http://www.grubb-ellis.com
2. Colliers
http://www.colliers.com
3. Coldwell Banker Commercial
http://www.coldwellbankercommercial.com
4. CB Richard Ellis
http://www.cbrichardellis.com
5. Insignia / ESG
http://www.insigniaesg.com
6. Cushman & Wakefield
http://www.cushwake.com
7. Trammell Crow
http://www.trammellcrow.com
8. Marcus & Millichap
http://www.mmreibc.com
9. The Prudential
http://www.prudential.com
10. Cornish & Carey
http://www.ccarey.com