HMA Geotechnical a division of the HMA Group

HMA Geotechnical is a division of the HMA Group and initially comprised predominantly of Geotechnical Systems Australia (GSA). GSA was incorporated in 1987 to design, manufacture and distribute instrumentation for the geotechnical and mining industries. All of our instruments are created from a combination of research, development and practical field experience whilst maintaining the highest possible quality. We have offices in Australia, New Zealand, Indonesia and South Africa.