5. SL Green Realty
| Address | 420 Lexington Ave. Ste. 1800 |
| City | New York |
| State | NY |
| Zip | 10170 |
| Website | www.slgreen.com |
| Phone | 212.594.2700 |
| Officers | Stephen L. Green, Chairman; Marc Holliday, CEO; Andrew Mathias, President; James Mead, CFO |
| Office Space Developed | 3,230,791 |