Barry D. Payne & Associates, Inc. (a Division of Mangan, Inc.) provides process control engineering, system integration services, advanced process control, and plant optimization services for the chemical, petrochemical, gas processing, and power industries. The company is experienced with various DCS and PLC/HMI systems for continuous and batch controls, with full-scope services to install and commission control system upgrades throughout the United States. The company provides a range of control services, from loop tuning to operator training to full scope engineering, procurement, and construction of process control and SCADA systems. Barry D. Payne & Associates, Inc. is a specialist in controls and control applications for the natural gas and natural gas liquids industry, from SCADA systems and compressor station control in upstream processing, through basic and advanced controls for turboexpander and lean oil plants and all types of treating, and finally to control systems and advanced control strategies for liquids fractionation for small to world scale facilities (>200,000 bbls/day).