Parkinson Technologies, Inc. is a leading designer and manufacturer of large-scale web handling, converting and winding equipment for the nonwovens industry. The company includes the Parkinson Winders brand of surface winders and the Dusenbery® Converting Systems brand of slitter rewinders. Brands: Parkinson Winders Brand 2: Dusenbery Converting Systems Brand 3: Marshall and Williams Plastics Brand 4: Key Filters