http://www.apartmentsales.com/
Providing real estate brokers, investors, owners, buyers and apartment service providers a website, through which they can promote their listings and services. 

http://www.mmreibc.com
The largest investment real estate brokerage firm in the United States with offices in 33 cities. We represent owners in the acquisition & disposition of income producing property including offices, apartments, retail & industrial  properties, hotels, manufactured housing communities, single-tenant & net leased properties.

http://www.michaelfox.com
Specializing in industrial machinery and equipment within a wide range of industries, as well as all types of real estate with a concentration in commercial and industrial property.

http://www.appraisalinstitute.org
Educating real estate appraisers for over 60 years, the Appraisal Institute is the acknowledged leader in residential and commercial appraisal education, research, publishing, and professional membership designation programs.

http://www.naiop.org/
Founded in 1967, NAIOP is a trade association with over 8,000 members who are developers, owners, investors and related professionals in industrial and office real estate.