TerraGroup Corporation is a privately held, business focused entirely on the design, engineering, and manufacturing of water purification and reuse, storage, and distribution systems that specifically address military field applications, potable water for disasters, emergency water supply and nuclear, biological and chemical (NBC) decontamination. All of the TECWAR systems are highly mobile, self-contained, modular, and scalable. They are designed for rapid response, remote locations, and expeditionary teams. With headquarters and production facilities in Allentown, Pennsylvania, the company continues its work in improving and developing water purification products for military field applications, environmental defense, homeland security, and disaster relief. TECWAR Systems are the choice of the world's greatest expeditionary force: the United States Marine Corp.