Emporis
- Offers databases on buildings worldwide. Features world map, building statistics and diagrams, news, images, company services and profile.
- http://www.emporis.com

NAI Direct
- Online platform for requesting and receiving a services, research, and reports, which support the real estate decision-making and management process.
- http://www.naiweb.com/

Vandema
- Portal to Commercial real estate statistics and directories.
- http://vandema.com/

Office Space Market Information from OfficeFinder.
- Office space market information from OfficeFinder - a network of office tenant representatives.
- http://www.officefinder.com/information.html

Torto Wheaton Research
- The research subsidiary of CB Richard Ellis Commercial provides limited free reports. Their focus is on commercial real estate forecasting, analysis, and research
- http://www.tortowheatonresearch.com/

REJournals.com
- News and information source for commercial real estate news and information in Minnesota, Illinois and Michigan.
- http://www.rejournals.com

Datscha.com
- Provides general information on property market and a system for analysis and valuation of properties.
- http://www.datscha.com

REIS Commercial Space Market Info
- A resource of commercial real estate trends, analytics, market research and news. Free market information for 82 markets. Comprehensive reports available for a fee.
- http://www.reis.com/

Market Data by US City
- GlobeSt.com provides in-depth and breaking commercial real estate news around the clock in major and secondary markets throughout the country
- http://www.globest.com/