PSI's quality management system has been ISO 9001 certified since 1994. Certification is carried out every 3 years by TÜV SÜD Management Service GmbH.
PSI has established and applies an Information Security Management System according to the strict standards of ISO/IEC 27001.
PSI has established and applies an Occupational Safety and Health Management System according to the strict standards of ISO 45001.
PSI's leak detection and location system is the only one of its kind to comply with the strict requirements stipulated by the German TÜV organisation (Technical Inspection Authority) and certified for pipeline operation.
PSI's leak detection and location system has been certified by the German TÜV organisation (Technical Inspection Authority) in accordance to the Level 1 safety requirements of IEC EN 61508 applying to the transportation of hazardous liquids.