Other Support Activities for Water Transportation government contracts
5 open Other Support Activities for Water Transportation notices under NAICS 488390 right now. Federal buyers posted 10 since Aug 7, 2026.
Latest Other Support Activities for Water Transportation notices
Open notices first, soonest deadline first. Recently closed ones follow, so you can see what gets bought. Every row links to the official record.
Agencies buying Other Support Activities for Water Transportation
Who posted notices under NAICS 488390 since Aug 7, 2026, busiest first.
| Agency | Notices | Open now |
|---|---|---|
| Department of the Navy Department of Defense | 7 | 3 |
| U.S. Coast Guard Department of Homeland Security | 3 | 2 |
Every federal buyer is listed in the agency directory.
Who wins Other Support Activities for Water Transportation contracts
Contractors ranked by value obligated on NAICS 488390 awards.
| Contractor | Awards | Obligated |
|---|---|---|
| Global Pcci (GPC) UEI HNMXEN889SL1 | 55 | $144M |
| Donjon Marine Co., LLC UEI GRXJZ31K6LN9 | 15 | $103M |
| Pacific Layberthing South, LLC UEI T3BPE9DHH8X5 | 6 | $63.5M |
| Talton Marine Terminal, LLC UEI X9DTM4MRD6H1 | 6 | $53.4M |
| Seaward Marine Services, LLC UEI JW63VMCWX4M4 | 5 | $50.5M |
| Smit Salvage Americas, LLC UEI JNRNG9BMKVT8 | 14 | $44.4M |
| California Sealift Terminals, Inc UEI NJ9EMUPNLN53 | 3 | $36M |
| Maryland Maritime, Inc. UEI KMMMK79EP5K3 | 4 | $26.7M |
| Pasha Hawaii Holdings LLC UEI L7XNUDRCAU36 | 3 | $25.8M |
| Great Eastern Group, Inc. UEI PPNLYGMKYMH5 | 6 | $23.4M |
From federal award records of $1M or more since October 2023. More in the contractor directory.
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Questions people ask
What is NAICS 488390?
NAICS 488390 is the federal industry code for Other Support Activities for Water Transportation. Agencies attach it to solicitations for this work, and it decides which small business size standard applies.
Are these real government contracts?
Yes. Every row comes from the public feed of the official source, most often SAM.gov, and links straight to the official notice. Confirm deadlines and amendments there before you respond.
Will this page list every open Other Support Activities for Water Transportation bid?
No single search can. Agencies sometimes file this work under a neighboring code or describe it differently. Use this page to find leads fast, then check scope, eligibility, and attachments in the official notice.
How often is this page updated?
The list refreshes through the day from the same opportunity database that powers Captivaq. It currently tracks 5 open notices.
How do I hear about new ones without checking back?
Captivaq watches the sources against your company profile and alerts you when a fitting notice posts, then scores the fit and drafts the response. That is the product behind this page.
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More codes like this one are in transportation and warehousing. Bidding in Canada? Tenders there classify work by UNSPSC rather than NAICS; start from Canadian government tenders.
Captivaq is an independent service from Logesta Labs LLC and is not affiliated with or endorsed by the U.S. government or SAM.gov. The notice on the official source portal is the record that governs; confirm deadlines and amendments there.