The International Real Estate Federation (FIABCI)
- Consortium of brokerages and property professionals across more than 40 countries. Features the organization's overview, events, awards and publications. Headquarters in Paris.
- http://www.fiabci.org

Asian Real Estate Association of America
- National professional trade organization; find out about membership and events.
- http://www.areaa.org/

National Association of Real Estate Brokers
- Trade organization focusing on minority groups in the realty profession. Features mission, searchable member database, events, affiliates.
- http://www.nareb.com

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/

National Landlords Association
- Represents the interest of private residential landlords. Includes member benefits, newsletters, and factsheets. UK.
- http://www.landlords.org.uk/

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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