SIC 4311 United States Postal Service
SIC Code:
4311
Code Title:
United States Postal Service
Code Division:
E - Transportation, Communications, Electric, Gas, And Sanitary Services
SIC 4311 United States Postal Service Description
This industry includes all establishments of the U.S. Postal Service.
- United States Postal Service
SIC 4311 to NAICS Crosswalk