Single-source provider of geotechnical instrumentation, materials testing, and environmental products 

Geotechnical and structural instruments from Slope Indicator for monitoring tilt, displacement, pressure, and strain.

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Geotechnical Instrumentation

Equipment and supplies for laboratory and field testing of concrete, asphalt, soil, and geosynthetics.

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Materials Testing Products

Pumps and supplies for groundwater remediation and recovery of landfill leachates and gases.

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Environmental Products

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NEW Knowledge Library & Support Services

Looking for technical support, product information, and extensive FAQ resources? Find it all online with our newly redesigned Knowledge Library and Support Services.

GTecLink Android Installation Tutorial

Follow this simple video guide for easy installation process of GTecLink’s wireless datalogging system.  Get the steps you need for easy installation of GTecLink, right out of the box.

Wireless Monitoring with GTecLink

Learn how you can take advantage of a dynamic set of features that benefit and support your monitoring project with our wireless data logger, GTeclink powered by Worldsensing,

DGSI Launches New GeoFlex System

It’s our latest line of in-place inclinometers.

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