National Association of Industrial and Office Properties (NAIOP)

Trade association for developers, owners and investors in industrial, office and related commercial real estate.
http://www.naiop.org/

Institute of Real Estate Management (IREM)

Provides training, information, research, analysis and advice for professionals managing all types of income-producing properties.
http://www.irem.org

BOMA International

Network of over commercial real estate professionals.
http://www.boma.org

Society of Industrial and Office Realtors (SIOR)

Commercial and association with members worldwide. Affiliate of the National Association of Realtors (NAR).
http://www.sior.com/

Minnesota Association of Commercial Realtors

Property tracking system offering listings and searches for commercial, retail, industrial, and other real estate.
http://www.ocr.org

Network of Commercial Real Estate Women

Information from this association of commercial real estate professionals located nationwide and in Toronto, Canada.
http://www.crewnetwork.org

Council of International Restaurant Real Estate Brokers (CIRB)

International network of independent real estate brokers who specialize in restaurant and related real estate. Features services, newsletter, property listings, and membership.
http://www.cirb.net/

South African Property Owners Association (SAPOA)

Representative body and official voice of the commercial and industrial property industry in South Africa. Features news, publications, events, education, and memberhship.
http://www.sapoa.org.za

The Coalition of Commercial Real Estate Associations

Coalition of 19 Local chapters of national commercial real estate associations and professional organizations in pennsylvania and Delaware.
http://www.ccrea.org