Advance Technology Systems, Inc.: Our Solutions Advance Technology Systems is a manufacturer's representative firm serving the industrial and process markets in the Southeast United States for safety, production, measurement, analytical and control products; principally: Pressure, Temperature, Flow and Level Measurement and Control Polymer Filtration and Processing Process Cooling, Chilling and Pumping Continuous on-line Process Management and Analyzing Laboratory and Field Test, Measurement and Calibration Instruments Specialty and Control Valves Gas Analyzing and Measurement OEM