The biggest international catering company in the Middle East, Dona, was inaugurated in Tehran at a ceremony on Sunday, IRNA reported. The Minister of Roads and Urban Development Abbas Akhoundi, Austrian Ambassador Friedrich Stift, and managing director of the Islamic Republic of Iran Railways, Mohsen Pourseyyed-Aqaei attended. Dona is a joint venture between Iran’s Arzesh Afarinan Fadak Corporation and Austria’s Don Hauser GmbH Group, a leading caterer for European railways.