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Open federal opportunities in NAICS 488310 (Port And Harbor Operations)

There are currently 4 open federal opportunities indexed under NAICS 488310, from 2 agencies. 3 close in the next 14 days. 25% carry a small-business or socio-economic set-aside.

NAICS 488310 sits in industry group 4883 (Support Activities For Water Transportation), part of the Transportation And Warehousing sector. It's the code contracting officers assign to say which industry a requirement belongs to, and it sets the size standard a firm must meet to compete for any small-business set-aside.

Open now
4
Closing in 14 days
3
Set aside
25%

Agencies buying most in this space

Department of Defense posted 50% of the open NAICS 488310 notices.

  • Department of Defense2 open
  • Department of Homeland Security2 open

Where these opportunities are in the process

  • Sources sought: early market research; a chance to shape the requirement1
  • Solicitation: open for bids now1
  • Combined synopsis/solicitation: open for bids now, usually a simpler buy2

Set-asides

A set-aside limits who can bid. If your firm holds the matching certification and meets the size standard for NAICS 488310, these are the opportunities with the fewest competitors.

  • No set-aside (full and open)3 (75%)
  • Small business1 (25%)

Closing next

Primes that subcontract in NAICS 488310

Prime contractors with the most distinct subcontractors on reported subawards in this code. A good place to start if you'd rather team than bid alone.

  • OCEANETICS INC9 subs
  • ALUTIIQ TECHNICAL SERVICES LLC1 subs

Which of these could you actually win?

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Related NAICS codes with open work

Source: SAM.gov opportunity data and FSRS subaward data indexed by WinnableGov · as of November 12, 2026. Counts reflect open notices with a future response deadline. NAICS 488310 (Port And Harbor Operations) data refreshes hourly.