WE ARE TSi GEOTECHNICAL, INC.

Formerly TSi Engineering, Inc., we are a specialized practice in geotechnical engineering, drilling, laboratory testing, and construction observation, documentation and field testing services.

A registered M/W/DBE, we have four offices located in Kansas City, MO, St. Louis, MO, Normal, IL, and Atlanta, GA.

Using our in-house drill rigs and certified testing laboratories, we have extensive experience in a variety of projects in roadway, bridges, water, wastewater, storm water, transmission line, and building design/renovation.