IGS is an Australian specialist in situ testing and sampling contractor, recognised both nationally and internationally as ”one of the best”. We have 15 different custom designed testing and sampling rigs to access almost anywhere! We have Testing and Sampling services including; - CPT, CPTu, Seismic CPTu, DMT, Seismic DMT, Medusa DMT, SPDMT, Vane Shear Testing, Full Flow Cone Testing, Pressuremeter Testing. We provide direct-push sampling via; - Very high quality 63mm and 75mm piston samples (By out PPI device) - Disturbed but un-mixed and uncontaminated samples by Vertek Sampler or Geomil’s Ranger Samplers - Vibracore - Sucker Samplers for soft to "liquid" materials - BS Sampler for large bulk samples of extremely soft sediments