NAICS codes / 561431
NAICS 561431: Private Mail Centers — open federal opportunities
2 open notices on SAM.gov. Top buyers: HOMELAND SECURITY, DEPARTMENT OF (2).
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Inbound Mail Operations - Notice
HOMELAND SECURITY, DEPARTMENT OF · FEDERAL EMERGENCY MANAGEMENT AGENCY · Presolicitation · posted Oct 29, 2026
Outbound Mail Operations - Notice
HOMELAND SECURITY, DEPARTMENT OF · FEDERAL EMERGENCY MANAGEMENT AGENCY · Presolicitation · posted Oct 29, 2026
Related NAICS codes (industry group 5614)
- 561492 Court Reporting and Stenotype Services (6 open)
- 561499 All Other Business Support Services (3 open)
- 561422 Telemarketing Bureaus and Other Contact Centers (1 open)
How NAICS codes decide small business size: NAICS codes for small business · notice types explained · set-asides