Saudi Diyar Consultants (SDC) is a name linked to the country's most compelling designs in the fields of architecture and engineering, and a household name to most of Saudi Arabia's leading developers. Established in 1985, it has risen to be amongst the region's top companies in its field.SDC's innovative designs are evident in countless educational institutions, commercial, public, private, residential, healthcare and religious buildings, including participation through engineering supervision in the expansion project of the Two Holy Mosques in Makkah and Madinah.