FAST138 Gagasan Teguh produce wide range of soil investigation test and instrumentation, which include Noise & Vibration Monitoring, Crack Monitoring, Building Settlement Marker, Ground Settlement Marker, In Place Inclinometer, Horizontal Inclinometer, Pneumatic Piezometer Standpipe, Vibrating Wire Piezometer, Vibrating Wire Strain Gauge, Magnetic Extensometer, Tilt Plate, Tilt Beam (EL Beam), Rod Settlement Gauge, Real Time Instrumentation Monitoring, Soil Investigation, Geotechnical Investigation, Cone Penetration Test, Jack-up Pontoon, Floating Pontoon, Resistivity Test, Seismic Refraction/Reflection Test, Soil Laboratory Test, Diamond Core Drilling, Field Density Test, CBR Test, Plate Bearing Test, Compaction Test, Cavity Probing and Grouting, Penetration Geonor Vane, Dynamic Cone Penetrometer for construction in Malaysia.