The United States Postal Service (USPS) Employing 596,000 workers and over 218,000 vehicles, it is also the second-largest civilian employer in the United States (after Wal-Mart). Since its reorganization into an independent organization, the USPS has become self-sufficient and has not directly received taxpayer-dollars since the early 1980s. However it is currently borrowing money from the U.S. Treasury to pay its deficits
Home / Questions / What agency of the US government is the operator of the largest civilian vehicle fleet in the world?