MKT uses and represents Ductmate Industries Inc. hangers and connecting hardware. Ductmate Industries Inc. is the largest heating, ventilation and air conditioning (HVAC) accessories manufacturer in North America, and that makes it one of the largest on Earth. Ductmate products are simply superior products. Ductmate designs and produces a myriad of HVAC connectors, doors, sealants and support systems. Ductmate is constantly adding items to accommodate new requirements and applications. MKT knows that if you want the job done right, only superior products will do.