12. Brandwine Realty Trust
| Address | 555 E. Lancaster Ave. |
| City | Radnor |
| State | PA |
| Zip | 19087 |
| Website | www.brandywinerealty.com |
| Phone | 610.325.5600 |
| Officers | Gerard H. Sweeney, President, CEO & Trustee; Michael J. Cooper, SVP & Sr. Managing Director, H. Jeffrey DeVuono, EVP & Sr. Managing Director |
| Office Space Owned | 24,800,000 |