In December 1998, Duff-Norton Europe was acquired by Columbus McKinnon Corporation, an American Group based in Amherst, New-York State, USA. Columbus McKinnon (NASDAQ symbol: CMCO) specialises in the design and production of materials and assemblies for lifting and handling. For further information on Columbus McKinnon, click on the following link :

Following this acquisition, Duff-Norton Europe came under the structure of Duff-Norton USA, based in Charlotte, North Carolina, USA. Duff-Norton USA designs and produces worm gear mechanical and electro-mechanical actuators, as well as renowned rotary unions under the Rotary Union® brand.

Duff-Norton USA was founded in 1883.

For further information on Duff-Norton USA, click on the following link :