UPS is an acronym of United Parcel Service, Inc., which is a global package delivery company. The company has a record of serving 6.1 million customers per day with above 15 million packages in 220 territories and countries throughout the world. UPS operates in three sectors – International Package, Supply Chain & Freight Operations and Domestic Package. Delivery packages of the company include documents, letters and other packages within the time as specified. The company is famous all over for their brown trucks and is also referred to as "package cars" internally. Besides, the company has its personal owned airline as well.