NAICS Code 48831: Port and Harbor Operations
NAICS industry
Definition
This industry comprises establishments primarily engaged in operating ports, harbors (including docking and pier facilities), or canals.
Government contracts for this service: PSC M2CA Ship Husbanding Services-Management and Integration Service
Code facts
- Part of
-
-
48-49
-
488
- 4883
-
488
-
48-49
- Codes under it
- 1
- Contract awards
- 1,121 In the last 12 months
- Contract obligations
- $310,764,160 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 488310
- Canal maintenance services (except dredging)
- Canal operation
- Docking facility operations
- Harbor maintenance services (except dredging)
- Harbor operation
- Lighthouse operation
- Maintenance services, waterfront terminal (except dredging)
- Port facility operation
- Seaway operation
- Waterfront terminal operation (e.g., docks, piers, wharves)
- Wharf operation
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $825,611 |
| FY2026 | $287,016,198 |
| FY2025 | $310,764,160 |
| FY2024 | $347,499,474 |
| FY2023 | $294,733,971 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | S.C.A. - Shipping Consultants Associated LTD. | $102,769,969 | |
| 2 | Waypoint LLC | $58,054,284 | |
| 3 | Inchcape Shipping Services Dubai LLC | $15,943,845 | |
| 4 | Oceanetics Inc. | $10,950,351 | |
| 5 | Mls-Multinational Logistic Services LIMITED | $10,935,484 | |
| 6 | Black Bull Group Inc. | $10,000,561 | |
| 7 | Metson Marine Services, Inc. | $9,255,816 | |
| 8 | Mlsusa Corp | $8,388,378 | |
| 9 | Kira Construction Management LLC | $6,137,257 | |
| 10 | Parsh Marine (S) Pte. LTD. | $5,638,144 |
See the full FY2025 ranking of NAICS 48831 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $273,546,392 | |
| 2 | Department of Homeland Security | $11,791,176 | |
| 3 | Department of Commerce | $940,166 | |
| 4 | Department of the Army | $853,253 | |
| 5 | Department of the Interior | $527,362 | |
| 6 | US Special Operations Command | $165,000 | |
| 7 | Department of State | $18,459 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 |
M2CA Ship Husbanding Services-Management/ |
$179,074,653 | |
| 2 | M2AC Husbanding Services-Removal Services | $28,916,075 | |
| 3 | M2BA Husbanding Services-Transportation Services | $26,360,744 | |
| 4 | J019 Maintenance, Repair and Rebuilding of Equipment: Ships, Small Craft, Pontoons, and Floating Docks | $15,240,429 | |
| 5 | 1945 Pontoons and Floating Docks | $11,036,351 | |
| 6 | M2BZ Husbanding Services-Other Port Services | $7,495,284 | |
| 7 | M2AB Husbanding Services-Force Protection | $6,599,171 | |
| 8 | 1990 Miscellaneous Vessels | $4,355,831 | |
| 9 | M1PZ Operation of Other Non-Building Facilities | $4,094,230 | |
| 10 | W099 Lease or Rental of Equipment: Miscellaneous | $1,095,370 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | New York | $29,648,722 | |
| 2 | Florida | $19,059,842 | |
| 3 | U.S. Virgin Islands | $18,239,281 | |
| 4 | Puerto Rico | $14,812,338 | |
| 5 | Maryland | $11,992,598 | |
| 6 | Pennsylvania | $5,734,788 | |
| 7 | Wisconsin | $5,190,640 | |
| 8 | Massachusetts | $4,692,467 | |
| 9 | Alabama | $4,543,986 | |
| 10 | Texas | $4,189,521 | |
| 11 | Guam | $3,054,755 | |
| 12 | Virginia | $2,622,881 | |
| 13 | Louisiana | $1,624,458 | |
| 14 | Hawaii | $1,436,936 | |
| 15 | California | $1,334,999 | |
| 16 | North Carolina | $1,215,942 | |
| 17 | Maine | $1,093,154 | |
| 18 | Ohio | $943,650 | |
| 19 | Oregon | $776,265 | |
| 20 | Washington | $542,612 | |
| 21 | Rhode Island | $498,696 | |
| 22 | South Carolina | $477,862 | |
| 23 | Alaska | $395,903 | |
| 24 | South Dakota | $134,743 | |
| 25 | Michigan | $123,162 | |
| 26 | American Samoa | $114,900 | |
| 27 | Montana | $86,000 | |
| 28 | Mississippi | $85,527 | |
| 29 | New Mexico | $74,440 | |
| 30 | Illinois | $18,000 | |
| 31 | New Jersey | $15,798 | |
| 32 | Northern Mariana Islands | $11,450 | |
| 33 | District of Columbia | $11,304 |
Show all 33
Shares are of everything obligated under NAICS 48831 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 924 listed here. See the rest on GovTribe.
Codes under 48831
| NAICS code | Size standard |
|---|---|
| 488310 Port and Harbor Operations | $47 million in average annual receipts |
Quick answers
What is NAICS 48831?
NAICS 48831 is Port and Harbor Operations, a NAICS industry in NAICS 48-49, Transportation and Warehousing.
What is the NAICS code for canal operation?
The NAICS code for canal operation is 488310, Port and Harbor Operations. Its SBA small business size standard is $47 million in average annual receipts.
What is the NAICS code for wharf operation?
The NAICS code for wharf operation is 488310, Port and Harbor Operations. Its SBA small business size standard is $47 million in average annual receipts.
What is the NAICS code for harbor operation?
The NAICS code for harbor operation is 488310, Port and Harbor Operations. Its SBA small business size standard is $47 million in average annual receipts.
What codes are under NAICS 48831?
NAICS 48831 has one code under it with its own GovTribe page, 488310 Port and Harbor Operations.
How much do federal agencies spend under NAICS 48831?
Federal contracts under NAICS 48831 obligated $310,764,160 in fiscal year 2025 and $1,240,839,413 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 48831?
The contractors with the most obligated under NAICS 48831 in fiscal years 2026 and 2027 are S.C.A. - Shipping Consultants Associated LTD. ($102,769,969), Waypoint LLC ($58,054,284) and Inchcape Shipping Services Dubai LLC ($15,943,845).
Which agencies buy the most under NAICS 48831?
The agencies that obligated the most under NAICS 48831 in fiscal years 2026 and 2027 are Department of the Navy ($273,546,392), Department of Homeland Security ($11,791,176) and Department of Commerce ($940,166).
Which PSC codes are used with NAICS 48831?
The PSC codes with the most obligated under NAICS 48831 in fiscal years 2026 and 2027 are M2CA Ship Husbanding Services-Management/
Where is the work under NAICS 48831 performed?
By place of performance, the states with the most contract obligations under NAICS 48831 over the last 12 months are New York ($29,648,722), Florida ($19,059,842) and the U.S. Virgin Islands ($18,239,281).
What is the latest contract opportunity under NAICS 48831?
The latest contract opportunity under NAICS 48831 is SWFLANT Support, Near Port Security Barrier Operations and Waterfront Restricted Area Gate Openings and Closings, Naval Submarine Base Kings Bay, Georgia, pre-solicitation from Naval Strategic Systems Programs (Navy), posted November 4, 2026.
On GovTribe
See everything under NAICS 48831
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
- Ask GovTribe AI about this code