Otaishan Consulting Engineers (OCE) is a multi-disciplinary firm of professional Architects, Planners and Engineers which was founded in 1991 by Dr. Engineer Abdulaziz Bin Turki Al-Otaishan. OCE is considered today one of the leading Consulting Engineering Firms in the Kingdom of Saudi Arabia, the Gulf Countries and the Middle East consisting of over 320 staff that form a team of Professionals, Technical & Administrative staff. For the past eighteen years, OCE has successfully undertaken the design and supervision of a large number of distinguished master planning, architectural and engineering projects and has developed in the process tremendous experience in conceptual design, engineering and supervision that enabling it to participate in many local and international competitions.