United States Postal Service
An independent federal agency, the U.S. Postal Service is the only delivery service that reaches every address in the nation, 149 million residences, businesses and PO Boxes, 6 days a week. It relies on the sale of postage, products and services, not tax dollars, to pay for operating expenses. Named the Most Trusted Government Agency 5 consecutive years by the Ponemon Institute, the Postal Service has annual revenue of $75 billion and delivers nearly half the world\'s mail.