United Parcel Service, also known as UPS, a publicly owned company headquartered in the US, was founded in 1907 and employs approximately 177,280 individuals. The company operates as an American multinational shipping and receiving and supply chain management company. Originally established as the American Messenger Company specializing in telegraphs, UPS has expanded its operations to include ground shipping services and the UPS Store, a retail chain that assists with shipments and provides tools for small businesses. Additionally, UPS offers air shipping on an overnight or two-day basis and delivers to post office boxes through services such as UPS Mail Innovations and UPS SurePost.