The term VERTICAL-TRANSPORTATION GIANT is referring to the company Otis, a four letter word. Otis is a global leader in the elevator and escalator industry, providing innovative products and services to customers in more than 200 countries. Founded in 1853, Otis is the world's largest manufacturer of elevators, escalators, and moving walkways. The company has a long history of innovation, including the invention of the safety elevator in 1854 and the world's first computer-controlled elevator in 1966. Otis is committed to providing safe, reliable, and efficient vertical transportation solutions for its customers.