Institute of Inspection Cleaning & Restoration & Certification.
The Institute of Inspection, Cleaning and Restoration Certification (IICRC) has served as the Industry Guardian for the cleaning, inspection and restoration service industries for more than 30 years. As a non-profit certification organization, the IICRC helps ensure that you have access to trusted and trained cleaning professionals by establishing and monitoring certification programs and standards for these industries.
http://www.certifiedcleaners.org/default.shtml

Humidex
Say goodbye to Sick Home Syndrome with Humidex. Humidex provides a healthier home environment by improving indoor air quality through moisture control, ventilation and a complete home air exchange of harmful contaminants.
http://www.humidexhome.com/

Healthway
Healthway has advanced air purification with the introduction of it's exclusive Medical listed EMF technology used in it's portable air cleaners. The EMF technology is the most significant advancement in the IAQ industry in years and gives people total control of there indoor space. Healthway prides itself on its research and development of new products, always on the break through of advanced air solutions.
http://www.healthway.com

Abatement Technologies
Since 1985, indoor air quality professionals have relied on Abatement Technologies, Inc. for professional indoor air quality products that provide exceptional performance, quality, value and reliability. 
http://www.abatement.com