P.S.A. Marine Bureau (est.1993) is located in Piraeus, Greece and provides for more than 28 years high quality consulting services covering a wide spectrum of the marine/maritime sector, such as technical studies, onboard surveys (pre-purchase, off hire, Damage & repair, draught & cargo etc.), supervision of construction-modifications, incident investigation and ERS, etc.; our company has also great experience in Ultrasonic thickness measurements / NDT surveys. PSA Marine Bureau, believing in the introduction of new technologies to the demanding shipping industry, is in position to provide state of the art design services in almost any kind of case study related to the shipping industry sector; in the last years, great emphasis has been given to the onboard installation of the Ballast Water Treatment System (BWTS) & Exhaust Gas Cleaning Systems(EGCS) .