Severn Trent De Nora, LLC
Electrochemical Disinfection Products - STS Denora, Ballast Water Treatment Systems, Wastewater Arsenic Removal, On-Site Hypochlorite Generators, Ultraviolet Disinfection Products, Gas Chlorinator and all water purification and treatment needs for millions of people around the globe. We are Severn Trent Services.
http://www.severntrentdenora.com/

Wallace & Tiernan
Manufactures chemical feed equipment that is used in the treatment and the disinfection of potable water or wastewater. A US Filter company.
http://www.usfwt.com/

Stranco
Polymer activation, chemical feed, and disinfection systems for municipal, industrial, and recreational water and wastewater treatment processes.
http://www.stranco.com

UV Systems PLC
British manufacturer of ultraviolet disinfection equipment for applications including water treatment and disinfection of air and surfaces.
http://www.uvsystems.co.uk

BiOzone Corporation
BiOzone creates effective and safe solutions for your Ozone Generator and Ozonation Needs: water disinfection, purification, color removal, process trains and more!
http://www.biozone.com/

Science Traveller International
A wastewater forum with information on wastewater software and news. It also includes 'Wastewater World Wide' - extensive Wastewater Web Link pages.
http://www.scitrav.com/wwater/

Spectral Innovations Ltd.
We use ultraviolet disinfection, TOC reduction or advanced oxidation technologies in our open channel and pressurized systems for treating contaminated liquids in drinking water or beverage industries and wastewater or aquaculture.
http://www.spectralinnovations.com/

International Water-Guard
Wastewater treatment systems, disinfection units, potable water systems for aircraft, and custom water treatment solutions for all industries.
http://www.waterknowledge.com/

Wastewater Professionals
Industrial waste and wastewater treatment consulting firm with over 16 years experience in wastewater treatment operations.
http://www.wastewaterpro.com/

MBBR Biological Wastewater Plants
DAS Compact Package plants for wastewater, Retrofit and upgrade wastewater plants, Sewer Plants, Industrial Bio Treatment Systems, Ammonia and Nutrient removal, MBBR, Membranes, Bio Media, Wastewater Systems, Sequencing Batch Reactors, Grease Traps, Recycling Systems and Total Solution WWTP plants
http://www.dasusa.com