Otaishan Consulting Engineers (OCE) is a multi-disciplinary firm of professional Architects, Planners and Engineers which was founded in 1991. OCE is considered today one of the leading Consulting Engineering Firms in the Kingdom of Saudi Arabia, the Gulf Countries and the Middle East. 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.Understanding the need for specialized professional services, OCE house under one roof specialized departments offering Architectural and Engineering Design, Project Management, Interior Design, Construction Management, Environmental, Traffic Studies, Geographic Information System (GIS), Value Engineering and Arbitration Services.