Durham Geo-Enterprises, Inc.

We design, manufacture, and supply a wide range of instruments and equipment to geotechnical and environmental professionals. In addition, we offer services related to our products, including training and technical support, equipment rentals, repair and calibration.

Durham Geo Slope Indicator (DGSI) is a highly respected brand with instrumentation integrated into some of the world's most important assets and construction projects.

Our expertise is based off of decades of experience. Our geotechnical instrumentation dates back to the late 50's under the Slope Indicator brand. Our materials testing equipment originated under the Brainard Kilman name and our environmental products trace back to the 1990's.