http://www.loopnet.com
2. Storetrax.com
http://www.storetrax.com
3. RealEstateJournal
http://www.realestatejournal.com
4. CCIM
http://www.ccim.com
5. COMMREX
http://www.commrex.com
6. CommercialSource.com
http://www.commercialsource.com
7. MrOfficeSpace.com
http://www.mrofficespace.com
8. Cityfeet.com
http://www.cityfeet.com
9. The CORE Network
http://www.corenetwork.org
10. Property Line
http://www.propertyline.com