Geotechnical Consulting and Testing Systems, also known as GCTS, specializes in the design of laboratory testing apparatus and software. It manufactures a range of computer-controlled testing systems with pneumatic and hydraulic loaders. The company provides large-scale soil triaxial cells, digital signal input and control units, and asphalt testing systems and coring machines. Geotechnical Consulting and Testing Systems also offers resilient modulus testing and dynamic loading systems. It additionally provides rock and soil testing systems and accessories. The company offers software packages for test control and data acquisition and reduction. Geotechnical Consulting and Testing Systems has expertise in instrumentation, electronics, mechanics, manufacturing and other testing equipment-related fields.