United Parcel Service is the world's largest express carrier and package delivery company. The company provides specialized transportation and logistics services in the United States and internationally. UPS offers a range of supply chain solutions, such as, freight forwarding, customs brokerage, fulfillment, returns, financial transactions, and repairs. UPS transports millions of packages each business day across the globe. UPS operates a ground fleet of multiple vehicles in the United States. The company has a ground fleet of package cars, vans, tractors and motorcycles across the globe. The U.S. domestic package operations involve ground delivery services, deferred air delivery, and next day air services. Opeartions include the time-definited delivery of letters, documents and packages throughout the country. The International package operations encompass delivery of letters, documents and packages worldwide, including shipments outside the U.S.