P.E.S is an Italian Organisation with over 150 employees, operates within the multidisciplinary design, Operations & Maintenance Service (O & M), Service Management (Project Control, Construction & Commissioning Management, QA / QC) for major national and international clients within Oil & Gas, Renewable Energy and petrochemical industries. P.E.S Head Quarter is located in Rosignano Solvay (LI), while other Italian offices are in Florence and south Itlay.