NAICS Code 488390: Other Support Activities for Water Transportation
National industry
SBA small business size standard: $47 million in average annual receipts
Definition
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).
Code facts
- Part of
-
-
48-49
-
488
-
4883
- 48839
-
4883
-
488
-
48-49
- Contract awards
- 363 In the last 12 months
- Contract obligations
- $215,023,671 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 488390
- Cargo checkers, marine
- Cargo surveyors, marine
- Drydocks, floating (i.e., routine repair and maintenance of ships)
- Marine cargo checkers and surveyors
- Ship dismantling at floating drydock
- Ship scaling services not done at a shipyard
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 | $67,989 |
| FY2026 | $174,133,476 |
| FY2025 | $215,023,671 |
| FY2024 | $216,090,461 |
| FY2023 | $185,821,919 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Global Pcci (Gpc) | $44,568,835 | |
| 2 | Navcor Logistics LLC | $23,000,000 | |
| 3 | Talton Marine Terminal, LLC | $15,434,538 | |
| 4 | Pacific Layberthing South, LLC | $11,514,036 | |
| 5 | Dhnc Inc. | $7,083,720 | |
| 6 | California Sealift Terminals, Inc. | $6,602,489 | |
| 7 | Dixie Marine Inc. | $6,571,343 | |
| 8 | Yokohama Dock Co., LTD. | $6,201,220 | |
| 9 | Port Of Vancouver | $6,006,143 | |
| 10 | Maryland Maritime, Inc. | $5,256,360 |
See the full FY2025 ranking of NAICS 488390 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Transportation | $70,601,067 | |
| 2 | Department of the Navy | $64,957,782 | |
| 3 | Department of Agriculture | $23,030,059 | |
| 4 | Department of the Army | $7,221,381 | |
| 5 | Department of Homeland Security | $4,081,751 | |
| 6 | Defense Logistics Agency | $1,714,613 | |
| 7 | Air Force | $1,273,355 | |
| 8 | Department of Commerce | $923,561 | |
| 9 | Department of the Interior | $227,095 | |
| 10 | Department of State | $112,554 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | J036 Maintenance, Repair and Rebuilding of Equipment: Special Industry Machinery | $44,568,835 | |
| 2 | V119 Other Cargo and Freight Services | $37,720,739 | |
| 3 | H999 Other Quality Control, Testing and Inspection Services: Miscellaneous | $23,000,000 | |
| 4 |
X1PZ Lease/ |
$16,897,325 | |
| 5 | J019 Maintenance, Repair and Rebuilding of Equipment: Ships, Small Craft, Pontoons, and Floating Docks | $12,951,447 | |
| 6 | J020 Maintenance, Repair and Rebuilding of Equipment: Ship and Marine Equipment | $11,862,413 | |
| 7 | AS32 Transportation R&D Services; Water Transportation; Applied Research | $7,536,841 | |
| 8 | R425 Engineering and Technical Services | $6,808,284 | |
| 9 | V124 Marine Charter for Things | $2,755,402 | |
| 10 | 2040 Marine Hardware and Hull Items | $2,466,893 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | California | $60,053,951 | |
| 2 | Virginia | $42,624,729 | |
| 3 | Florida | $16,043,329 | |
| 4 | Maryland | $8,090,012 | |
| 5 | District of Columbia | $6,727,698 | |
| 6 | Washington | $6,703,909 | |
| 7 | Louisiana | $6,595,912 | |
| 8 | New Jersey | $3,049,398 | |
| 9 | Texas | $2,417,724 | |
| 10 | Mississippi | $1,998,060 | |
| 11 | Pennsylvania | $1,890,223 | |
| 12 | Puerto Rico | $1,001,368 | |
| 13 | Alaska | $959,620 | |
| 14 | North Carolina | $924,864 | |
| 15 | Idaho | $744,940 | |
| 16 | South Carolina | $650,658 | |
| 17 | Hawaii | $560,956 | |
| 18 | Guam | $477,050 | |
| 19 | Michigan | $248,539 | |
| 20 | Massachusetts | $176,260 | |
| 21 | Georgia | $82,080 | |
| 22 | Missouri | $58,000 | |
| 23 | Montana | $34,000 | |
| 24 | U.S. Virgin Islands | $30,000 | |
| 25 | Iowa | $22,790 | |
| 26 | Ohio | $22,250 |
Show all 26
Shares are of everything obligated under NAICS 488390 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 1,185 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 488390?
NAICS 488390 is Other Support Activities for Water Transportation, a national industry in NAICS 48-49, Transportation and Warehousing.
What is the NAICS code for marine cargo checkers and surveyors?
The NAICS code for marine cargo checkers and surveyors is 488390, Other Support Activities for Water Transportation.
What is the NAICS code for ship dismantling at floating drydock?
The NAICS code for ship dismantling at floating drydock is 488390, Other Support Activities for Water Transportation.
What is the NAICS code for cargo checkers, marine?
The NAICS code for cargo checkers, marine is 488390, Other Support Activities for Water Transportation.
When did the size standard for NAICS 488390 last change?
The most recent Federal Register rule on record that names NAICS 488390 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 488390?
Federal contracts under NAICS 488390 obligated $215,023,671 in fiscal year 2025 and $791,137,517 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 488390?
The contractors with the most obligated under NAICS 488390 in fiscal years 2026 and 2027 are Global Pcci (Gpc) ($44,568,835); Navcor Logistics LLC ($23,000,000); and Talton Marine Terminal, LLC ($15,434,538).
Which agencies buy the most under NAICS 488390?
The agencies that obligated the most under NAICS 488390 in fiscal years 2026 and 2027 are Department of Transportation ($70,601,067), Department of the Navy ($64,957,782) and Department of Agriculture ($23,030,059).
Which PSC codes are used with NAICS 488390?
The PSC codes with the most obligated under NAICS 488390 in fiscal years 2026 and 2027 are J036 Maintenance, Repair and Rebuilding of Equipment: Special Industry Machinery; V119 Other Cargo and Freight Services; and H999 Other Quality Control, Testing and Inspection Services: Miscellaneous.
Where is the work under NAICS 488390 performed?
By place of performance, the states with the most contract obligations under NAICS 488390 over the last 12 months are California ($60,053,951), Virginia ($42,624,729) and Florida ($16,043,329).
What is the latest contract opportunity under NAICS 488390?
The latest contract opportunity under NAICS 488390 is Notice of Intent to Sole-Source Offshore Support Vessel, special notice, posted October 30, 2026.
On GovTribe
See everything under NAICS 488390
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