GHD is an engineering consulting firm which provides fully integrated services spanning across a range of industrial wastewater treatment applications, including mechanical, electrical, instrumentation, control and process engineering. GHD has experience integrating systems for biological, physical, and chemical treatment, as well as water recycling systems and air pollution controls. The company's technology profile includes laser scanning and 3D design to model major plant expansions. GHD has a global presence with offices in over 200 locations.