Walter Ivison

World Environmental Solutions Pty Ltd. develops air water making and energy saving technologies. It offers solar water stills, diesel generator and capstone turbine systems, pre-cooling systems, and absorber and air water maker. The company was founded on April 09, 2000 and is headquartered in Chatswood, Australia.

Sustainable Environmental Technologies Corp. is a full service environmental water and wastewater treatment engineering and construction company. The company offers echo-technologies that provide patented treatment, recovery, reclamation and re-injection services. It also offers services, including water and wastewater engineering, construction and construction management, and operation and maintenance services. The company serves the industrial and municipal sectors. Sustainable Environmental Technologies was founded on July 12, 1985 and is headquartered in Upland, CA.