NAICS Code 48311: Deep Sea, Coastal, and Great Lakes Water Transportation
NAICS industry
Definition
This industry comprises establishments primarily engaged in providing deep sea, coastal, Great Lakes, and St. Lawrence Seaway water transportation. Marine transportation establishments using the facilities of the St. Lawrence Seaway Authority Commission are considered to be using the Great Lakes Water Transportation System.
Government contracts for this service: PSC V124 Marine Charter for Things and PSC M1PZ Operation of Other Non-Building Facilities
Code facts
- Part of
-
-
48-49
-
483
- 4831
-
483
-
48-49
- Codes under it
- 4
- Contract awards
- 1,235 In the last 12 months
- Contract obligations
- $3,348,373,858 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.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | -$4,706,234 |
| FY2026 | $3,265,522,056 |
| FY2025 | $3,348,373,858 |
| FY2024 | $3,419,306,975 |
| FY2023 | $3,356,502,139 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Crowley Government Services, Inc. | $577,987,562 | |
| 2 | Patriot Contract Services, LLC | $354,007,858 | |
| 3 | Tote Services, LLC | $266,397,562 | |
| 4 | Ocean Ships, Inc. | $215,849,585 | |
| 5 | American Roll-On Roll-Off Carrier, LLC | $133,182,366 | |
| 6 | Schuyler Line Navigation Company LLC | $129,447,074 | |
| 7 | Transoceanic Cable Ship Company LLC | $114,349,408 | |
| 8 | U.s. Marine Management, LLC | $111,378,277 | |
| 9 | Hornbeck Offshore Operators LLC | $104,398,045 | |
| 10 | Waterman Transport Inc. | $85,222,629 |
See the full FY2025 ranking of NAICS 48311 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $2,646,895,778 | |
| 2 | Air Force | $483,963,010 | |
| 3 | Department of Transportation | $57,575,421 | |
| 4 | Missile Defense Agency | $18,816,322 | |
| 5 | Department of Commerce | $17,487,945 | |
| 6 | Department of Homeland Security | $15,691,357 | |
| 7 | Department of the Army | $8,746,250 | |
| 8 | Environmental Protection Agency | $5,350,000 | |
| 9 | Department of the Interior | $3,325,013 | |
| 10 | Department of Agriculture | $2,931,558 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | V124 Marine Charter for Things | $1,784,990,386 | |
| 2 | M1PZ Operation of Other Non-Building Facilities | $923,952,400 | |
| 3 | V115 Vessel Freight | $495,263,766 | |
| 4 | L019 Technical Representation Services: Ships, Small Craft, Pontoons, and Floating Docks | $32,821,640 | |
| 5 | 1910 Transport Vessels, Passenger and Troop | $9,966,420 | |
| 6 | V214 Marine Passenger Service | $5,524,285 | |
| 7 |
R427 Weather Reporting/ |
$3,281,250 | |
| 8 | V119 Other Cargo and Freight Services | $2,063,272 | |
| 9 | V224 Passenger Marine Charter Service | $1,399,845 | |
| 10 | V125 Vessel Towing Service | $923,212 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Florida | $660,617,107 | |
| 2 | California | $460,746,869 | |
| 3 | Virginia | $365,957,894 | |
| 4 | Texas | $316,698,677 | |
| 5 | Louisiana | $179,886,367 | |
| 6 | Maryland | $107,139,688 | |
| 7 | New York | $79,498,159 | |
| 8 | Oregon | $75,753,373 | |
| 9 | Hawaii | $68,831,974 | |
| 10 | Pennsylvania | $67,446,130 | |
| 11 | Alabama | $67,275,955 | |
| 12 | Washington | $65,014,527 | |
| 13 | District of Columbia | $39,615,473 | |
| 14 | North Carolina | $38,663,587 | |
| 15 | Indiana | $31,997,257 | |
| 16 | South Carolina | $31,970,259 | |
| 17 | Mississippi | $17,020,090 | |
| 18 | Colorado | $13,126,771 | |
| 19 | Wisconsin | $5,634,267 | |
| 20 | Alaska | $4,490,726 | |
| 21 | Northern Mariana Islands | $3,000,000 | |
| 22 | Michigan | $2,170,695 | |
| 23 | Puerto Rico | $1,511,205 | |
| 24 | Massachusetts | $1,384,204 | |
| 25 | Illinois | $1,330,285 | |
| 26 | Georgia | $306,697 | |
| 27 | U.S. Virgin Islands | $223,425 | |
| 28 | Guam | $112,009 | |
| 29 | Ohio | $10,560 | |
| 30 | Connecticut | $10,000 |
Show all 30
Shares are of everything obligated under NAICS 48311 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 6,345 listed here. See the rest on GovTribe.
Codes under 48311
| NAICS code | Size standard |
|---|---|
| 483111 Deep Sea Freight Transportation | 1,050 employees |
| 483112 Deep Sea Passenger Transportation | 1,500 employees |
| 483113 Coastal and Great Lakes Freight Transportation | 800 employees |
| 483114 Coastal and Great Lakes Passenger Transportation | 550 employees |
Quick answers
What is NAICS 48311?
NAICS 48311 is Deep Sea, Coastal, and Great Lakes Water Transportation, a NAICS industry in NAICS 48-49, Transportation and Warehousing.
What codes are under NAICS 48311?
NAICS 48311 has 4 codes under it with their own GovTribe pages, including 483111 Deep Sea Freight Transportation, 483112 Deep Sea Passenger Transportation and 483113 Coastal and Great Lakes Freight Transportation.
How much do federal agencies spend under NAICS 48311?
Federal contracts under NAICS 48311 obligated $3,348,373,858 in fiscal year 2025 and $13,384,998,794 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 48311?
The contractors with the most obligated under NAICS 48311 in fiscal years 2026 and 2027 are Crowley Government Services, Inc. ($577,987,562); Patriot Contract Services, LLC ($354,007,858); and Tote Services, LLC ($266,397,562).
Which agencies buy the most under NAICS 48311?
The agencies that obligated the most under NAICS 48311 in fiscal years 2026 and 2027 are Department of the Navy ($2,646,895,778), Air Force ($483,963,010) and Department of Transportation ($57,575,421).
Which PSC codes are used with NAICS 48311?
The PSC codes with the most obligated under NAICS 48311 in fiscal years 2026 and 2027 are V124 Marine Charter for Things, M1PZ Operation of Other Non-Building Facilities and V115 Vessel Freight.
Where is the work under NAICS 48311 performed?
By place of performance, the states with the most contract obligations under NAICS 48311 over the last 12 months are Florida ($660,617,107), California ($460,746,869) and Virginia ($365,957,894).
What is the latest contract opportunity under NAICS 48311?
The latest contract opportunity under NAICS 48311 is 30-day dry cargo time charter, pre-solicitation from Military Sealift Command (Navy), posted November 9, 2026.
On GovTribe
See everything under NAICS 48311
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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- Ask GovTribe AI about this code