Dampers, Louvers, Accessories
American Warming and Ventilating, Arrow United Industries, Cesco Products, Louvers & Dampers, MCM Steel, Inc., Metropolitan Air Technology, Inc., NCA International Group, Pottorff, Safe-Air Dowco, Vent Products Co.
Fans
Acme Engineering and Manufacturing Corp., Airhorse Industrial Fans and Blowers, All Star, Ametek Rotron Technical Motor Division, Beckett Air, Champion Fan Corporation, Cincinnati Fan, Comair Rotron, Continental Blowers, Inc., Continental Fan Manufacturing Inc.
Filtration
Air Quality Engineering, Airguard, American Air Filter, Camfil Farr, Fitlration Group Inc., Koch Filter Corporation, PlymoVent, Purafil, Purolator Air Filtration
Outlet Grilles, Registers, Diffusers
Acutherm, Continental Industries, Inc., Control-a-flow diffuser, FOF Inc., Hart and Cooley Inc, J and J Register, Krueger, Metalaire, Thermal Products Corporation, Titus
Wholesale and Distribution
Airsolutions Inc., Bel-Aire Electronic Air Cleaners, Engineered Mechanical Systems, Inc., F.C. Clifford Strategies, Fan Air Company, HVACommerce, Northern Industrial Supply Co., Ronco Industrial Supply Company Inc., Underwood Air Systems
Aereco
Humidity sensitive process and aerecos products for passive and mechanical ventilation.
Air Trac Corporation
Designs and engineers industrial ventilation, pneumatic conveying systems and services pollution control systems.
KBE Lebanon
Lebanon manufacturer and distributor of air movement and distribution products for the HVAC market.
Midtherm Group
Manufacture of flue systems, industrial and commercial fans including axial, bifurcated, chopper, paddle blade, multivane in standard and bespoke designs.
Nailor Industries
Air control and distribution manufacturer of grilles, registers, diffusers, VAV terminal units, louvers, and dampers
Penn Barry
Manufacturer of centrifugal and axial fans for commercial and industrial applications. Also makes a line of roof vents and curbs for roof intake or exhaust.
Schaefer Ventilation Equipment
Manufacturer of air circulation, shutter and exhaust fans, evaporative cooling, controls and thermostats for industrial, commercial, horticulture and agriculture use.
Sound Fighter Systems, Inc.
Manufacturer of noise control wall system, industrial ventilation fans, and noise abatement products for air distribution applications.
United Air Control
Centrifugal blowers, industrial fans, bag filters, air handling systems, and pollution control for heavy industrial markets.
W. Tombling Ltd
Manufacturer of Activair electrical heaters, polythene ducting, air coolers and fans for use in commercial premises such as factories, warehouses, workshops.
Young & Bertke Air Systems Co.
Engineering, fabrication, installation and service in air handling systems and sheet metal fabrication.