Industry: 4311—United States Postal Service
This industry includes all establishments of the U.S. Postal Service.| United States Postal Service |
| Codes | Titles | Total Marketable US Businesses |
|---|---|---|
| 4311 | U.S. Postal Service | 31,202 |
| 431100 | U.s. postal service | 31,202 |
| 43110000 | U.S. postal service | 31,202 |