contact us ongoing projects join sbg now makkah time welcome to sbg in 1926 the kingdom of saudi arabia was founded by king abdul aziz al saud . in 1931 mohammad binladin established a construction company within the kingdom . in 1950 when king abdul aziz was planning the rst saudi extension to the prophet s mosque in madinah ... he honored mohammad binladin by turning to him to fulfill his wishes . work on the extension was completed during the reign of king abdul aziz s son king saud bin abdul aziz . as a result of the success of this project mohammad binladin was asked to undertake the extension to the holy mosque in makkah the first for a thousand years . work on this huge enterprise started in 1955 ... csr saudi binladin group sponsored the following events jeddah economic forum international economy 2010 chair of sheikh mohammed bin laden for research and studies in structural rehabilitation saudi civil engineering society the fifth forum information technology and national security conference the engineering profession and its role in sustaining the kingdom s development the fifth saudi technical conference and exhibition sbg copyright 2012 info sbg.com.sa home downloads disclaimer sbg email