DuctSox Corporation, headquartered in Dubuque, Iowa, is a manufacturer of fabric air dispersion systems. DuctSox Systems are used to distribute and disperse air in open ceiling architecture, are cost effective and can be an aesthetically attractive alternative to metal ductwork. DuctSox Systems discharge air through a combination of porous fabrics, engineered orifices and linear vents to meet a large range of HVAC and Refrigeration requirements in virtually any market segment.