20. Corporate Offices Properties Trust
| Address | 6711 Columbia Gateway Dr., Ste. 300 |
| City | Columbia |
| State | MD |
| Zip | 21046 |
| Website | www.copt.com |
| Phone | 443.285.5400 |
| Officers | Roger A. Waesche, President & CEO; Stephen E. Budorick, EVP & COO, Wayne H. Lingafelter, President - COPT Development & Construction Services |
| Office Space Owned | 17,369,767 |