ATG - Aqua Technology Group | Meters, Controls, Equipment and Service. ATG - Aqua Technology Group June, 2017 Catalog Update. Aqua Technology Group New Products. New items from http://www.aquatechnologygroup.com/shop/ and our website http://www.aquatechnologygroup.com/. New meters, controls, equipment, manhole covers, float switches, enclosures, alarms and equipment from ATG - Aqua Technology Group - 6/2017.