United Parcel Service runs one of the planet's largest logistics networks, delivering millions of packages daily through a fleet of aircraft, vehicles and sorting hubs refined over more than a century. Business-to-business shipments and healthcare logistics carry richer margins than residential e-commerce, so mix matters as much as volume. An integrated single network distinguishes it from rivals running separate systems. Founded in 1907 as a Seattle messenger service, UPS pays one of the more substantial dividends in the industrial sector.