-propeller maintenance, drydocking, towing, and sea-trial support.

1201 Minnesota Avenue, Duluth, MN, USARequest for Quote/Qualifications (RFQ)
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 3(00040)9/18/2026
OpenUSNS Point Loma Mid-Term Availability

The U.S. Navy's Military Sealift Command is seeking a small business to perform the mid-term availability of the USNS Point Loma (T-EPF 15) at a contractor facility on the East Coast from April 5 through June 19, 2027.

Virginia, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > MSCHQ NORFOLK (MSC HQS)10/20/2026
OpenLPAC No. One Deck and Coaming Preservation

The U.S. Navy is requesting a firm-fixed-price job order to preserve approximately 50 square feet of deck and coaming inside the LPAC No. One compartment aboard USS New Orleans, including removal and reinstallation of piping, a low-pressure air compressor, and a dehydrator.

Sasebo-shi, Nagasaki Prefecture, JapanRequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP FLT LOG CTR YOKOSUKA (NAVSUP FLC YOKOSUKA)9/16/2026
OpenUSCGC STORIS FY2027 Dockside Repairs

The United States Coast Guard is seeking capability statements for FY2027 dockside repair, inspection, testing, and maintenance of the USCGC STORIS in Seattle, including tanks, valves, cranes, firefighting systems, lifesaving equipment, sewage systems, ventilation, and related shipboard equipment.

1519 Alaskan Way South, Seattle, WA, USASources Sought
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 2(00085)9/14/2026
OpenUSCGC VIGOROUS FY2027 Drydock and Dockside Repairs

The United States Coast Guard is seeking a small-business contractor to drydock the USCGC VIGOROUS and perform extensive FY2027 vessel repairs, inspections, preservation, equipment servicing, and related dockside support.

United StatesRequest for Quote/Qualifications (RFQ)Small BusinessWoman-Owned Business
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 1(00080)9/25/2026
OpenUSCGC CALHOUN Dockside Repairs

The United States Coast Guard is seeking quotes for a requirements contract providing dockside repairs and associated support services for the USCGC CALHOUN in North Charleston, South Carolina, with an added Talon Grid inspection and testing work item and a revised quote deadline of September 28, 2026.

North Charleston, SC, USARequest for Quote/Qualifications (RFQ)Other
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 2(00085)9/28/2026
OpenUSCGC Midgett FY2027 Dockside Repairs

The U.S. Coast Guard is seeking a small-business contractor to perform fiscal year 2027 second-quarter dockside repairs on the USCGC Midgett in Honolulu, including structural renewal, tank cleaning and preservation, piping repairs, equipment inspection, testing, and related support.

400 Sand Island Parkway, Honolulu, HI, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 2(00085)9/29/2026
OpenCCGS Neocaligus Drydocking and Refit

The Canadian Coast Guard is seeking a contractor to perform drydocking and refit services for the CCGS Neocaligus in British Columbia, with work scheduled from November 20 to December 18, 2026.

British Columbia, CanadaRequest for Proposal (RFP)Other
Government of Canada > Public Works and Government Services Canada > Canadian Coast Guard9/16/2026
OpenPearl Harbor Tug Services Option Exercise

The U.S. Navy's Military Sealift Command is seeking small businesses capable of providing Pearl Harbor tug services under an option exercise.

Pearl Harbor, HI, USASources SoughtSmall Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > MSCHQ NORFOLK (MSC HQS)9/17/2026
OpenDDG-51 Class Ship Maintenance and Modernization IDIQ Contracts

The U.S. Navy is providing a consolidation determination for planned Single Award IDIQ Multi-Ship Sustainment Partnership contracts covering maintenance, modernization, and repair of DDG-51 class ships homeported in Norfolk, Virginia.

Norfolk Naval Station Airport, Norfolk, VA, USAOtherSmall Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSEA HQ9/17/2026
OpenUSCGC Hamilton FY2027 Dockside Ship Repairs

The United States Coast Guard is conducting market research for FY2027 dockside repairs to the 418-foot USCGC Hamilton, including shipboard system maintenance, structural repairs, equipment modifications, inspections, and deck and coating renewal in North Charleston, South Carolina.

North Charleston, SC, USASources SoughtSmall Business
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 2(00085)9/14/2026
OpenWest Basin Marina and Pier 3 Dredging

The Port of Astoria is seeking qualified marine contractors to dredge the West Basin Marina and Pier 3 Haul Out Piers.

Pier 3, Astoria, OR, USAInvitation for/to Bid (IFB/ITB)
Port of Astoria9/15/2026
OpenM.V. Cathlamet Ferry Drydocking and Repairs

The Washington State Department of Transportation is seeking a prequalified contractor to drydock and repair the M.V. Cathlamet ferry, including hull, piping, rudder, propeller, and shaft-seal work.

Washington, USAInvitation for/to Bid (IFB/ITB)Small BusinessVeteran-Owned Business
Department of Transportation10/15/2026
OpenUSCGC MANTA FY2027 Drydock Repairs

The U.S. Coast Guard is seeking sources capable of performing 91 days of drydock repairs and maintenance on the USCGC MANTA, including hull preservation, propulsion-system repairs, tank cleaning, electrical upgrades, and related vessel work.

Corpus Christi, TX, USASources Sought
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 1(00080)9/22/2026
OpenUSCGC Hatchet and 68B Barge Drydock Repairs

The U.S. Coast Guard is conducting market research for contractors capable of performing FY2027 drydock repairs and maintenance on USCGC Hatchet and USCG 68B Barge at a contractor facility.

Galveston, TX, USASources Sought
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 2(00085)9/21/2026
OpenCourtesy Dock Supply and Installation

The U.S. Army Corps of Engineers is seeking a small-business contractor to supply and install a courtesy dock at Jordan Dam in Moncure, North Carolina.

2080 Jordan Dam Road, Moncure, NC, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W074 ENDIST WILMINGTON (KO CONTRACTING DIVISION)10/9/2026
OpenNew Cross Lake Work Barge

The City of Shreveport is seeking sealed or electronic bids for a new Cross Lake work barge with an estimated expenditure of $85,000.

Cross Lake, Shreveport, LA, USAInvitation for/to Bid (IFB/ITB)
City of Shreveport > Purchasing Division9/15/2026
OpenTrawl Warps for CCGS John Cabot

The Canadian Coast Guard is seeking trawl warps to support operations of the CCGS John Cabot through an open, lowest-price procurement.

Nova Scotia, CanadaRequest for Proposal (RFP)
Government of Canada > Department of Public Works and Government Services > Canadian Coast Guard9/22/2026
OpenDry-Docking and Repair of CCGS Sir William Alexander

The Canadian Coast Guard is seeking offers for the dry-docking, inspection, repair, maintenance, and alterations of the CCGS Sir William Alexander, with submissions due October 8, 2026 at 2:00 p.m. EDT.

CanadaRequest for Proposal (RFP)
Government of Canada > Western Canada > Canadian Coast Guard10/8/2026
OpenCCGS S.W. Laurier Alongside Refit

The Canadian Coast Guard is seeking alongside refit services for the CCGS S.W. Laurier in Western Canada, with work scheduled from November 2 through November 24, 2026.

British Columbia, CanadaRequest for Proposal (RFP)Other
Government of Canada > Department of Public Works and Government Services > Canadian Coast Guard10/1/2026
OpenCCGS John P. Tully Alongside Refit

The Government of Canada is seeking a contractor to perform an alongside refit of the Canadian Coast Guard Ship CCGS John P. Tully in Western Canada.

Sidney, BC, CanadaRequest for Proposal (RFP)Other
Government of Canada > Public Works and Government Services Canada > Canadian Coast Guard10/1/2026
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