Corporate membership shall be limited to incorporated companies/firms practicing in relevant surveying disciplines approved through the ISU Council. These should be practicing in accepted surveying disciplines/practices and at all time such companies/firms shall have at least one of their directors registered (through the ISU Council and the Surveyors’ Registration Board) as a member for each and every one of the approved surveying discipline/practices in the company/firm. Estate Agency Practice, Building Maintenance Surveying, Land Management Surveying and any other disciplines to be approved in future by Council shall fall in this category of membership.