Soil Investigation Pte Ltd was established in 1970 and it is specialized in Site Investigation, Geotechnical Instrumentation and Monitoring and other Geotechnical Services.

The company has more than 40 years of experience in the geotechnical field, having been involved in projects ranging from soil instrumentation for the Changi International Airport to site investigation for prestigious commercial buildings and up-market residential developments.
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Subsidiary Companies

WISESCAN ENGINEERING SERVICES PTE LTD
SPECTEST SDN BHD
GLOSTREXT TECHNOLOGY SDN BHD
GLOSTREXT TECHNOLOGY (S) PTE LTD