Affordable Housing Tax Credit Coalition
   Non-profit organization of low income housing tax credit program housing providers.
   http://www.taxcreditcoalition.org

American Association of Small Property Owners
   Association of small landlords, property owners and investors for sharing public policy information and strategies.
   http://www.aaspo.org/

American Escrow Association
   National Trade Association of settlement and escrow industry professionals.
   http://www.a-e-a.org/

American Investors in Real Estate Online
   Organization for learning and sharing successful real estate investment techniques.
   http://aireo.com/

ApartmentAssociation.com
   A directory of state and local apartment associations throughout the U.S.
   http://www.apartmentassociation.com

CREW Network
   A national association of women in the commercial real estate industry.
   http://www.crewnetwork.org/

Certified International Property Specialist Network
   A specialty membership group of the National Association of Realtors.
   http://cipsnetwork.com

Council of Residential Specialists
   Association of Realtors providing training for the Certified Residential Specialist (CRS) designation.
   http://www.crs.com

European Real Estate Association
   Trade association of European real estate companies.
   http://www.epra.com/

Incorporated Society of Estate Agents
   A british organization for persons practicing estate agency.
   http://website.lineone.net/~eggbram/index.htm

Institute for Responsible Housing Preservation
   Association of HUD section 221(D)(3) and Section 236 owners and managers.
   http://www.housingpreservation.org

International Association of Assessing Officers
   Association of professionals in property assessment and taxation.
   http://www.iaao.org/

International Right of Way Association
   Association of individuals in various professions engaged in right of way activities.
   http://www.irwaonline.org

International Union of Property Owners
   Defends property rights worldwide, with members from more than 20 European countries, established in 1923. Includes bylaws, details on initiatives, related links, and history of the group.
   http://www.uipi.com/

NSW Federation of Housing Associations
   Association of community housing providers, management workers, volunteers and tenants in New South Wales, Australia.
   http://www.communityhousing.org.au/nswfha

National Apartment Association
   A national federation of state and local apartment associations.
   http://www.naahq.org/

National Association of Hispanic Real Estate Professionals
   Non-profit association of Hispanic-American real estate professionals.
   http://www.nahrep.org

National Association of Housing Redevelopment Officials
   Association of professionals in affordable housing and community redevelopment.
   http://www.nahro.org/

National Association of Professional Mortgage Women
   Women and men in the mortgage lending industry.
   http://www.napmw.org

National Association of Real Estate Investment Trusts
   A national trade association of real estate investment trusts.
   http://www.nareit.com/

National Council of Exchangors
   National non-profit association of real estate agents specializing in 1031 tax deferred exchanges.
   http://www.nce1031.net

National Council of Real Estate Investment Fiduciaries
   Association of institutional real estate professionals.
   http://www.ncreif.com/

National Multi Housing Council
   A trade association representing apartment owners, managers, developers, lenders, and service providers.
   http://www.nmhc.org

Real Estate Institute of Canada
   Association for promoting high standards of practice through education, certification and accreditation.
   http://www.reic.ca

Realtors Land Institute (RLI)
   Organization of professionals specializing in land brokerage.
   http://www.rliland.com/

SAVA
   The Surveyers and Valuers Association sets surveying standards for the Royal Institution of Chartered Surveyors.
   http://www.sava.org.uk

The Association of Interim Housing Providers
   A trade association for temporary housing providers.
   http://test.neton-line.com/aihp/

The Community Associations Institute
   An association of condominium, cooperative and homeowner associations.
   http://www.caionline.org/

The Small Landlords Association
   A British association for private residential landlords.
   http://www.landlords.org.uk