Southworth Products Corp is the worlds largest manufacturer of ergonomic materials handling equipment for vertical lifting and work positioning, designed to improve worker productivity while reducing the potential for w......Southworth Products Corp is the worlds largest manufacturer of ergonomic materials handling equipment for vertical lifting and work positioning, designed to improve worker productivity while reducing the potential for worker injuries. Whether youre lifting and positioning work, handling pallets, working with parts in containers or transporting loads, Southworth has a way to make the job faster, safer, and easier.