NAICS 4883: Support Activities for Water Transportation

Industry group

Code facts

Codes under it
4
Contract awards
1,786 In the last 12 months
Contract obligations
$802,572,366 In FY2025

NAICS codes and definitions come from the U.S. Census Bureau and contract spending from SAM.gov/FPDS.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $728,060
FY2026 $656,967,675
FY2025 $802,572,366
FY2024 $902,141,321
FY2023 $706,578,002

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 S.C.A. - Shipping Consultants Associated LTD. $102,108,672
2 Waypoint LLC $56,697,854
3 Alpha Marine Services LLC $44,281,343
4 Global Pcci (Gpc) $43,335,395
5 Pole Star Space Applications USA Inc. $23,709,905
6 Navcor Logistics LLC $23,000,000
7 Moran Towing Corporation $17,970,943
8 Talton Marine Terminal, LLC $15,434,538
9 Inchcape Shipping Services Dubai LLC $14,709,557
10 Innovative Professional Solutions, Inc. $13,631,597

See the full FY2025 ranking of NAICS 4883 contractors, by parent company.

Top funding agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of the Navy Department of Defense $423,189,545
2 Department of Transportation $70,626,567
3 Department of the Army Department of Defense $67,233,762
4 Department of Homeland Security $61,844,278
5 Department of Agriculture $23,339,659
6 Air Force Department of Defense $3,510,691
7 Department of Energy $2,818,278
8 Department of Commerce $2,340,690
9 Defense Logistics Agency Department of Defense $1,676,476
10 Department of the Interior $587,062
Rank PSC code Obligated, FY2026–FY2027 Share
1 M2CA Ship Husbanding Services-Management/Integration Service $175,149,289
2 V124 Marine Charter for Things $63,058,165
3 V114 Stevedoring $51,883,273
4 V119 Other Cargo and Freight Services $51,712,977
5 J036 Maintenance, Repair and Rebuilding of Equipment: Special Industry Machinery $43,335,395
6 M2AC Husbanding Services-Removal Services $28,552,976
7 M2BA Husbanding Services-Transportation Services $26,134,136
8 J019 Maintenance, Repair and Rebuilding of Equipment: Ships, Small Craft, Pontoons, and Floating Docks $25,920,427
9 7A21 IT and Telecom – Business Application Software (Perpetual License Software) $23,709,905
10 H999 Other Quality Control, Testing and Inspection Services: Miscellaneous $23,000,000

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Florida $78,158,068
2 California $76,190,073
3 Virginia $71,953,583
4 New York $29,690,580
5 Louisiana $26,650,812
6 Maryland $19,978,691
7 Georgia $19,668,820
8 Texas $19,325,511
9 U.S. Virgin Islands $18,265,851
10 Puerto Rico $15,674,127
11 Pennsylvania $11,421,853
12 Washington $11,129,931
13 Hawaii $10,353,537
14 Guam $8,336,905
15 District of Columbia $6,739,002
16 New Jersey $5,312,860
17 Wisconsin $5,203,927
18 Alabama $4,703,820
19 Massachusetts $4,574,237
20 Maine $4,409,644
21 West Virginia $2,440,886
22 North Carolina $2,188,998
23 Mississippi $2,099,168
24 Alaska $1,905,178
25 South Carolina $1,249,041
26 Connecticut $1,053,512
27 Ohio $968,090
28 Oregon $776,265
29 Idaho $744,940
30 Tennessee $628,047
31 Rhode Island $507,081
32 Michigan $371,701
33 Arizona $309,600
34 Montana $120,000
35 American Samoa $98,900
36 New Mexico $74,440
37 Missouri $58,000
38 Iowa $22,790
39 Illinois $18,000
40 Northern Mariana Islands $11,450
Show all 40

Shares are of everything obligated under NAICS 4883 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Contract opportunities

Notice Posted Due
Northeast Ice-Breaking Pre-Solicitation
USNS NEWPORT - Cofferdam Installation Services Pre-Solicitation · Military Sealift Command (Navy)
Underwater Inspection in Lieu of Dry-docking (UWILD) of the USNS SACAGAWEA Solicitation · Military Sealift Command (Navy)
Provide two tugs and one pilot NOAA ship pisces Solicitation · National Oceanic and Atmospheric Administration
NOAA Ships- Oil Containment Boom Services Solicitation · National Oceanic and Atmospheric Administration
ECS Fleet and Shore Support Limited / Sole Source Justification · Coast Guard —
Boat Tow Solicitation · Marine Corps (Navy)
Notice of Intent to Award a Sole Source 8(a) Procurement to Next Generation Logistics, LLC, for Towboat Services Special Notice · ENDIST Memphis (USACE)
RFI - Seasonal Great Lakes Ice-Breaking Pre-Solicitation
N0060426Q4106 TWR Operations Support Services Solicitation · Naval Supply Systems Command (Navy)
NOTICE OF INTENT- Marine Traffic Controller 2026/2027 Special Notice · ENDIST Vicksburg (USACE)
USACE MVK's MSU Barge Salvage and Demo Award Notice · ENDIST Vicksburg (USACE) —
Tugboat Services and Support, Vessel Technical Assessment, and Shipyard Maintenance, Operations, and Support Pre-Solicitation · Marshall Space Flight Center
Kingdom of Bahrain S&RTS Solicitation · United States Transportation Command
USCGC_storis_sustain ment_support_sources_sought Pre-Solicitation · Coast Guard
Oman Stevedoring and Related Terminal Services Pre-Solicitation · United States Transportation Command
Line Handler in Valdez, AK for NOAA Ship Fairweath Award Notice · National Oceanic and Atmospheric Administration —
Floating Dock Maintenance Special Notice · Naval Supply Systems Command (Navy)
SRD Buoy Inspection and Maintenance Solicitation · Forest Service
37250PR260000124 - Tow, Removal, and Destruction of Derelict Sailboat from USCG Station San Diego Solicitation · Coast Guard
USCGC HEALY CO2 Pull System Upgrade Solicitation · Coast Guard
Underwater Hull Cleaning Solicitation · Naval Supply Systems Command (Navy)
BLM-NM TFO sclra floating courtesy dock replacemen Award Notice · Colorado Region (BLM) · 140L1726Q0040 —
Two (2) Line Handlers for NOAA Ship Fairweather Solicitation · National Oceanic and Atmospheric Administration
This requisition is to provide NOAA Ship Oscar Elt Award Notice · National Oceanic and Atmospheric Administration —
1305M226Q0255 - Permanent Boom, Temporary Boom, and Boom Reel for New MOC-A Facility Solicitation · National Oceanic and Atmospheric Administration
Stevedoring Services for Port of Bremerhaven, Germany Solicitation · United States Transportation Command
Uwild hull inspection Solicitation · Military Sealift Command (Navy)
12102QR260000559- USCGC diligence TUG services Solicitation · Coast Guard
Singapore S&RTS Pre-Solicitation · United States Transportation Command
CGC reliance harbor and docking assitance Solicitation · Coast Guard
S&RTS Mid-Atlantic Ports Award Notice · United States Transportation Command —
J&A for Capacity Increase to Indefinite Delivery, Indefinite Quantity for Motor Vessel Independence Support Services Under the Cognizance of Naval Facilities Engineering and Expeditionary Warfare Center Limited / Sole Source Justification · Naval Facilities Engineering Command (Navy) —
Pearl Harbor Tugs - Sources Sought Option Exercise Pre-Solicitation · Military Sealift Command (Navy)
Justification for Other than Full and Open Competition - Cutter Maintenance Limited / Sole Source Justification · Coast Guard —
12102QR260000538-USCGC diligence TUG services Solicitation · Coast Guard
Training Vessels for USCG Maritime Security Response Team Award Notice · Coast Guard · 70Z08426QDL940024 —
Heavy lift crane rental services, navsta rota, spain Solicitation · Naval Supply Systems Command (Navy)
Tug/ Tow Movement at Bay of Cadiz Pre-Solicitation · Naval Supply Systems Command (Navy)
Justification for Other than Full and Open Competition Limited / Sole Source Justification · Coast Guard —
BLM-NM TFO sclra floating courtesy dock replacemen Solicitation · Colorado Region (BLM) · 140L1726Q0040
CNRSE Port Operations Support Services Solicitation · Naval Supply Systems Command (Navy)
Fast Response Cutter Maintenance in Singapore Limited / Sole Source Justification · Coast Guard —
Provide extraction, packaging, preservation, and transportation services for designated Government-furnished equipment from Ex WHIDBEY ISLAND (LSD 41) and Ex FT McHENRY (LSD 43). Award Notice · Interior Business Center (DO) —
FY26 Shoalhunter Dry Dock Maintenance and Repairs Award Notice · ENDIST Seattle (USACE) —
Training Vessels for USCG Maritime Security Response Team Solicitation · Coast Guard · 70Z08426QDL940024
New york area husbandry service ferdinand hassler Solicitation · National Oceanic and Atmospheric Administration
Yokohama, Japan S&RTS Solicitation · United States Transportation Command
Underwater Hydrophone Retrieval and Maintenance Solicitation · National Oceanic and Atmospheric Administration
Pearl Harbor Tugs Recompete Solicitation · Military Sealift Command (Navy)
Show 40 more

Latest 50 of 4,027 listed here. See the rest on GovTribe.

Codes under 4883

NAICS code
48831 Port and Harbor Operations
48832 Marine Cargo Handling
48833 Navigational Services to Shipping
48839 Other Support Activities for Water Transportation

Definition

This industry group comprises establishments primarily engaged in one of the following: (1) operating ports, harbors (including docking and pier facilities), or canals; (2) providing stevedoring and other marine cargo handling services (except warehousing); (3) providing navigational services to shipping; or (4) providing other services to water transportation.

Quick answers

What is NAICS 4883?

NAICS 4883 is Support Activities for Water Transportation, an industry group in NAICS 48-49, Transportation and Warehousing.

What codes are under NAICS 4883?

NAICS 4883 has 4 codes under it with their own GovTribe pages, including 48831 Port and Harbor Operations, 48832 Marine Cargo Handling and 48833 Navigational Services to Shipping.

How much do federal agencies spend under NAICS 4883?

Federal contracts under NAICS 4883 obligated $802,572,366 in fiscal year 2025 and $3,068,987,423 in fiscal years 2023 through 2027.

Who are the largest contractors under NAICS 4883?

The contractors with the most obligated under NAICS 4883 in fiscal years 2026 and 2027 are S.C.A. - Shipping Consultants Associated LTD. ($102,108,672), Waypoint LLC ($56,697,854) and Alpha Marine Services LLC ($44,281,343).

Which agencies buy the most under NAICS 4883?

The agencies that obligated the most under NAICS 4883 in fiscal years 2026 and 2027 are Department of the Navy ($423,189,545), Department of Transportation ($70,626,567) and Department of the Army ($67,233,762).

Which PSC codes are used with NAICS 4883?

The PSC codes with the most obligated under NAICS 4883 in fiscal years 2026 and 2027 are M2CA Ship Husbanding Services-Management/Integration Service, V124 Marine Charter for Things and V114 Stevedoring.

Where is the work under NAICS 4883 performed?

By place of performance, the states with the most contract obligations under NAICS 4883 over the last 12 months are Florida ($78,158,068), California ($76,190,073) and Virginia ($71,953,583).

What is the latest contract opportunity under NAICS 4883?

The latest contract opportunity under NAICS 4883 is Northeast Ice-Breaking, pre-solicitation, posted October 21, 2026.

On GovTribe

See everything under NAICS 4883

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