Vincent Della Valle

TK Elevator GmbH engages in the manufacture, sale, and distribution of passenger transportation systems. Its products include passenger and freight elevators, escalators, moving walks, passenger boarding bridges, as well as stair and platform lifts. It also provides maintenance, real-time troubleshooting, and remote monitoring services. The company was founded in 1865 and is headquartered in Essen, Germany.

Otis Ltd. Engaged in manufacture, erection, repair and maintenance of lifts, escalators, moving walkways and associated equipment. The company was incorporated on May 3, 1917 and was headquartered in London, the United Kingdom.

Otis Elevator Co. manufactures and maintains elevators, escalators, and moving walkways. The company also offers maintenance and monitoring services to its customers through network of branch offices and service centers. Its products include Gen2, HdroFit, SkyRise and SkyBuild. The company was founded in 1853 and is headquartered in Farmington, CT.