- ABSOLUTE AIRE – Direct-fired gas make-up air units
- ACME ENGINEERING – Gas detection monitors
- ACUTHERM – Individual Temperature Control Solutions
- AIR CONCEPTS – Spot air distribution devices
- AIR DISTRIBUTION CONCEPTS – Custom fabric air diffuser systems
- AMERICAN COOLAIR – Commercial/Industrial Fans and Ventilation
- AMERICAN ULTRAVIOLET – Designing and Manufacturing complete UV solutions since 1960
- AMERICAN WARMING – Louvers, Penthouses and control dampers
- BELIMO – Damper actuators for ventilation and air conditioning systems
- BERNER – Air curtains and fly fans
- CARNES – Air Distribution,Terminals, Ventilation, Louvers, Dampers, ERVs
- COMMERCIAL ACOUSTICS – Duct silencers, sound panels, acoustic louvers
- COMMERCIAL COIL – OEM and replacement coils
- DETROIT RADIANT PRODUCTS – Gas infrared heaters
- EWC – HVAC Zone Control dampers and systems
- FAN AM – Corrosion proof ventilators
- FANTECH – Direct drive fans and accessories
- GRIPPLE HANG-FAST – Suspension solution for mechanical & HVAC installations
- HUNTER FAN – HVLS Ceiling Fans.
- KEES, INC. – Commercial and Industrial HVAC Products and Kitchen Exhaust Systems
- LARKIN – Kitchen exhaust hoods
- LINX INDUSTRIES – Spiral, and oval pipe and fittings
- MARKEL ELECTRIC – Electric duct, wall, unit and misc. heaters
- NAILOR – Complete Air Control and Distribution Solutions
- PENNBARRY – Commercial/Industrial Fans and Ventilation
- PEPPERTREEAIR – HVAC and Industrial Hose Products
- PHP Systems/Design – Rooftop Pipe and Equipment Support Systems
- RENEWAIRE – Energy Recovery Ventilators
- TAMCO – Innovative Damper Products
- VANPACKER – Boiler/kitchen/diesel pipe systems
- VENTAIRE -Custom air pollution control systems
