Contact us +30 210 418 1218/9 Our Address 14, Skouze Str., GR 185 36 Piraeus, Greece Working Hours Monday - Friday 9.00 - 17.00 24hrs Support - 24hrs@hrs05.gr HOME ABOUT US PRODUCTS SERVICES DOWNLOAD BROCHURES NEWS OFFICES HELLENIC RADIO SERVICES S.A. HRS S.A. is the parent company of the group and was established in 1983 by George Tsanis and is authorized by the Greek Authorities and the International Telecommunications Union (ITU) to act as an Accounting Authority in order to settle maritime radio communications accounts. Also the company offers services related to satellite communications through the International Maritime Satellite Organization (Inmarsat). READ MORE Group of Companies Worldwide Maritime Communication Services COPYRIGHT 2017