Professional Designations SIOR   The Society of Industrial and Office REALTORS® (SIOR) is the leading professional commercial and industrial real estate association. With more than 2,200 members in 450 cities in 20 countries, the Society represents today's most knowledgeable, experienced, and successful commercial real estate brokerage specialists.   CCIM   A Certified Commercial Investment Member (CCIM) is a recognized professional in commercial real estate brokerage, leasing, asset management, valuation, and investment analysis. As an experienced expert, a CCIM is an invaluable resource to the commercial real estate owner, investor, and user.   CPM   The Certified Property Manager (CPM) designation is the industry’s premier real estate management credential. Research shows that investors and owners prefer the CPM designation over many others. Over 8,800 Real Estate Professionals have the CPM designation.   CLS   The Certified Leasing Specialists (CLS) is a profressional designation offered through the International Council of Shopping Centers (ICSC).   ICSC   The International Council of Shopping Centers (ICSC) consists of over 40,000 developers, managers, retail executives, lenders, marketing personnel, architects, designers and public and academic officials in 80 countries.   BOMA   The Building Owners and Managers Association (BOMA) is a national organization with thousands of professionals in the highrise/office building industry.