29. Boston Properties
| Address | 800 Boylston St. |
| City | Boston |
| State | MA |
| Zip | 02199 |
| Web Site | www.bostonproperties.com |
| Phone | 617.236.3300 |
| Officers | Mortimer B. Zuckerman, Executive Chairman; Owen D. Thomas, CEO & Director; Douglas T. Linde, President & Director |
| Third-Party Space Managed | |
| Owned Spaced Managed | |
| Total Space Managed | 57,437,426 |