Software for optimizing the flow of energy and materials Since 1969 PSI develops and integrates software solutions and control systems for the network infrastructures and complex production and logistics processes. Control, monitoring and optimization As the European market leader for energy control systems for electricity, gas, oil, heat and water, PSI’s customers include almost all the major energy suppliers. Beyond that, PSI provides control system solutions for operational management, network utilization, pipeline management, leak detection and location, portfolio management, energy trading and sales. Company-wide process optimization Solutions for mobility and safety Innovations and international partnerships