NAICS 48831 - Port and Harbor Operations

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NAICS Code Industry Title
488310 Port and Harbor Operations

What is NAICS 48831

NAICS code 48831 pertains to Port and Harbor Operations, encompassing establishments primarily engaged in managing and operating ports and harbors. This sector includes activities such as docking, mooring, cargo handling, and the maintenance of port facilities. Businesses in this sector facilitate the efficient movement and storage of goods and vessels, playing a critical role in maritime commerce and transportation infrastructure. Operators may manage public or private ports, offering services that ensure smooth vessel arrivals, departures, and cargo transfers.

Government agencies contract for these services to support national security, economic development, and infrastructure maintenance. Efficient port operations are vital to ensuring supply chain continuity, especially for defense logistics, customs enforcement, and disaster response. Contracts in this sector help maintain critical maritime infrastructure and ensure compliance with regulatory standards, thereby safeguarding the nation’s maritime interests.

Breakdown for NAICS 48831

  • Covers establishments managing and operating ports and harbors.
  • Includes cargo handling, vessel docking, and facility maintenance.
  • Applies to both public and private port operators.
  • Supports maritime commerce, defense, and infrastructure needs.
  • Subject to SBA size standards relevant to government contracting.

Included Activities for NAICS 48831

  • Coordinating vessel arrivals and departures.
  • Managing cargo loading and unloading operations.
  • Maintaining docks, piers, and related infrastructure.
  • Operating navigational aids and vessel traffic services.
  • Ensuring compliance with maritime safety regulations.
  • Providing security and surveillance at port facilities.
  • Supporting emergency response and disaster recovery efforts.

Business Types for NAICS 48831

  • Public port authorities and commissions.
  • Private port operating companies.
  • Maritime logistics and cargo handling firms.
  • Harbor maintenance and infrastructure contractors.
  • Specialized maritime security service providers.

Government Buyers for NAICS 48831

Federal agencies such as the U.S. Army Corps of Engineers, the Department of Transportation, and the Department of Homeland Security frequently procure port and harbor operation services. State and local government entities also engage these services to support regional economic activity and infrastructure upkeep. These agencies require port and harbor operators to manage vessel traffic, maintain navigational aids, and coordinate cargo handling to ensure that maritime commerce and defense operations proceed without disruption.

Contract Types & Procurement for NAICS 48831

Contracts in this NAICS sector often involve firm-fixed-price, cost-reimbursement, and indefinite delivery/indefinite quantity (IDIQ) procurement methods. Government contracts can range from short-term service agreements to multi-year infrastructure management contracts. Typical contract values vary widely, from modest service contracts under $100,000 to multimillion-dollar agreements for large port operations or modernization projects, depending on the scope, scale, and complexity of the port facilities involved.

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