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With over 100 environmental and technical professionals, GSI can effectively staff large national projects for the federal government and private industry while maintaining relationships at the regional level to serve local clients like KDHE and the City of Wichita."

U.S. Dept of Energy (DOE)

U.S. Dept of Defense (DOD)

GSI provides many services to cities and municipalities. We provide environmental monitoring, compliance and consulting. We help obtain brownfield grants, complete site investigations and cleanup.  We also provide geotechnical testing and engineering, materials testing and special inspections.

Kansas Department of Health and Environment (KDHE)

Missouri Department of Natural Resources (MDNR)

Iowa Department of Natural resources (IDNR)

Nebraska Department of Environmental Quality (NDEQ)

Oklahoma Department of Environmental Quality (ODEQ)

Texas Commission on Environmental Quality (TCEQ)

Kansas Department of Transportation (KDOT)

Iowa Department of Transportation (IDOT)

GSI works with many county governments on a range of construction projects, often in concert with city or state agencies. Fire stations, libraries, office buildings, parks and recreational facilities are just a few of the public projects we've been involved with, providing geotechnical, materials testing and regulatory assistance. We also provide scientific and regulatory assistance on many public / private projects.

U.S. Army Corps of Engineers

Environmental Protection Agency (EPA)