N C A Mfg.
Texas, USA N C A Mfg. specializes in the design and manufacture of dampers, louvers and related accessories for HVAC systems. Our products include curtain fire dampers, ceiling dampers, smoke dampers, fire and smoke dampers. We also offer louvers, formed steel louvers, balancing dampers and barometric dampers. More...
www.ncamfg.com

Arrow United Industries
Pennsylvania, USA Arrow United Industries offers louvers, dampers as well as walk-in and access doors. Our penthouse louvers are designed & coordinated to fit roof curbs, allowing air into the building while eliminating water penetration. Our model 395 steel dampers utilize a sophisticated linkage system that allows More...
www.arrowunited.com

Lau Parts Division
Ohio, USA Lau Parts Division produces air moving components and fan systems for the heating, ventilation, air conditioning (HVAC) & refrigeration industries. We supply universal replacement propellers, blowers assemblies, wheels plus related components and humidifiers to HVAC/R wholesalers, appliance & electr More...
www.lauparts.com