NAICS Code 488330: Navigational Services to Shipping
National industry
SBA small business size standard: $47 million in average annual receipts
Definition
This industry comprises establishments primarily engaged in providing navigational services to shipping. Marine salvage establishments are included in this industry.
Government contracts for this service: PSC V124 Marine Charter for Things
Code facts
- Part of
-
-
48-49
-
488
-
4883
- 48833
-
4883
-
488
-
48-49
- Contract awards
- 155 In the last 12 months
- Contract obligations
- $112,479,283 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 488330
- Cargo salvaging, marine
- Docking and undocking marine vessel services
- Harbor tugboat services
- Marine salvaging services
- Marine vessel traffic reporting services
- Piloting services, water transportation
- Radio beacon (i.e., ship navigation) services
- Tugboat services, harbor 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 | $484,805 |
| FY2026 | $120,485,071 |
| FY2025 | $112,479,283 |
| FY2024 | $96,218,849 |
| FY2023 | $88,096,389 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Alpha Marine Services LLC | $46,623,245 | |
| 2 | Pole Star Space Applications USA Inc. | $23,709,905 | |
| 3 | Moran Towing Corporation | $17,970,943 | |
| 4 | P & R Water Taxi LLC | $7,208,169 | |
| 5 | Cabras Marine Corporation | $5,246,750 | |
| 6 | Marine Exchange Of Alaska, Inc. | $2,440,886 | |
| 7 | Foss Maritime Company, Llc. | $2,211,230 | |
| 8 | Mcallister Towing And Transportation Company, Inc. | $2,139,552 | |
| 9 | Dunlap Towing Company | $1,714,238 | |
| 10 | Virginia Pilot Association | $1,607,341 |
See the full FY2025 ranking of NAICS 488330 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $69,839,487 | |
| 2 | Department of Homeland Security | $46,795,051 | |
| 3 | Air Force | $2,636,836 | |
| 4 | Department of the Army | $1,234,535 | |
| 5 | Department of Agriculture | $309,600 | |
| 6 | Department of Commerce | $190,609 | |
| 7 | Department of State | $105,652 | |
| 8 | Department of Transportation | $25,500 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | V124 Marine Charter for Things | $62,322,945 | |
| 2 | 7A21 IT and Telecom – Business Application Software (Perpetual License Software) | $23,709,905 | |
| 3 | R706 Logistics Support Services | $18,598,655 | |
| 4 | V125 Vessel Towing Service | $5,611,239 | |
| 5 | V227 Navigational Aid and Pilotage Services | $2,903,058 | |
| 6 | J020 Maintenance, Repair and Rebuilding of Equipment: Ship and Marine Equipment | $2,636,836 | |
| 7 |
DA01 IT and Telecom – Business Application/ |
$2,440,886 | |
| 8 | F108 Hazardous Substance Removal, Cleanup, and Disposal Services and Operational Support | $857,119 | |
| 9 | M2BZ Husbanding Services-Other Port Services | $433,089 | |
| 10 | M2AA Husbanding Services-Communications Services | $392,230 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Florida | $26,837,960 | |
| 2 | Louisiana | $18,430,441 | |
| 3 | California | $15,615,587 | |
| 4 | Virginia | $15,435,381 | |
| 5 | Georgia | $14,952,760 | |
| 6 | Hawaii | $7,212,372 | |
| 7 | Guam | $4,805,100 | |
| 8 | Maine | $4,159,879 | |
| 9 | Washington | $2,613,803 | |
| 10 | West Virginia | $2,440,886 | |
| 11 | New Jersey | $2,087,032 | |
| 12 | Connecticut | $1,053,512 | |
| 13 | Tennessee | $628,047 | |
| 14 | Maryland | $584,580 | |
| 15 | Alaska | $339,041 | |
| 16 | Arizona | $309,600 | |
| 17 | Pennsylvania | $222,213 | |
| 18 | Wisconsin | $106,250 | |
| 19 | South Carolina | $89,970 | |
| 20 | Mississippi | $15,581 | |
| 21 | Rhode Island | $8,385 |
Show all 21
Shares are of everything obligated under NAICS 488330 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 1,018 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 488330?
NAICS 488330 is Navigational Services to Shipping, a national industry in NAICS 48-49, Transportation and Warehousing.
What is the NAICS code for harbor tugboat services?
The NAICS code for harbor tugboat services is 488330, Navigational Services to Shipping.
What is the NAICS code for marine salvaging services?
The NAICS code for marine salvaging services is 488330, Navigational Services to Shipping.
What is the NAICS code for docking and undocking marine vessel services?
The NAICS code for docking and undocking marine vessel services is 488330, Navigational Services to Shipping.
When did the size standard for NAICS 488330 last change?
The most recent Federal Register rule on record that names NAICS 488330 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 488330?
Federal contracts under NAICS 488330 obligated $112,479,283 in fiscal year 2025 and $417,764,397 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 488330?
The contractors with the most obligated under NAICS 488330 in fiscal years 2026 and 2027 are Alpha Marine Services LLC ($46,623,245), Pole Star Space Applications USA Inc. ($23,709,905) and Moran Towing Corporation ($17,970,943).
Which agencies buy the most under NAICS 488330?
The agencies that obligated the most under NAICS 488330 in fiscal years 2026 and 2027 are Department of the Navy ($69,839,487), Department of Homeland Security ($46,795,051) and Air Force ($2,636,836).
Which PSC codes are used with NAICS 488330?
The PSC codes with the most obligated under NAICS 488330 in fiscal years 2026 and 2027 are V124 Marine Charter for Things, 7A21 IT and Telecom – Business Application Software (Perpetual License Software) and R706 Logistics Support Services.
Where is the work under NAICS 488330 performed?
By place of performance, the states with the most contract obligations under NAICS 488330 over the last 12 months are Florida ($26,837,960), Louisiana ($18,430,441) and California ($15,615,587).
What is the latest contract opportunity under NAICS 488330?
The latest contract opportunity under NAICS 488330 is Harbor Pilot Support Services on and around Okinawa, solicitation from Naval Supply Systems Command (Navy), posted October 29, 2026.
On GovTribe
See everything under NAICS 488330
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