Mansur and Company
- Commercial real estate investment, development, and management. Features company profile, investment services and philosophy, and properties.
- http://www.mansurco.com/

Prime Group Realty Trust
- Owns, manages, leases, develops and redevelops office and industrial properties nationwide. Properties listing, corporate profile, investor relations and careers. (NYSE: PGE)
- http://www.pgrt.com/

General Growth Properties
- A self-administered firm specializing in regional malls. Internships, news, history, and searchable mall directory. (NYSE: GGP)
- http://www.generalgrowth.com/

First Industrial Realty Trust Inc.
- Corporate headquarters for this nationwide firm. Investor relations, corporate services, community support and careers. (NYSE:FR)
- http://www.firstindustrial.com/

Equity Office Properties Trust
- Corporate headquarters. Offers nationwide office property search engine, careers and investor relations. (NYSE:EOP)
- http://www.equityoffice.com/

Manufactured Home Communities, Inc.
- Owns and operates site-set home communities in the United States. Community listings, investor relations, and careers are featured. (NYSE: MHC)
- http://www.mhchomes.com/

Horizon Group Properties
- A self-administered and self-managed firm. Includes client portfolio, company overview and contacts.
- http://www.horizongroup.com/

Equity Residential Properties Trust
- Headquarters for a self-administered REIT of apartments and corporate housing nationwide. Locations, services, careers and investor relations are featured. (NYSE: EQR)
- http://www.equityapartments.com/