North American Industry Classification System (NAICS) code 4911 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
- Official title
- Postal Service
- Code level
- 4
- Parent industry
- Postal Service 491
- Open opportunities
- 0 open · 0 active
Source and edition
2022 NAICS Manual definition and reference material from the U.S. Census Bureau.