NAICS Code 488310: Port and Harbor Operations
National industry
SBA small business size standard: $47 million in average annual receipts
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
- 48831
-
4883
-
488
-
48-49
- Contract awards
- 1,119 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 | $908,777 |
| FY2026 | $283,951,008 |
| 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. | $101,973,077 | |
| 2 | Waypoint LLC | $57,830,544 | |
| 3 | Inchcape Shipping Services Dubai LLC | $15,094,164 | |
| 4 | Mls-Multinational Logistic Services LIMITED | $10,770,755 | |
| 5 | Oceanetics Inc. | $10,252,352 | |
| 6 | Black Bull Group Inc. | $9,963,748 | |
| 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. | $5,544,274 |
See the full FY2025 ranking of NAICS 488310 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $270,481,203 | |
| 2 | Department of Homeland Security | $11,736,894 | |
| 3 | Department of Commerce | $1,077,614 | |
| 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/ |
$177,157,480 | |
| 2 | M2AC Husbanding Services-Removal Services | $28,615,555 | |
| 3 | M2BA Husbanding Services-Transportation Services | $26,175,834 | |
| 4 | J019 Maintenance, Repair and Rebuilding of Equipment: Ships, Small Craft, Pontoons, and Floating Docks | $15,260,429 | |
| 5 | 1945 Pontoons and Floating Docks | $10,338,352 | |
| 6 | M2BZ Husbanding Services-Other Port Services | $7,632,732 | |
| 7 | M2AB Husbanding Services-Force Protection | $6,580,840 | |
| 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 | $29,649,649 | |
| 2 | Florida | $19,052,919 | |
| 3 | U.S. Virgin Islands | $18,239,281 | |
| 4 | Puerto Rico | $14,816,534 | |
| 5 | Maryland | $11,294,599 | |
| 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 | $2,617,243 | |
| 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 | South Carolina | $508,414 | |
| 22 | Rhode Island | $498,696 | |
| 23 | Alaska | $359,955 | |
| 24 | Michigan | $123,162 | |
| 25 | American Samoa | $114,900 | |
| 26 | South Dakota | $108,404 | |
| 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 488310 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 918 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 488310?
NAICS 488310 is Port and Harbor Operations, a national 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.
What is the NAICS code for wharf operation?
The NAICS code for wharf operation is 488310, Port and Harbor Operations.
What is the NAICS code for harbor operation?
The NAICS code for harbor operation is 488310, Port and Harbor Operations.
When did the size standard for NAICS 488310 last change?
The most recent Federal Register rule on record that names NAICS 488310 in the SBA's size standards is "Small Business Size Standards: Adjustment of Monetary-Based Size Standards, Disadvantage Thresholds, and 8(a) Eligibility Thresholds for Inflation" (87 FR 69118), published Nov 17, 2022 and effective Dec 19, 2022.
How much do federal agencies spend under NAICS 488310?
Federal contracts under NAICS 488310 obligated $310,764,160 in fiscal year 2025 and $1,237,857,389 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 488310?
The contractors with the most obligated under NAICS 488310 in fiscal years 2026 and 2027 are S.C.A. - Shipping Consultants Associated LTD. ($101,973,077), Waypoint LLC ($57,830,544) and Inchcape Shipping Services Dubai LLC ($15,094,164).
Which agencies buy the most under NAICS 488310?
The agencies that obligated the most under NAICS 488310 in fiscal years 2026 and 2027 are Department of the Navy ($270,481,203), Department of Homeland Security ($11,736,894) and Department of Commerce ($1,077,614).
Which PSC codes are used with NAICS 488310?
The PSC codes with the most obligated under NAICS 488310 in fiscal years 2026 and 2027 are M2CA Ship Husbanding Services-Management/
Where is the work under NAICS 488310 performed?
By place of performance, the states with the most contract obligations under NAICS 488310 over the last 12 months are New York ($29,649,649), Florida ($19,052,919) and the U.S. Virgin Islands ($18,239,281).
What is the latest contract opportunity under NAICS 488310?
The latest contract opportunity under NAICS 488310 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.
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