Canute
FHC - Hydraulic calculation software for fire sprinkler systems and other water base fire protection systems shuch as watermist, hose reels and hydrands
http://www.canutesoft.com

Water Purification Products, Inc.
Drinking water systems, and water analysis kits.
http://wppinc.com/

Anderson Water Systems
Degremont Technologies is a worldwide network of water treatment equipment providers and manufacturers, combining the forces of expert companies for municipal, industrial and leisure markets.
http://www.awsl.com

Kauai Department of Water
County of Kauai, Department of Water. Contains water quality reports, events, water plan 2020, water systems and water sources, water conservation tips, board meeting information
http://www.kauaiwater.org

Hach Co.
Hach, a global company in water quality testing and water quality analysis, offers portable, laboratory and on-line instrumentation for testing important water quality parameters.
http://www.hach.com

Palintest LTD
Palintest is a world-leading manufacturer of water testing kits and environmental products for water quality analysis in drinking water, Pools and Spas, waste water and effluent.
http://www.palintest.com/

Non Chemical Water Treatment Systems
Lehmier Electric specializes in non-chemical water treatment, automatic emergency backup generators, and Electric-Saver systems.
http://www.lehmierelectric.com

Diamond Water Systems, Inc.
Diamond Water Systems, Inc. Specializes in quartz media filtration, purification, water treatment, process and potable water systems.
http://www.diamondwater.com/

Ondeo Industrial Water Solutions
Provides industrial water cycle management including water systems operations and maintenance, water cycle outsourcing, water treatment equipment, water and wastewater plant design and construction.
http://www.ondeo-is.com/

Sparrow Water
Supply of parts, installation and maintenance contracts and services for waste water and sewage systems. Clean water systems including boreholes, filtration and treatment are provided.
http://www.sparrownewman.co.uk/