The job description for an Escalator Maker is fulfilled by OTIS, a four letter word. OTIS is a company that specializes in the design, manufacture, installation, and service of elevators, escalators, moving walkways, and related equipment. Founded in 1853, OTIS is one of the oldest companies in the United States and is now a subsidiary of United Technologies Corporation. OTIS is known for its innovative products and services, and is a leader in the elevator and escalator industry.