Teletrak Environmental Systems. The Group's principal activities are to manufacture, distribute and license industrial jet pumps and related equipment. The Group designs pumps based on jet pump technology that makes the equipment a highly effective portable tool for the removal of granular wet or dry material. The equipment can be used in various applications across many industries, including environmental clean up of hazardous matter such as lead and nuclear contaminants and as general maintenance tools. The Group sells its products under the trade names HAZVAC and ENVIROVAC. The Group's customers include power plants, steel mills, foundries, oil refineries, chemical and petrochemical plants, food processing facilities, shipyards, marine vessel manufacturers and water treatment plants.