THOMASVILLE, NC - Niels Pedersen announced that he will step down as Dantherm Filtration's North American president effective Friday, July 31. The company manufactures dust collection systems under its own name and Quick-Fit clamp-together ducting under the Nordfab Ducting brand. Pedersen, who founded Dantherm's North American arm in Thomasville in 1979, will remain with the company as a business development manager. He will be succeeded as president by Nordfab Division Manager Tom Ballus.