• Sealand Drillers (M) S/B
  • Geodata Engineering S/B
  • Strata Drill Sdn Bhd
  • Progeo Consult
  • Soilpro Technical Services S/B
  • Suretest Instruments S/B
  • Test Technical Laboratory Sdn Bhd
  • STL Drilling Sdn Bhd
  • STL Geotechnical Eng. Sdn Bhd
  • Progress Drilling
  • Garuda Geotechnical
  • Test Sdn Bhd
  • Geoprobe Solutions
  • Geolab (M) Sdn Bhd
  • ⁠GMT Group
  • MMA Tech S/B
  • Soils and foundation S/B
  • Geo Technology Resources S/B