What government contracts are open under NAICS 488390?
As of October 9, 2026, RFPFinder lists no open government RFPs under NAICS 488390 (Other Support Activities for Water Transportation). New notices under this code appear here the day they post.
No open notices under 488390 right now.
Questions
What is NAICS 488390?
NAICS 488390 is the 2022 NAICS industry code for Other Support Activities for Water Transportation. The SBA small-business size standard for it is $47M revenue.
Where do NAICS 488390 RFPs get posted?
Federal notices under NAICS 488390 get posted on SAM.gov, and state and local buyers post on their own procurement portals. RFPFinder collects both into this list, soonest deadline first.
Can I get alerts for NAICS 488390 RFPs?
Yes. Pro members ($39/mo) add NAICS codes to their fit profile, and matching notices are badged and alerted. The free daily digest follows one category or one state.