SECA were involved in the design, supervision, and/or management of several housing and land development projects, valued for over xx million SR .
- Al-Basateen Neighborhood, Yanbu, Saudi Arabia.
- Al Assaf Privet Compound. Riyadh, Saudi Arabia. .
- Al-Amoudi Privet Compound, Jeddah, Saudi Arabia .
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- Islamic Development Bank Housing Project (First place design competition), Jeddah, Saudi Arabia.
- J.Sabbagh building expantion, Jeddah, Saudi Arabia compleated 2000.