Doha Metro - Depot and Stabling Yard Project Info Client: Qatar Railways Development Company Contractor: HBK Contracting Company WLL Other reference objects Riyadh Metro Project Riyadh Metro Project Read More Masjid Al Haram Expansion Project Masjid Al Haram Expansion Project Read More Expansion of Prophet Mosque, Al-Madina Expansion of Prophet Mosque, Al-Madina Read More