» ASCA, Inc.
   Manufacturer of architectural sunshades, screening devices, light shelves and natural daylighting systems. Custom designs exterior sun control devices, sunscreens and automated sunshade louvers.
   http://www.asca-design.com

» Air-Therm Inc.
   Design manufacture, and install industrial gravity ventilation equipment, and inlet louvres for process type buildings. Includes a range of product and technical data.
   http://www.air-therm.com/

» Airflex Industries
   Offers architectural grilles, ornamental metals and louvers.
   http://www.airflexind.com/

» Bayliss Autovents
   Specialist vents which open and close automatically using energy from the warmth of the sun or the surrounding air. The hotter it gets, the wider it opens the vent.
   http://www.mywebpage.net/autovent

» Better Window Lites and Louvers
   Specializing in custom-made aluminum lites and louvers and is dedicated to quality workmanship and customer satisfaction.
   http://www.betterwindowlitesandlouvers.com

» F.C. Clifford Strategies
   Provides custom ducts, fans and v.a.v products.
   http://www.fcclifford.com

» Industrial Louvers
   Louvers, vents, equipment screens, decorative grilles, column covers, and beam wraps to fit any design or construction requirement.
   http://www.industriallouvers.com/

» Juskor Enterprises
   Supplier of louvers, vents, penthouses, and architectural grilles.
   http://www.juskor.com/

» Kingfisher
   Offers ventilation and weather louvre systems, solar shading systems, and roof lights. Includes product and service details.
   http://www.kingfisherlouvres.com/

» Kool-O-Matic Corporation
   Manufacture ventilation products including systems for residential housing, commercial buildings, recreational vehicles, and horse trailers . Includes product specifications and drawings.
   http://www.kool-o-matic.com/

» LBJ Fabrications Ltd
   UK based designers, manufacturers and installers of weather louvres, noise control and air handling systems.
   http://www.lbj.co.uk/

» Louvers & Dampers, Inc.
   Custom manufacturer of louvers, dampers and roof top equipment for the HVAC industry.
   http://www.louvers-dampers.com/

» Louvre Company.ie
   Architectural products includes information on louvres, roof glazing and aluminium fabrications.
   http://www.louvrecompany.ie/

» Maurice Franklin Louver Co., Inc.
   Offers a variety of aluminum and plastic louvers designed to ventilate and reduce moisture in both home and industrial environments.
   http://www.mflouver.com

» Pottorff
   Offers ceiling radition dampers, fire-smoke dampers, air control products and louvers.
   http://www.pottorff.com/

» Smart Vent
   Foundation flood vents use hydrostatic pressure to minimize damage during flooding. Flood vent certified by the ICC.
   http://www.smartvent.com/

» The Whitfield Group, Inc.
   Specializes in fine custom designed hand-made wooden ventilation louvers for new or remodeled homes and apartment buildings.
   http://whitfieldwoodproducts.com

» Vent Products Co.
   Dampers, louvers, and vents for HVAC systems. Chicago, Illinois
   http://www.ventprod.com/

» Windworker
   Offers a patented roof ventilator proven to prevent damage to buildings during hurricanes, cyclones and storms. Ventilates by removing heat, condensation, odors and potential toxic fumes.
   http://www.windworker.au.com/