Commercial Building Ventilation and Indoor Environmental Quality
Ventilation and Indoor Air Quality Research performed by the staff of the Indoor Environment Department of the Environmental Energy Technologies Division at the Lawrence Berkeley National Laboratory.
http://eetd.lbl.gov/ied/viaq/viaq.html

Menzies Metals
manufacturer & distributor of building products: stock flashings, steel building flashings, steel building products, ventilation products, plumbing, flashings, heating flashing
http://www.menzies-metal.com

Architectural Energy Corporation
Home Page of Architectural Energy Corporation: Improving building energy performance with products and services.
http://www.archenergy.com

Mine Ventilation Services, Inc.

http://www.mvsengineering.com/

Chartered Institution of Building Services Engineers (CIBSE)
UK-based institution for building services including heating, ventilation and air conditioning.
http://www.cibse.org/

Building Services and Environmental Engineer
Building Services & Environmental Engineer magazine covers all aspects of building services engineering, plus an online job site.
http://www.bsee.co.uk

Circon Systems Corp.
Circon combines LonMark International's open system standards with advanced technology to develop and manufacture controls for HVAC systems, access control, energy management, custom equipment and OEM.
http://www.circon.com/

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

Flovent
CFD-based analysis software and consultancy services for simulation of building heating, airflow and ventilation.
http://www.flovent.com

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