For more than two decades, GSS has been providing comprehensive environmental and compliance services to a variety of industries. GSS is growing and much of that growth comes from our current clients—a true testament to the quality of our services and the competency of our staff. GSS strives to build and maintain strong relationships with our Customers, State Historical Preservation Offices, the Federal Communications Commission, the United States Fish and Wildlife Service, Native American Tribes and many other state regulatory officials.