NAICS 48831in4883:Support Activities for Water Transportation

Port and Harbor Operations

27 active contract opportunities

27

Active Opportunities

25

Posted Last 7 Days

30 days

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Top Industries

  • Port and Harbor Operations27

Set-Aside Distribution

  • 23
  • Small Business3
  • No Set Aside1

Top Locations

  • MO15
  • VA3
  • FL2
  • HI2
  • OR2

About NAICS48831

The North American Industry Classification System (NAICS) code 48831 covers port and harbor operations. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

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M-PROVIDE A MOBILE CRANE TO THE NOAA SHIP THOMAS JEF

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Mar 23, 2026

NDSTC Craft Operations

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 488310
Posted Mar 18, 2026
Due Apr 1, 2026

F-Provide Boom for approx. 8 refueling evolutions, a

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Mar 13, 2026

FY6 MT-Dillon Boat Docks

INTERIOR, DEPARTMENT OF THE
BILLINGS, MT
NAICS 488310
Posted Mar 2, 2026
Due Apr 2, 2026

Tugboat Services for LaGrange Lock and Dam

DEPT OF DEFENSE
ROCK ISLAND, IL
NAICS 488310
Posted Feb 27, 2026
Small Business

M-Moorage - Port Call St. Thomas Virgin Islands

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Feb 24, 2026

M-PROVIDE TRANSIT THROUGH THE ST LAWRENCE SEAWAY AND

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Feb 9, 2026

F-Per SOW. To provide Boom for fuel evolutions, and

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Jan 13, 2026

Sole Source Award Notice - JAXPORT N6883625PS117

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 488310
Posted Sep 26, 2025
No Set Aside

M-NOAA Ships operating in Alaska require moorage in

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Sep 24, 2025

M-NOAA SHIP(S) CHARLESTON, SC. HUSBANDRY SERVICES

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Sep 24, 2025

M-NOAA Ships operating in Alaska require moorage in

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Sep 24, 2025

M-Ship Husbanding and Associated Services in Port Ev

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Sep 23, 2025

M-Port Agent Services for NOAA Ship Okeanos Explorer

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Sep 19, 2025

J-Salem Maritime National Historic Site Central Whar

INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 488310
Posted Sep 16, 2025

M-Guam Port Services

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted Jul 31, 2025

M-NOAA SHIP FAIRWEATHER DUTCH HARBOR, ALASKA HUSBAND

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted May 30, 2025

M-NOAA SHIP FAIRWEATHER NOME, ALASKA HUSBANDRY SERVI

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted May 28, 2025

M-PROVIDE HUSBANDRY SERVICES TO THE NOAA SHIP FAIRWE

COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 488310
Posted May 15, 2025

Coos Bay Docking Services 2025

DEPT OF DEFENSE
PORTLAND, OR
NAICS 488310
Posted Apr 22, 2025
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