ACME ENGINEERING & MANUFACTURING 
Fans, blowers, and ventilation equipment 
www.acmefan.com

AIR CONCEPTS 
Punkah louvers, nozzle air distribution, round perforated grilles, work station exhaust systems, stainless steel drum louvers, stainless steel spot cooling systems
www.airconceptsinc.com

ARCHITECTURAL GRILLE 
Specialty bar, perforated, and stamped grilles of specialty materials 
www.archgrille.com

AREOSONICS, INC. 
Acoustic panels, sound attenuators, grille silencers. 
www.aerosonics.com

ARROW UNITED INDUSTRIES 
Commercial and Industrial Dampers, Architectural Louvers, and Louvered Penthouses
www.arrowunited.com

BERKO 
Baseboard, wall mounted, ceiling mounted, unit, cabinet unit, industrial, radiant, and portable heaters, air curtains, paddle fans 
www.berkomeh.com

BRASCH MANUFACTURING 
Electric heating equipment, open coil and fin tubular duct heaters, control panels, unit heaters, and carbon monoxide, nitrogen dioxide, and refrigerant gas detectors. 
www.braschmfg.com

CREATIVE METALS 
Metal building roof curbs, roof top equipment curbs, equipment supports, pipe penetration curbs, gravity ventilators, and extruded aluminum penthouses.

DONCO AIR PRODUCTS 
Tee bar, luminaire, light troffers, and linear diffusers with distribution plenums. 
www.doncoair.com

E.H. Price
Air distribution, VAV's, fan terminals, hospital ORD, and laboratory air distribution
www.price-hvac.com

GENERAL ELECTRIC
Electric motor starters and variable frequency drives. 
www.geindustrial.com

J & J REGISTER 
Air distribution products 
www.jandjreg.com

JER-AIR MANUFACTURING, INC. 
Transitions, spin-ins, stick-on take offs, single blade dampers, fiberglass take-offs, and extractors.

KEES, INC. 
Kitchen hoods, filtered roof supply fans, air mixers, security grilles, grates and diffusers, architectural stamped and bar grilles, stainless steel air registers grilles and diffusers, slot diffusers, air baseboards, access doors, light troffer diffusers, and industrial hoods. 
www.kees.com

MARS AIR DOORS 
Air curtains 
www.marsair.com

OMNI AIR 
Flexible duct 
www.atcomail.atcoflex.com/index.htm

POTTORFF 
Curtain fire dampers, dynamic fire dampers, smoke dampers, combination fire/smoke dampers, ceiling radiation dampers, air control dampers, and access doors 
www.pottorff-hvac.com

R & J MANUFACTURING 
Dampers, spin-in's, air extractors, transitions, equalizing grids, air control deflectors, twist locks, take offs, collars, reducers, plaster mounts, and duct mounts.

RE-VERBER-RAY - DETROIT RADIANT PRODUCTS 
Gas fired infra-red products 
www.reverberray.com

REVERSOMATIC 
Residential fans, high rise/condo fans, general purposes, commercial fans, range hoods, and fireplaces. 
www.reversomatic.com

SPIRAL SYSTEMS 
Single and double wall spiral pipe and fittings manufactured of galvanized, aluminum, stainless steel, and PVC coated material, specialty duct systems

SPUNSTRAND INCORPORATED 
Fume exhaust, underslab HVAC ductwork, and fiberglass reinforced plastic duct (FRP)
www.spunstrand.com

SUNAIR MANUFACTURING 
Stainless steel kitchen hoods and rooftop makeup air units

VENTAIR, INC. 
Fume hoods and arms, hose and cable reels, fume filtering systems, table hoods, cyclone filtering and collection systems, and vehicle exhaust handling systems. 
www.ventaire.com

VENT PRODUCTS 
Louvers, dampers, roof vents, and roof curbs 
www.ventprod.com

WEATHER-RITE
Unit heaters, duct furnaces, roof-top heating and cooling units, and large industrial direct and indirect-fired units.
www.weather-rite.com