United Parcel Service, also known as UPS, can be referred to as a package delivery company, a courier service, or a parcel delivery service. Other synonyms for UPS may include delivery provider, logistics company, freight carrier, express transport service, shipping service, parcel shipment provider, or simply parcel service. UPS is one of the largest courier companies in the world and provides a wide range of shipping options, including air, ground, and ocean freight services. No matter the name it goes by, UPS is known for its reliable and efficient delivery services for both personal and business needs.