- offers specialised consulting services, related to groundwater modelling for environmental impact assessment
- sells and provides local support for software used in environmental and water engineering
- provides a selection of technical resources for the benefit of others
Previously known as Townley & Associates Pty Ltd ("T&A") and NTEC Environmental Technology ("NTEC"),
GW-SW Pty Ltd ("GW-SW") offers services and resells simulation software, mostly to a local market in Australasia.