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NAICS Code· 488390

Other Support Activities for Water Transportation

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). Illustrative Examples: Floating drydocks (i.e., routine repair and maintenance of ships) Ship scaling services Marine cargo checkers and surveyors Cross-References. Establishments primarily engaged in--Show more

NAICS 488390 – Other Support Activities for Water Transportation covers specialized services that enable the safe, efficient, and compliant operation of waterborne vessels and maritime infrastructure, excluding direct vessel operation or port terminal services. This includes vessel inspection and maintenance support, marine cargo handling assistance, port security coordination, navigational aid maintenance, environmental compliance monitoring, and technical logistics for water-based federal operations.

24
Active Contracts
$126.1M
Total Obligations (12mo)
412
Awarded Contracts (12mo)
84
Contractors Awarded (12mo)
-50.0%
YoY Growth

Awarded Contractors

Companies that have received federal awards classified under NAICS 488390.

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NAICS 488390 FAQ

Frequently Asked Questions

NAICS code 488390 covers Other Support Activities for Water Transportation. 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). Illustrative Examples: Floating drydocks (i.e., routine repair and maintenance of ships) Ship scaling services Marine cargo checkers and surveyors Cross-References. Establishments primarily engaged in--

Recently Posted in Other Support Activities for Water Transportation

NAICS: 488390
New
DIBBS
Barge-to-Shore Fuel TransferThe contract pertains to the offloading of FJ1 fuel from a barge to shore-based infrastructure located in Japan, requiring coordinated marine logistics and strict adherence to port operations protocols. The work involves the safe and efficient transfer of fuel under rigorous environmental safety standards to ensure compliance with local and international regulations governing hazardous material handling in marine environments. All activities must be executed with precision to avoid ecological impact and maintain operational readiness within the designated port facilities. This subcontract is managed by the Defense Logistics Agency under the Department of Defense, classified under NAICS code 488390 for other support activities for water transportation. The contract was posted on July 15, 2026, and is tied to a specific delivery and contractor reference, indicating it is part of a broader defense supply chain initiative. Performance is centered entirely in Japan, with full responsibility falling on the contractor to navigate complex port coordination, regulatory compliance, and logistical challenges associated with fuel transfer operations in a high-demand strategic location.
Defense Logistics Agency

POSTED

1 day ago

DEADLINE

N/A
View Details
NAICS: 488390
New
Federal
Underwater Hull Maintenance and Repair Services - Military Sealift CommandThis contract, identified as N3220526R0002, is an indefinite-delivery, indefinite-quantity (IDIQ) solicitation for underwater hull maintenance and repair services to be performed on Military Sealift Command Government-Owned, Government-Operated vessels worldwide. The services include hull cleaning, inspections, incidental repairs, cofferdam operations, and other related ship husbandry tasks, governed by Performance Work Statements issued under individual task orders. The solicitation is issued under FAR Part 12 as a combined synopsis and solicitation with no separate written solicitation to follow, and all offers must be submitted via email to the designated Navy points of contact by 5:00 PM Eastern Time on July 22, 2026, with the anticipated award date set for August 10, 2026. The contract has a base period running from August 10, 2026, through August 9, 2031, with a potential six-month option extending through February 9, 2032, and a total contract ceiling of $10,000,000 across all task orders. The NAICS code for this acquisition is 488390, and it is not set aside for small businesses, though small business participation commitment is an evaluation factor. Proposal submissions must adhere to a strict four-volume format, with volumes I through III excluding any pricing information and volume IV exclusively containing pricing exhibits referenced in external documents such as Exhibits B through H. The evaluation process employs a best-value trade-off methodology, prioritizing corporate experience and certifications as a gatekeeping requirement, followed by past performance and innovative approach as significantly weighted factors, with price assessed for fairness, reasonableness, and lack of imbalance but carrying the least influence in the final selection. Offerors must comply with extensive regulatory requirements including FAR and DFARS clauses on ethics, cybersecurity (252.204-7012), supply chain security (252.204-7018), and representation of small business status, with mandatory UEI and CAGE code disclosure. Technical and operational standards require compliance with MIL-STD-2073-1, MIL-STD-129R, and MIL-STD-130 for packaging, marking, and unique item identification; adherence to NSTM Chapter 081 and NAVSEA S0600-AA-PRO-1
Mschq Norfolk

POSTED

1 day ago

DEADLINE

in 6 days
View Details
NAICS: 488390
Awarded
Federal
Clearwater Project Office Dock Repairs
W076 Endist Little Rock

POSTED

1 day ago

DEADLINE

N/A
View Details
NAICS: 488390
New
Federal
Dry Dock Facility and Support Services
Ead-Omao

POSTED

1 day ago

DEADLINE

in 22 days
View Details
NAICS: 488390
New
Federal
USCG MSRT West Pier-Side and Underway Training Vessels
LOG-9

POSTED

2 days ago

DEADLINE

in 5 days
View Details
NAICS: 488390
Closed
Federal
INTENT TO SOLE SOURCE, LIFE RAFT SERVICESThis contract, solicited under number N0040626Q0266 and titled "INTENT TO SOLE SOURCE, LIFE RAFT SERVICES," is a sole-source action directed exclusively at Life Support International Inc. under NAICS code 488390, issued by the Naval Supply Systems Command Fleet Logistics Center Puget Sound under the Department of Defense. The purpose is to procure the inspection, recertification, and modification of two UNI-PAC II life rafts for compatibility with the CMV-22B aircraft’s tail-ramp deployment, including the integration of a Mechanical Reverse Osmosis Desalinator (NSN 4610-01-313-6085) on each unit, along with accompanying inspection and recertification reports. All work must be performed at the contractor’s facility in Langhorne, Pennsylvania, and completed within eight weeks of the contractor’s documented receipt of the government-furnished life rafts. Deliverables are to be shipped FOB Destination to DoDAAC N51211 in Japan, with final acceptance conducted by a government representative at the destination based on compliance with performance work statement requirements. The contract is structured as a Firm Fixed Price arrangement, with no total value specified in the solicitation, requiring offerors to propose pricing for each line item. The response deadline was initially set for 19 June 2026 but was amended twice—first to 6 July 2026 and then to 15 July 2026, both at 3:00 p.m. PDT. Offerors must be registered in SAM, submit a valid quote with company name, CAGE code, business size, point of contact, pricing, and lead times, and include all exceptions to solicitation terms. The solicitation mandates compliance with numerous FAR and DFARS clauses, including those covering cybersecurity, human trafficking, pay equity, labor standards, government property, and prohibitions on telecommunications equipment from certain foreign sources. Payment processing must occur through Wide Area Workflow (WAWF), and contractors are required to designate a point of contact in SAM and maintain compliance with all registration and reporting obligations. Additionally, offerors must represent their non-provision of covered defense telecommunications equipment and affirm adherence to confidentiality and ethical conduct requirements. Access to government facilities post-award requires registration in the Defense Biometric Identification System.
Navsup Flt Logistics Ctr Puget Sound

POSTED

3 days ago

CLOSED

10 days ago
View Details
NAICS: 488390
New
Federal
Operation, Maintenance, and Repair of Motor Vessel Independence (M/V Independence Support)This contract is for the operation, maintenance, and repair of the Motor Vessel INDEPENDENCE, owned by the Naval Facilities Command Engineering and Expeditionary Warfare Center (NAVFAC EXWC), and is critical to supporting the Department of Defense’s research, development, testing, and evaluation of undersea surveillance, acoustic arrays, cable systems, and related technologies. The vessel, typically berthed at Naval Base Ventura County in Port Hueneme, California, is the primary platform for offshore missions requiring specialized marine support, including oceanographic surveys, environmental data collection, naval exercises, and remotely operated vehicle (ROV) operations. The contractor is responsible for providing a fully credentialed crew, engineering services across multiple disciplines, logistical support, and ensuring continuous mission readiness through predictive, preventive, and corrective maintenance. The scope includes managing expendables, lubricants, and Government Furnished Equipment (GFE), with strict accountability for proper use, storage, and return of all GFE items. All operations must adhere to strict U.S. Coast Guard, American Bureau of Shipping (ABS), and NAVFAC EXWC verification standards, and the vessel must be maintained to satisfy 46 CFR requirements, including regular dry-docking. The contract is structured as a Total Small Business Set-Aside under FAR 19.5 with a NAICS code of 488390, limiting eligibility to small businesses. Critical security requirements mandate that the contractor holds a Top Secret Facility Clearance and that eight of the eleven crew members, along with the Security Officer, possess active Top Secret security clearances with SCI eligibility, resulting from a Tier 5 background investigation. All key personnel, including the Master, Chief Engineer, and deck officers, must meet stringent U.S. Coast Guard credentialing standards, including open-ocean master credentials, Radar Observer (Unlimited), GMDSS, STCW, and Life Boatman endorsements, plus certifications in firefighting, CPR, and Basic Life Support. Monthly financial reporting is required by the 15th of each month, detailing labor and other direct costs expended and remaining balances on each task order. The contractor must coordinate directly with the Contracting Officer’s Representative and maintain continuous access control, including after-hours watch-standing and logkeeping. Operations are primarily conducted along the Pacific coast from California to Washington but may expand to other domestic or foreign areas as directed. The solicitation, numbered N3943026R4001, had its response deadline extended to July 17, 2
Navfac Systems And Experimental Warfare Ctr

POSTED

3 days ago

DEADLINE

in about 11 hours
View Details
NAICS: 488390
New
Federal
Elevator Maintenance and Service
Mrpbs Minneapolis Mn

POSTED

3 days ago

DEADLINE

in 27 days
View Details
NAICS: 488390
New
International
W0100-26J008 - RFSO Marine Crane Barge ServicesThe Department of National Defence is seeking qualified Canadian suppliers to provide marine crane barge services under a Regional Individual Standing Offer for operations in Halifax Harbour and surrounding waters. The services required include mooring system lifting, buoy servicing, and support for underwater range equipment. This solicitation is exclusively open to Canadian contractors and is issued under the solicitation number WS5774483798 titled W0100-26J008 RFSO Marine Crane Barge Services. Offers must be submitted by the response deadline of 14:00 EDT on August 10, 2026, and the solicitation was posted on July 13, 2026. The contracting authority is Sonia Stockman of Public Services and Procurement Canada, with all correspondence directed to her email address. Offerors will have the opportunity to request a debriefing following the evaluation process. The work will be performed in Nova Scotia, specifically within the Halifax Harbour area, and no set-aside provisions are specified for this opportunity.
Department of Public Works and Government Services

POSTED

4 days ago

DEADLINE

in 25 days
View Details
NAICS: 488390
Closed
Federal
Heavy Equipment Loading & Securing Services (Stevedoring)The contract entails providing heavy equipment loading, securing, and unloading services for military cargo, including helicopters, RTCH Kalmars, and breakbulk equipment, at designated locations in Charleston, SC and Beaumont, TX. The work requires specialized labor and equipment to safely handle high-value defense assets, ensuring compliance with military transport protocols and operational readiness standards. Performance is focused on port facilities where precision and efficiency are critical to support logistical operations. This is a subcontract under the NAICS code 488390 for stevedoring services, issued by the Department of Defense through Mschq Norfolk. The solicitation was posted on July 10, 2026, with a response deadline of July 16, 2026, at 3:00 PM. The primary place of performance is in Beaumont, TX, though operations will also extend to Charleston, SC. The contract does not specify a set-aside type, indicating it is open to all qualified subcontractors seeking to provide critical port support services for the military supply chain.
Mschq Norfolk

POSTED

6 days ago

CLOSED

about 5 hours ago
View Details
NAICS: 488390
SLED
Vessel Delivery & TransportThe contract requires the safe and timely transport of a completed 32-foot patrol vessel from the builder’s location to Chatham County, Georgia, encompassing all aspects of logistics, including route planning, securing necessary permits, arranging insurance coverage, and coordinating with relevant authorities to ensure compliance with transportation regulations. The successful bidder must manage every detail of the move, from pre-departure preparations to final delivery, ensuring the vessel arrives in optimal condition and on schedule without disruption or damage. All costs associated with transportation, handling, and regulatory compliance are the responsibility of the contractor. This subcontract is issued by Chatham County, Georgia, under NAICS code 488390, which pertains to other support activities for water transportation. The solicitation was posted on July 8, 2026, with a response deadline of August 10, 2026, at 7:00 PM. While specific pickup and delivery addresses are not provided, the place of performance is clearly designated as Chatham County, GA, and the contractor is expected to coordinate directly with the county to confirm location details and delivery requirements. The contract does not specify any set-aside provisions, making it open to all eligible bidders.
Chatham County

POSTED

8 days ago

DEADLINE

in 25 days
View Details
NAICS: 488390
Federal
Anchor Windlass Static Load TestingThe contract mandates the performance of static load testing on anchor windlass flanges to validate their structural integrity and ensure operational safety under applied loads. This work is critical for confirming the reliability of marine hardware used in maritime operations and must be executed in strict compliance with relevant engineering and safety standards. The testing will be performed at the designated place of performance in Portsmouth, with all deliverables required to meet the technical specifications outlined in the solicitation. This is a Total Small Business Set-Aside under the SBA program, ensuring that only small business concerns are eligible to submit proposals. The NAICS code 488390 identifies the work as part of other marine transportation support activities, and the contract is issued under the Department of Homeland Security’s Sflc Procurement Branch 1. Submissions must be received no later than August 18, 2026, at 2:00 PM, with the opportunity posted on SAM.gov. The procurement is structured as a subcontract and does not include additional information regarding point of contact or specific performance metrics beyond the scope of load testing and safety verification.
Sflc Procurement Branch 1(00080)

POSTED

8 days ago

DEADLINE

in about 1 month
View Details

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