Quality Management System Certificate
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.
Leak Detection & Location Certificate
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.