American Industrial Real Estate Association (AIR) -- A non-profit corporation formed to foster knowledge, integrity and efficiency in the field of industrial and commercial real estate brokerage. More than 1,000 real estate professionals in over 250 firms located in the eight-county southern California area actively participate.

American Real Estate Society (ARES) -- Society for high-level practicing professionals and real estate professors at colleges and universities throughout the United States and the world. The Society publishes the Journal of Real Estate Research, the Journal of Real Estate Literature, the Journal of Real Estate Portfolio Management, the Journal of Real Estate Practice and Education, the Real Estate Research Issues monograph series, the ARES Newsletter and the ARES Annual Meeting Program.

American Real Estate & Urban Economics Association (AREUEA) -- Originating in 1964, the non-profit AREUEA facilitates the exchange of information and opinions among academic, professional and governmental people who are concerned with urban economics and real estate issues.

Appraisal Institute -- The acknowledged leader in residential and commercial appraisal education, research, publishing, and professional membership designation programs, with over 12,000 members and 130 chapters across the country.

Building Owners and Managers Association (BOMA) International -- An international federation with 95 North American local associations representing over 6 billion square feet of North American office space. Provides networking and educational opportunities, marketplace research data and advance information about industry changes. The leading voice for building owners and managers before Congress and the federal government.

Certified Commercial Investment Member (CCIM) -- A recognized professional in commercial real estate brokerage, leasing, asset management, valuation, and investment analysis. Only about 5,000 commercial real estate professionals hold the CCIM designation, which requires a 240-hour graduate level curriculum set by the CIREI (see Commercial Investment Real Estate Institute).

Commercial Investment Real Estate Institute (CIREI) -- Through its education program, the CIREI has been conferring the CCIM (see Certified Commercial Investment Member) designation since 1969. With its association with the National Association of Realtors (NAR) and other organizations, client properties can be marketed to investors in 52 countries around the world.

Council of Logistics Management (CLM) -- A not-for-profit professional association providing worldwide leadership for the evolving logistics profession through the development, dissemination, and advancement of logistics knowledge.

Counselors of Real Estate (CRE) -- An international group of seasoned real estate practitioners who provide advisory services to clients on property and land-related matters. Membership consists of asset managers, appraisers, economists, academics, mortgage bankers, property managers, members of accounting and management firms, and realtors.

Employee Relocation Council (ERC) -- Professional membership organization providing information on corporate relocation worldwide. Members are corporations, real estate brokers and appraisers, and relocation service providers.

Houston Association of Realtors

Institute of Real Estate Management (IREM) -- Serves the needs of all real estate management professionals - managers of apartments and office buildings, asset managers, property supervisors and management company owners.

International Association of Corporate Real Estate Executives (NACORE) -- A professional association that represents more than 3,500 executives who manage corporate real estate assets (office, industrial, or retail facilities) for companies whose primary business is not real estate. Founded in 1969, NACORE has 40 chapters internationally and is the largest association serving corporate real estate executives.

International Council of Shopping Centers (ICSC) -- Shopping center and retailing information, with leasing opportunities and economic trends.

International Development Research Council (IDRC) -- Founded in 1961, IDRC has expanded from a core group of corporate real estate executives, economic development agencies and service providers to a diverse, global membership base reflecting the transformation of corporate real estate from a transactional to a strategic management element.

International Facility Management Association (IFMA) -- A not-for-profit, incorporated association dedicated to promoting excellence in workplace management procedures and in the integration of people, place and process to advance organizational goals.

International Hotel & Restaurant Association (IH&RA) -- Global network for the hotel and restaurant industry, representing more than 300,000 establishments in over 150 countries.

International Real Estate Association (FIABCI) -- Operates chapters in over 50 member countries, embracing more than 100 different national associations and their individual members. An organization linking thousands of real estate professionals worldwide.

International Real Estate Association - United States (FIABCI-USA) -- The only international real estate organization representing the entire spectrum of the real estate industry in the U.S, and providing access to real estate opportunities in 55 different countries around the world.

International Real Estate Institute (IREI) -- The largest international real estate association in the world, with members in over 100 nations. The IREI provides professional recognition and a method to easily network with real estate professionals internationally and domestically. The International Property Report gives inside information on valuation, development, government regulations, investment trends, outlooks for the international property market and other topics of special interest.

National Association of Industrial and Office Properties (NAIOP) -- The national trade association for developers, owners, investors and asset managers of commercial real estate in the United States and Canada.

National Association of Real Estate Appraisers (NAREA) -- A professional organization founded in 1966, making available highly qualified real estate appraisers to those requiring Professional Appraisal Reports.

National Association of Real Estate Editors (NAREE) -- The only professional organization for real estate journalists -- writers, editors, and columnists -- from print, electronic and broadcast media, as well as communications professionals that represent firms or organizations in the real estate industry.

National Association of Real Estate Investment Trusts (NAREIT) -- The trade association of the real estate investment trust (REIT) industry, composed of two thousand individuals and organizations. NAREIT supports the legislative, capital and educational needs of the REIT industry by lobbying Congress, working with the IRS and the SEC, and promoting the REIT investment vehicle among institutions and individuals alike.

National Council of Real Estate Investment Fiduciaries (NCREIF) -- An association of institutional real estate professionals who have a significant involvement in pension fund real estate investments. A joint venture with the Frank Russell Company provides NCREIF with the means for the collection, verification and publication of the Russell-NCREIF Property Index, based on a database of property operating information supplied by members.

National Association of Realtors (NAR) -- Founded in 1908, NAR is now composed of 720,000 residential and commercial brokers, salespeople, property managers, appraisers, conselors, and others.  Members belong to one or more of some 1,700 local associations / boards and 54 state and territory associations.

Real Estate Educators Association (REEA) -- Association for real estate educators and a national online clearing house for real estate education materials.

Realtors Land Institute (RLI) -- The only branch of the National Association of REALTORS® family focused on land brokerage transactions of farms and ranches, undeveloped tracts of land, transitional and development land, subdivision and wholesaling of lots, and site selection and assemblage of land parcels. Its individual members frequently engage in other land specialties such as agribusiness, appraisal, consulting and management.

Society of Industrial and Office Realtors (SIOR) -- The leading professional commercial and industrial real estate association, with 1,900 members in 350 cities worldwide. The Society certifies its members with the SIOR designation, a professional symbol of the highest level of knowledge, production, and ethics in the real estate industry.

Urban Land Institute (ULI) -- A nonprofit, nonpartisan research and education institute with 13,000 members and associates from 50 countries representing the entire spectrum of the land use and development disciplines: developers, builders, property owners, investors, architects, public officials, planners, real estate brokers, appraisers, attorneys, engineers, financiers, academics, students, and librarians.

Women in Real Estate (WIRE) -- An informal organization of women from all aspects of the real estate industry.

Institutes and Foundations:

Homer Hoyt Institute -- An independent, non-profit research and educational foundation established in 1968, dedicated to improving the quality of public and private real estate decisions by expanding and disseminating the real estate body of knowledge, stimulating innovation in the discipline of real estate and land economics, building bridges among academia, industry, and government, and developing innovative approaches to the solution of real estate problems.