Zephyr Ventilation Hoods
Manufacturer of residential hoods and ventilation systems.
http://www.zephyronline.com/

Glasfloss Industries
Learn about air filters and air filtration systems offered by Glasfloss Industries.
http://www.glasfloss.com/

FIT Ventilation
FIT Ventilation - Your source for affordable portable ventilation.
http://www.fitventilation.com

Smoking and Ventilation Standards
Americans for Nonsmokers' Rights (ANR) works to pass legislation at all levels of government to protect nonsmokers from secondhand smoke and protect youth from tobacco addiction. The American Nonsmokers' Rights Foundation (ANRF), ANR's educational arm, promotes smoking prevention and education about smoking, passive smoke, and the tobacco industry.
http://www.no-smoke.org/getthefacts.php?dp=d20

Project Airconditioning
Project Airconditioning is based in Perth, Western Australia and specalises in the installation and sales of domestic and commercial air conditioning systems.
http://www.projectair.com.au

U.S. Products
Cooling, ventilation, dust proofing systems for control panel and drive motors; solutions for all your contamination, ventilation and cooling needs.
http://www.usprod.com/

Mine Ventilation Services, Inc.

http://www.mvsengineering.com/

Food Industry Technical Ltd
Food Industry Technical are leading specialists in energy saving ventilation systems for commercial kitchens
http://www.foodindustrytechnical.com

Lakeside Service Company, Inc.
Brighton Michigan Heating and Cooling Carrier Contractor offering 24 hour Emergency service to Livingston county on furnaces, air conditioner and water heaters as well as regular service. repair, maintenance, replacement and remodeling.
http://www.lakesideservice.com/

Schaefer Ventilation
Ventilation and circulation fans for the greenhouse industry.
http://www.schaeferfan.com/Horticultural_Ventilation_C264.cfm