is usps the same thing as ups? While both USPS and UPS are shipping carriers, they offer different services and have distinct operating models. USPS is a government-run postal service that focuses on delivering mail and packages to both domestic and international destinations. UPS is a private company that specializes in package delivery and logistics services, offering a variety of shipping options, including ground, air, and express services. For businesses, selecting the right carrier depends on factors like delivery speed, cost, and package size.