Otis Elevator Company is one of the largest elevator company in the world and it is a wholly-owned subsidiary of the United Technologies Corporation (UTC) which ranks the 123rd in Fortune 500 in 2008.

• 奥的斯电梯公司是美国联合技术公司（UTC）的全资子公司，是全球最大的电梯、扶梯、自动人行道生产商和服务商之一。