AllerAir Industries
- Manufacturer of air purifiers and cleaners with activated carbon, HEPA, UV and photocatalytic technology. Includes dealer information.
- http://www.allerair.com/

Ultraviolet Devices, Inc.
- UVDI is a manufacturer and distributor of UV lamps used in air and water disinfection products.
- http://www.uvdi.com/

Crystal Air
- Provides commercial and domestic ozone generators and purifiers for air and water purification.
- http://www.ozone.ca

FCI Watermakers - Reverse Osmosis Systems
- FCI markets reverse osmosis systems for fresh, brackish and sea water.
- http://www.fciwatermakers.com

Mobile Hospital Air Purification Systems
- Air purification systems with a FDA 510K certification, mandatory for hospitals and health care facilities.
- http://www.biologicalcontrols.com

Aquaphor
- Russian manufacturer of water filter devices with global distribution.
- http://www.aquaphor.com

Fuller Ultraviolet Corporation
- Ultraviolet germicidal technology for use in liquid sweetener storage applications, HVAC commercial and residential systems, and liquid sterilization.
- http://www.fulleruv.com

Electrodepot indoor air quality
- Air purifiers and air filters, allergy relief and negative ion generators. Products for indoor air quality improvement Hepa filters and odor elimination systems
- http://www.electrodepot.net

Genqao Technology Corporation
- China based manufacturer of air and water ozone filters. Site in Chinese and English, and includes product photos, overview of ozone technology, and sales network.
- http://www.genqao-o3.com

Advanced Air Solutions
- Advanced Air Solutions provides home and office air purification systems
- http://www.advancedairsolutions.com/

Cuno Inc.
- Standard and custom design and manufacture of filtration systems for water purification, healthcare and industrial applications.
- http://www.cuno.com/

Ozonox
- Manufactures and distributes commercial, industrial, and medical ozone generators for air and water purification systems.
- http://www.ozonox.com/

Atlantic Ultraviolet Corporation
- Manufactures water purifiers, air and surface sanitisers and germicidal lamps.
- http://www.ultraviolet.com/

IQAir
- Air cleaning solutions and product information.
- http://www.iqair.us/

Ecologix Environmental Systems
- Offering air and water purification as well as wastewater treatment and recycling systems.
- http://www.ecologixsystems.com/

AccuAire Air Treatment Systems
- Air treatment system available with an air quality sensor to control units operation. No filters to replace or plates to clean.
- http://www.bilgebuster.com/ProdLineHome.htm

Ozone Industries-UK
- A UK designer and manufacturer of ozone generators for commercial and domestic air and water purification.
- http://www.ozone-industries.co.uk/

DP Filters
- Providing commercial and industrial accounts in Northern and Central Illinois with air filtration products and services.
- http://www.dpfilters.com/

Natralite Filters, Inc
- Light filters put melanin back into artificial light.
- http://www.natralitefilters.com/

Air and Water Technology, Inc.
- Information on indoor air and water contaminants and removal strategies using "natural" technologies.
- http://www.airwater.com/

Group AT Export, SA
- Disinfection and deodorization of water and air and ozonization systems of reduced coefficient.
- http://www.atexport.com/