6. Boston Properties
| Address | 800 Boylston St. |
| City | Boston |
| State | MA |
| Zip | 2199 |
| Phone | 617.236.3300 |
| Website | www.bostonproperties.com |
| Officers | Mortimer B. Zuckerman, Executive Chairman; Owen D. Thomas, CEO & Director; Douglas T. Linde, President & Director |
| Office Portfolio | 40,486,429 |
| Current Development Portfolio | 3,291,500 |
| Current Redevelopment Portfolio | |
| Current Renovation Portfolio | |
| Current Expansion Portfolio | |
| Current Development Projects | |
| Current Redevelopment Projects | |
| Current Renovation Projects | |
| Current Expansions |