What government contracts are open under NAICS 561431?
As of October 11, 2026, RFPFinder lists no open government RFPs under NAICS 561431 (Private Mail Centers). New notices under this code appear here the day they post.
No open notices under 561431 right now.
Questions
What is NAICS 561431?
NAICS 561431 is the 2022 NAICS industry code for Private Mail Centers. The SBA small-business size standard for it is $19M revenue.
Where do NAICS 561431 RFPs get posted?
Federal notices under NAICS 561431 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 561431 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.